🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 173 (from laksa079)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa173.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.gov.uk/government/publications/fire-safety-approved-document-b\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.gov.uk/government/publications/fire-safety-approved-document-b\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.gov.uk\/government\/publications\/fire-safety-approved-document-b","crawl_time":1775247451,"first_indexed_time":1441819781,"http_code":200,"src_unparsed":"uk,gov,www!\/government\/publications\/fire-safety-approved-document-b s443","src_root_hash":"12544360876807614373","history_drop_reason":null,"meta_title":"Fire safety: Approved Document B - GOV.UK","meta_descriptions":["Building regulation in England covering fire safety matters within and around buildings."],"attrs_boilerpipe_text":"Documents\nDetails\nSince April 2023, the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep under review the safety and standards of all buildings in England, which includes advising government on updates to the Approved Documents.\nBuilding regulations for fire safety in residential homes, including new and existing dwellings, flats, residential accommodation, schools, colleges and offices.\nUpdates of Approved Document B (Fire Safety) for 2025, 2026 and 2029\nUpdates to Approved Document B make provision for sprinklers in all new care homes and withdraw national classes (BS 476 fire tests).\nThese policy updates flow from the ‘\nSprinklers in care homes; removal of national classes; and second staircases in residential buildings\n’ consultation that ran from December 2022 to March 2023.\nProvision is made for sprinklers to be installed in new care homes.\nWithdrawal of the outdated national classes fire testing standards is concluded, ending a long period of dual specification. The more robust European standard (BS EN 13501) remains in place.\nTransition periods for both policy updates will offer certainty to investors and enable smooth transition without disrupting supply chains.\nFind historical documents relating to Approved Document B: Fire Safety\n.\nOrder printed copies\nOnline:\nRIBA books\nTelephone: 020 7496 8383\nEmail:\nsales@ribabookshops.com\nPublished 7 December 2010\nLast updated 11 March 2025\nshow all updates\n11 March 2025\nAdded Approved Document B (fire safety) volume 1 & 2: 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments.\n2 March 2025\nReplaced Approved Document B vols.1 and 2 (2019 ed. incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments) to make corrections.\n14 January 2025\nAdded Approved Document B (fire safety) volume 1: Dwellings, and volume 2: Buildings other than dwellings - both 2019 edition incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments.\n2 September 2024\nAdded updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029.\n29 March 2024\nAdded March 2024 amendments to Approved Document B, volume 1 and volume 2.\n1 December 2022\nAdded: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 and 2022 amendments; and\r\nApproved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 and 2022 amendments.\n23 August 2022\nAdded link to Approved Document B: Fire safety - frequently asked questions\n1 June 2022\nAdded June 2022 amendments to Approved Document B, Volume 1 and Volume 2.\n26 November 2020\nAdded: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 amendments; and  \r\nApproved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 amendments\n26 May 2020\nAdded May 2020 amendments to Approved Document B, Volume 1 and Volume 2.\n8 April 2020\nAdded a link to Technical review of Approved Document B workplan.\n19 September 2019\nReplaced:\r\nApproved Document B (fire safety) volume 1: Dwellings, 2019 edition; and\r\nApproved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition\n11 September 2019\nThe department has become aware of a potential error in Approved Document B volume 1 2019 edition which details the provision of dampers fitted to the vents of smoke shafts. The department is investigating with industry experts the use of the defined term “fire and smoke dampers” in paragraph 3.51 iii. \r\n\r\nIn addition to this, the guidance in relation to double-skinned insulated roof sheeting will be updated. Diagram 5.2a (volume 1) diagram 8.2a (volume 2) with the associated text in paragraph 5.14 (volume 1) and 8.28 (volume 2) will be updated to remove “with a thermoplastic core”. This brings the text in line with the previous edition of ADB and ensures there is no technical change to the new clarified document. \r\n\r\nBoth volumes of Approved Document B have been removed from sale and from GOV.UK. The potential future corrections will be limited to the paragraphs and diagrams referenced above only.\n5 July 2019\nAdded:\r\n'Approved Document B (fire safety) volume 1: Dwellings, 2019 edition' and\r\n'Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition'.\n16 April 2019\nAdded November 2018 to April 2019 amendments to Approved Document B, Volume 1 and Volume 2.\n18 December 2018\nAdded 2018 amendments to Approved Document B (fire safety) volume 1 and volume 2.\n29 November 2018\nAdded 2018 amendment to Approved Document B (fire safety) volume 2: buildings other than dwellinghouses - amendments to statutory guidance covering fire safety matters within and around buildings in England.\n7 December 2010\nFirst published.","attrs_markdown":"## Cookies on GOV.UK\nWe use some essential cookies to make this website work.\n\nWe’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.\n\nWe also use cookies set by other sites to help us deliver content from their services.\n\nYou have accepted additional cookies. You can [change your cookie settings](https:\/\/www.gov.uk\/help\/cookies) at any time.\n\nYou have rejected additional cookies. 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[Home](https:\/\/www.gov.uk\/)\n2. [Housing, local and community](https:\/\/www.gov.uk\/housing-local-and-community)\n3. [Planning and building](https:\/\/www.gov.uk\/housing-local-and-community\/planning-and-building)\n4. [Building regulation](https:\/\/www.gov.uk\/housing-local-and-community\/building-regulation)\n\nStatutory guidance\n\n# Fire safety: Approved Document B\n\nBuilding regulation in England covering fire safety matters within and around buildings.\n\nFrom:\n\n[Ministry of Housing, Communities and Local Government](https:\/\/www.gov.uk\/government\/organisations\/ministry-of-housing-communities-local-government), [Department for Levelling Up, Housing and Communities](https:\/\/www.gov.uk\/government\/organisations\/department-for-levelling-up-housing-and-communities)  and [Ministry of Housing, Communities & Local Government (2018 to 2021)](https:\/\/www.gov.uk\/government\/organisations\/ministry-of-housing-communities-and-local-government-2018-2021)\n\nPublished\n\n7 December 2010\n\nLast updated\n\n11 March 2025 —  [See all updates](https:\/\/www.gov.uk\/government\/publications\/fire-safety-approved-document-b#full-publication-update-history)\n\n## Applies to England\n## Documents\n### [Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments](https:\/\/assets.publishing.service.gov.uk\/media\/67d2bb074702aacd2251cb94\/Approved_Document_B_volume_1_Dwellings_2019_edition_incorporating_2020_2022_and_2025_amendments_collated_with_2026_and_2029_amendments.pdf)\nPDF, 7\\.37 MB, 206 pages\n\nThis file may not be suitable for users of assistive technology.\n\nRequest an accessible format.\n\nIf you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use.\n\n### [Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments](https:\/\/assets.publishing.service.gov.uk\/media\/67d17064a005e6f9841a1d50\/Approved_Document_B_volume_2_Buildings_other_than_Dwellings_2019_edition_incorporating_2020_2022_and_2025_amendments_collated_with_2026_and_2029_amendments.pdf)\nPDF, 3\\.36 MB, 226 pages\n\nThis file may not be suitable for users of assistive technology.\n\nRequest an accessible format.\n\nIf you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use.\n\n### [Approved Document B: Fire safety - frequently asked questions](https:\/\/www.gov.uk\/guidance\/approved-document-b-fire-safety-frequently-asked-questions)\nhttps:\/\/www.gov.uk\/guidance\/approved-document-b-fire-safety-frequently-asked-questions\n\n### [2029 amendments to Approved Document B, volume 1 and volume 2](https:\/\/assets.publishing.service.gov.uk\/media\/66d57aaabdecebe01a18341b\/AD_B_2029_amendments.pdf)\nPDF, 455 KB, 40 pages\n\n### [2026 amendments to Approved Document B, volume 1 and volume 2](https:\/\/assets.publishing.service.gov.uk\/media\/66d57a94d107658faec7e448\/AD_B_2026_amendments.pdf)\nPDF, 246 KB, 13 pages\n\nThis file may not be suitable for users of assistive technology.\n\nRequest an accessible format.\n\nIf you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use.\n\n### [2025 amendments to Approved Document B, volume 1 and volume 2](https:\/\/assets.publishing.service.gov.uk\/media\/67c1ac3d16dc9038974dbcfe\/2025_Amendments_to_Approved_Document_B_volume_1_and_volume_2.pdf)\nPDF, 248 KB, 22 pages\n\n### [March 2024 amendments to Approved Document B, volume 1 and volume 2 (No longer current)](https:\/\/assets.publishing.service.gov.uk\/media\/66054cc0f9ab41001aeea490\/AD_B_amendment_booklet.pdf)\nPDF, 252 KB, 13 pages\n\nThis file may not be suitable for users of assistive technology.\n\nRequest an accessible format.\n\nIf you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use.\n\n### [June 2022 amendments to Approved Document B, volume 1 and volume 2](https:\/\/assets.publishing.service.gov.uk\/media\/62964fac8fa8f5039927d15b\/ADB_amendment_booklet_June_2022.pdf)\nPDF, 1\\.06 MB, 54 pages\n\nThis file may not be suitable for users of assistive technology.\n\nRequest an accessible format.\n\nIf you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use.\n\n### [May 2020 amendments to Approved Document B, volume 1 and volume 2](https:\/\/assets.publishing.service.gov.uk\/media\/5ec7f1c086650c76ab17fc0c\/AD_B_2019_edition__May2020_amendments.pdf)\nPDF, 172 KB, 12 pages\n\nThis file may not be suitable for users of assistive technology.\n\nRequest an accessible format.\n\nIf you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use.\n\n## Details\nSince April 2023, the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep under review the safety and standards of all buildings in England, which includes advising government on updates to the Approved Documents.\n\nBuilding regulations for fire safety in residential homes, including new and existing dwellings, flats, residential accommodation, schools, colleges and offices.\n\n## Updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029\nUpdates to Approved Document B make provision for sprinklers in all new care homes and withdraw national classes (BS 476 fire tests).\n\nThese policy updates flow from the ‘[Sprinklers in care homes; removal of national classes; and second staircases in residential buildings](https:\/\/www.gov.uk\/government\/consultations\/sprinklers-in-care-homes-removal-of-national-classes-and-staircases-in-residential-buildings)’ consultation that ran from December 2022 to March 2023.\n\nProvision is made for sprinklers to be installed in new care homes.\n\nWithdrawal of the outdated national classes fire testing standards is concluded, ending a long period of dual specification. The more robust European standard (BS EN 13501) remains in place.\n\nTransition periods for both policy updates will offer certainty to investors and enable smooth transition without disrupting supply chains.\n\nOn 2 April 2020, as a response to the call for evidence: [a technical review of Approved Document B of the building regulations](https:\/\/www.gov.uk\/government\/consultations\/technical-review-of-approved-document-b-of-the-building-regulations-a-call-for-evidence), a [workplan](https:\/\/assets.publishing.service.gov.uk\/government\/uploads\/system\/uploads\/attachment_data\/file\/877365\/Technical_review_of_Approved_Document_B_workplan.pdf) was released showing upcoming research to inform updates to fire safety guidance provided in Approved Document B.\n\nThe announcement of the new clarified Approved Document B is provided in the [Circular](https:\/\/www.gov.uk\/government\/publications\/approved-document-b-july-2019-edition-circular-022019). A [government response to the consultation](https:\/\/www.gov.uk\/government\/consultations\/fire-safety-clarification-of-statutory-guidance-approved-document-b) has been published.\n\nWe have also published frequently asked questions following the ban on combustible materials in external walls: [Building (Amendment) Regulations 2018: frequently asked questions](https:\/\/www.gov.uk\/government\/publications\/building-amendment-regulations-2018-frequently-asked-questions)\n\n[Find historical documents relating to Approved Document B: Fire Safety](https:\/\/www.gov.uk\/government\/publications\/historical-documents-relating-to-approved-document-b-fire-safety).\n\n**Order printed copies**\n\nOnline: [RIBA books](https:\/\/www.ribabooks.com\/approved-documents)  \n Telephone: 020 7496 8383  \n Email: [sales@ribabookshops.com](mailto:sales@ribabookshops.com)\n\n## Updates to this page\nPublished 7 December 2010\n\nLast updated 11 March 2025 [\\+ show all updates](https:\/\/www.gov.uk\/government\/publications\/fire-safety-approved-document-b#full-history)\n\n1. 11 March 2025\n   Added Approved Document B (fire safety) volume 1 & 2: 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments.\n2. 2 March 2025\n   Replaced Approved Document B vols.1 and 2 (2019 ed. incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments) to make corrections.\n3. 14 January 2025\n   Added Approved Document B (fire safety) volume 1: Dwellings, and volume 2: Buildings other than dwellings - both 2019 edition incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments.\n4. 2 September 2024\n   Added updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029.\n5. 29 March 2024\n   Added March 2024 amendments to Approved Document B, volume 1 and volume 2.\n6. 1 December 2022\n   Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 and 2022 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 and 2022 amendments.\n7. 23 August 2022\n   Added link to Approved Document B: Fire safety - frequently asked questions\n8. 1 June 2022\n   Added June 2022 amendments to Approved Document B, Volume 1 and Volume 2.\n9. 26 November 2020\n   Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 amendments\n10. 26 May 2020\n    Added May 2020 amendments to Approved Document B, Volume 1 and Volume 2.\n11. 8 April 2020\n    Added a link to Technical review of Approved Document B workplan.\n12. 19 September 2019\n    Replaced: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition\n13. 11 September 2019\n    The department has become aware of a potential error in Approved Document B volume 1 2019 edition which details the provision of dampers fitted to the vents of smoke shafts. The department is investigating with industry experts the use of the defined term “fire and smoke dampers” in paragraph 3.51 iii. In addition to this, the guidance in relation to double-skinned insulated roof sheeting will be updated. Diagram 5.2a (volume 1) diagram 8.2a (volume 2) with the associated text in paragraph 5.14 (volume 1) and 8.28 (volume 2) will be updated to remove “with a thermoplastic core”. This brings the text in line with the previous edition of ADB and ensures there is no technical change to the new clarified document. Both volumes of Approved Document B have been removed from sale and from GOV.UK. The potential future corrections will be limited to the paragraphs and diagrams referenced above only.\n14. 5 July 2019\n    Added: 'Approved Document B (fire safety) volume 1: Dwellings, 2019 edition' and 'Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition'.\n15. 16 April 2019\n    Added November 2018 to April 2019 amendments to Approved Document B, Volume 1 and Volume 2.\n16. 18 December 2018\n    Added 2018 amendments to Approved Document B (fire safety) volume 1 and volume 2.\n17. 29 November 2018\n    Added 2018 amendment to Approved Document B (fire safety) volume 2: buildings other than dwellinghouses - amendments to statutory guidance covering fire safety matters within and around buildings in England.\n18. 7 December 2010\n    First published.\n\n## Sign up for emails or print this page\nPrint this page\n\n## Related content\n### Collection\n- [Continuous review of Approved Document B](https:\/\/www.gov.uk\/government\/collections\/continuous-review-of-approved-document-b)\n- [Approved Documents](https:\/\/www.gov.uk\/government\/collections\/approved-documents)\n\n## Explore the topic\n- [Building regulation](https:\/\/www.gov.uk\/housing-local-and-community\/building-regulation)\n\n## Is this page useful?\n- [Maybe](https:\/\/www.gov.uk\/contact\/govuk)\n- Yes this page is useful\n- No this page is not useful\n\nThank you for your feedback\n\nReport a problem with this page\n\n## Help us improve GOV.UK\nTo help us improve GOV.UK, we’d like to know more about your visit today. [Please fill in this survey (opens in a new taband requires JavaScript)](https:\/\/www.smartsurvey.co.uk\/s\/gov-uk-banner\/?c=no-js).\n\nCancel\n\n## Services and information\n- [Benefits](https:\/\/www.gov.uk\/browse\/benefits)\n- [Births, death, marriages and care](https:\/\/www.gov.uk\/browse\/births-deaths-marriages)\n- [Business and self-employed](https:\/\/www.gov.uk\/browse\/business)\n- [Childcare and parenting](https:\/\/www.gov.uk\/browse\/childcare-parenting)\n- [Citizenship and living in the UK](https:\/\/www.gov.uk\/browse\/citizenship)\n- [Crime, justice and the law](https:\/\/www.gov.uk\/browse\/justice)\n- [Disabled people](https:\/\/www.gov.uk\/browse\/disabilities)\n- [Driving and transport](https:\/\/www.gov.uk\/browse\/driving)\n- [Education and learning](https:\/\/www.gov.uk\/browse\/education)\n- [Employing people](https:\/\/www.gov.uk\/browse\/employing-people)\n- [Environment and countryside](https:\/\/www.gov.uk\/browse\/environment-countryside)\n- [Housing and local services](https:\/\/www.gov.uk\/browse\/housing-local-services)\n- [Money and tax](https:\/\/www.gov.uk\/browse\/tax)\n- [Passports, travel and living abroad](https:\/\/www.gov.uk\/browse\/abroad)\n- [Visas and immigration](https:\/\/www.gov.uk\/browse\/visas-immigration)\n- [Working, jobs and pensions](https:\/\/www.gov.uk\/browse\/working)\n\n## Government activity\n- [Departments](https:\/\/www.gov.uk\/government\/organisations)\n- [News](https:\/\/www.gov.uk\/search\/news-and-communications)\n- [Guidance and regulation](https:\/\/www.gov.uk\/search\/guidance-and-regulation)\n- [Research and statistics](https:\/\/www.gov.uk\/search\/research-and-statistics)\n- [Policy papers and consultations](https:\/\/www.gov.uk\/search\/policy-papers-and-consultations)\n- [Transparency](https:\/\/www.gov.uk\/search\/transparency-and-freedom-of-information-releases)\n- [How government works](https:\/\/www.gov.uk\/government\/how-government-works)\n- [Get involved](https:\/\/www.gov.uk\/government\/get-involved)\n***\n## Support links\n- [Help](https:\/\/www.gov.uk\/help)\n- [Privacy](https:\/\/www.gov.uk\/help\/privacy-notice)\n- [Cookies](https:\/\/www.gov.uk\/help\/cookies)\n- [Accessibility statement](https:\/\/www.gov.uk\/help\/accessibility-statement)\n- [Contact](https:\/\/www.gov.uk\/contact)\n- [Terms and conditions](https:\/\/www.gov.uk\/help\/terms-conditions)\n- [Rhestr o Wasanaethau Cymraeg](https:\/\/www.gov.uk\/cymraeg)\n- [Government Digital Service](https:\/\/www.gov.uk\/government\/organisations\/government-digital-service)\n\nAll content is available under the [Open Government Licence v3.0](https:\/\/www.nationalarchives.gov.uk\/doc\/open-government-licence\/version\/3\/), except where otherwise stated\n\n[© Crown copyright](https:\/\/www.nationalarchives.gov.uk\/information-management\/re-using-public-sector-information\/uk-government-licensing-framework\/crown-copyright\/)","attrs_readable_markdown":"Documents\n\nDetails\n\nSince April 2023, the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep under review the safety and standards of all buildings in England, which includes advising government on updates to the Approved Documents.\n\nBuilding regulations for fire safety in residential homes, including new and existing dwellings, flats, residential accommodation, schools, colleges and offices.\n\n## Updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029\nUpdates to Approved Document B make provision for sprinklers in all new care homes and withdraw national classes (BS 476 fire tests).\n\nThese policy updates flow from the ‘[Sprinklers in care homes; removal of national classes; and second staircases in residential buildings](https:\/\/www.gov.uk\/government\/consultations\/sprinklers-in-care-homes-removal-of-national-classes-and-staircases-in-residential-buildings)’ consultation that ran from December 2022 to March 2023.\n\nProvision is made for sprinklers to be installed in new care homes.\n\nWithdrawal of the outdated national classes fire testing standards is concluded, ending a long period of dual specification. The more robust European standard (BS EN 13501) remains in place.\n\nTransition periods for both policy updates will offer certainty to investors and enable smooth transition without disrupting supply chains.\n\n[Find historical documents relating to Approved Document B: Fire Safety](https:\/\/www.gov.uk\/government\/publications\/historical-documents-relating-to-approved-document-b-fire-safety).\n\n**Order printed copies**\n\nOnline: [RIBA books](https:\/\/www.ribabooks.com\/approved-documents)  \n Telephone: 020 7496 8383  \n Email: [sales@ribabookshops.com](mailto:sales@ribabookshops.com)\n\nPublished 7 December 2010\n\nLast updated 11 March 2025 [show all updates](https:\/\/www.gov.uk\/government\/publications\/fire-safety-approved-document-b#full-history)\n\n1. 11 March 2025\n   Added Approved Document B (fire safety) volume 1 & 2: 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments.\n2. 2 March 2025\n   Replaced Approved Document B vols.1 and 2 (2019 ed. incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments) to make corrections.\n3. 14 January 2025\n   Added Approved Document B (fire safety) volume 1: Dwellings, and volume 2: Buildings other than dwellings - both 2019 edition incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments.\n4. 2 September 2024\n   Added updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029.\n5. 29 March 2024\n   Added March 2024 amendments to Approved Document B, volume 1 and volume 2.\n6. 1 December 2022\n   Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 and 2022 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 and 2022 amendments.\n7. 23 August 2022\n   Added link to Approved Document B: Fire safety - frequently asked questions\n8. 1 June 2022\n   Added June 2022 amendments to Approved Document B, Volume 1 and Volume 2.\n9. 26 November 2020\n   Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 amendments\n10. 26 May 2020\n    Added May 2020 amendments to Approved Document B, Volume 1 and Volume 2.\n11. 8 April 2020\n    Added a link to Technical review of Approved Document B workplan.\n12. 19 September 2019\n    Replaced: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition\n13. 11 September 2019\n    The department has become aware of a potential error in Approved Document B volume 1 2019 edition which details the provision of dampers fitted to the vents of smoke shafts. The department is investigating with industry experts the use of the defined term “fire and smoke dampers” in paragraph 3.51 iii. In addition to this, the guidance in relation to double-skinned insulated roof sheeting will be updated. Diagram 5.2a (volume 1) diagram 8.2a (volume 2) with the associated text in paragraph 5.14 (volume 1) and 8.28 (volume 2) will be updated to remove “with a thermoplastic core”. This brings the text in line with the previous edition of ADB and ensures there is no technical change to the new clarified document. Both volumes of Approved Document B have been removed from sale and from GOV.UK. The potential future corrections will be limited to the paragraphs and diagrams referenced above only.\n14. 5 July 2019\n    Added: 'Approved Document B (fire safety) volume 1: Dwellings, 2019 edition' and 'Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition'.\n15. 16 April 2019\n    Added November 2018 to April 2019 amendments to Approved Document B, Volume 1 and Volume 2.\n16. 18 December 2018\n    Added 2018 amendments to Approved Document B (fire safety) volume 1 and volume 2.\n17. 29 November 2018\n    Added 2018 amendment to Approved Document B (fire safety) volume 2: buildings other than dwellinghouses - amendments to statutory guidance covering fire safety matters within and around buildings in England.\n18. 7 December 2010\n    First published.","meta_canonical":null}

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Boilerpipe Text	Documents Details Since April 2023, the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep under review the safety and standards of all buildings in England, which includes advising government on updates to the Approved Documents. Building regulations for fire safety in residential homes, including new and existing dwellings, flats, residential accommodation, schools, colleges and offices. Updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029 Updates to Approved Document B make provision for sprinklers in all new care homes and withdraw national classes (BS 476 fire tests). These policy updates flow from the ‘ Sprinklers in care homes; removal of national classes; and second staircases in residential buildings ’ consultation that ran from December 2022 to March 2023. Provision is made for sprinklers to be installed in new care homes. Withdrawal of the outdated national classes fire testing standards is concluded, ending a long period of dual specification. The more robust European standard (BS EN 13501) remains in place. Transition periods for both policy updates will offer certainty to investors and enable smooth transition without disrupting supply chains. Find historical documents relating to Approved Document B: Fire Safety . Order printed copies Online: RIBA books Telephone: 020 7496 8383 Email: sales@ribabookshops.com Published 7 December 2010 Last updated 11 March 2025 show all updates 11 March 2025 Added Approved Document B (fire safety) volume 1 & 2: 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments. 2 March 2025 Replaced Approved Document B vols.1 and 2 (2019 ed. incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments) to make corrections. 14 January 2025 Added Approved Document B (fire safety) volume 1: Dwellings, and volume 2: Buildings other than dwellings - both 2019 edition incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments. 2 September 2024 Added updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029. 29 March 2024 Added March 2024 amendments to Approved Document B, volume 1 and volume 2. 1 December 2022 Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 and 2022 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 and 2022 amendments. 23 August 2022 Added link to Approved Document B: Fire safety - frequently asked questions 1 June 2022 Added June 2022 amendments to Approved Document B, Volume 1 and Volume 2. 26 November 2020 Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 amendments 26 May 2020 Added May 2020 amendments to Approved Document B, Volume 1 and Volume 2. 8 April 2020 Added a link to Technical review of Approved Document B workplan. 19 September 2019 Replaced: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition 11 September 2019 The department has become aware of a potential error in Approved Document B volume 1 2019 edition which details the provision of dampers fitted to the vents of smoke shafts. The department is investigating with industry experts the use of the defined term “fire and smoke dampers” in paragraph 3.51 iii. In addition to this, the guidance in relation to double-skinned insulated roof sheeting will be updated. Diagram 5.2a (volume 1) diagram 8.2a (volume 2) with the associated text in paragraph 5.14 (volume 1) and 8.28 (volume 2) will be updated to remove “with a thermoplastic core”. This brings the text in line with the previous edition of ADB and ensures there is no technical change to the new clarified document. Both volumes of Approved Document B have been removed from sale and from GOV.UK. The potential future corrections will be limited to the paragraphs and diagrams referenced above only. 5 July 2019 Added: 'Approved Document B (fire safety) volume 1: Dwellings, 2019 edition' and 'Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition'. 16 April 2019 Added November 2018 to April 2019 amendments to Approved Document B, Volume 1 and Volume 2. 18 December 2018 Added 2018 amendments to Approved Document B (fire safety) volume 1 and volume 2. 29 November 2018 Added 2018 amendment to Approved Document B (fire safety) volume 2: buildings other than dwellinghouses - amendments to statutory guidance covering fire safety matters within and around buildings in England. 7 December 2010 First published.
Markdown	## Cookies on GOV.UK We use some essential cookies to make this website work. We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services. We also use cookies set by other sites to help us deliver content from their services. You have accepted additional cookies. You can [change your cookie settings](https://www.gov.uk/help/cookies) at any time. You have rejected additional cookies. You can [change your cookie settings](https://www.gov.uk/help/cookies) at any time. Accept additional cookies Reject additional cookies [View cookies](https://www.gov.uk/help/cookies) Hide cookie message [Skip to main content](https://www.gov.uk/government/publications/fire-safety-approved-document-b#content) ## Navigation menu [Menu](https://www.gov.uk/browse) Menu ### Services and information - [Benefits](https://www.gov.uk/browse/benefits) - [Births, death, marriages and care](https://www.gov.uk/browse/births-deaths-marriages) - [Business and self-employed](https://www.gov.uk/browse/business) - [Childcare and parenting](https://www.gov.uk/browse/childcare-parenting) - [Citizenship and living in the UK](https://www.gov.uk/browse/citizenship) - [Crime, justice and the law](https://www.gov.uk/browse/justice) - [Disabled people](https://www.gov.uk/browse/disabilities) - [Driving and transport](https://www.gov.uk/browse/driving) - [Education and learning](https://www.gov.uk/browse/education) - [Employing people](https://www.gov.uk/browse/employing-people) - [Environment and countryside](https://www.gov.uk/browse/environment-countryside) - [Housing and local services](https://www.gov.uk/browse/housing-local-services) - [Money and tax](https://www.gov.uk/browse/tax) - [Passports, travel and living abroad](https://www.gov.uk/browse/abroad) - [Visas and immigration](https://www.gov.uk/browse/visas-immigration) - [Working, jobs and pensions](https://www.gov.uk/browse/working) ### Government activity - [Departments](https://www.gov.uk/government/organisations) Departments, agencies and public bodies - [News](https://www.gov.uk/search/news-and-communications) News stories, speeches, letters and notices - [Guidance and regulation](https://www.gov.uk/search/guidance-and-regulation) Detailed guidance, regulations and rules - [Research and statistics](https://www.gov.uk/search/research-and-statistics) Reports, analysis and official statistics - [Policy papers and consultations](https://www.gov.uk/search/policy-papers-and-consultations) Consultations and strategy - [Transparency](https://www.gov.uk/search/transparency-and-freedom-of-information-releases) Data, Freedom of Information releases and corporate reports Search GOV.UK × [Search GOV.UK](https://www.gov.uk/search) ### Search 1. [Home](https://www.gov.uk/) 2. [Housing, local and community](https://www.gov.uk/housing-local-and-community) 3. [Planning and building](https://www.gov.uk/housing-local-and-community/planning-and-building) 4. [Building regulation](https://www.gov.uk/housing-local-and-community/building-regulation) Statutory guidance # Fire safety: Approved Document B Building regulation in England covering fire safety matters within and around buildings. From: [Ministry of Housing, Communities and Local Government](https://www.gov.uk/government/organisations/ministry-of-housing-communities-local-government), [Department for Levelling Up, Housing and Communities](https://www.gov.uk/government/organisations/department-for-levelling-up-housing-and-communities) and [Ministry of Housing, Communities & Local Government (2018 to 2021)](https://www.gov.uk/government/organisations/ministry-of-housing-communities-and-local-government-2018-2021) Published 7 December 2010 Last updated 11 March 2025 — [See all updates](https://www.gov.uk/government/publications/fire-safety-approved-document-b#full-publication-update-history) ## Applies to England ## Documents ### [Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments](https://assets.publishing.service.gov.uk/media/67d2bb074702aacd2251cb94/Approved_Document_B_volume_1_Dwellings_2019_edition_incorporating_2020_2022_and_2025_amendments_collated_with_2026_and_2029_amendments.pdf) PDF, 7\.37 MB, 206 pages This file may not be suitable for users of assistive technology. Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use. ### [Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments](https://assets.publishing.service.gov.uk/media/67d17064a005e6f9841a1d50/Approved_Document_B_volume_2_Buildings_other_than_Dwellings_2019_edition_incorporating_2020_2022_and_2025_amendments_collated_with_2026_and_2029_amendments.pdf) PDF, 3\.36 MB, 226 pages This file may not be suitable for users of assistive technology. Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use. ### [Approved Document B: Fire safety - frequently asked questions](https://www.gov.uk/guidance/approved-document-b-fire-safety-frequently-asked-questions) https://www.gov.uk/guidance/approved-document-b-fire-safety-frequently-asked-questions ### [2029 amendments to Approved Document B, volume 1 and volume 2](https://assets.publishing.service.gov.uk/media/66d57aaabdecebe01a18341b/AD_B_2029_amendments.pdf) PDF, 455 KB, 40 pages ### [2026 amendments to Approved Document B, volume 1 and volume 2](https://assets.publishing.service.gov.uk/media/66d57a94d107658faec7e448/AD_B_2026_amendments.pdf) PDF, 246 KB, 13 pages This file may not be suitable for users of assistive technology. Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use. ### [2025 amendments to Approved Document B, volume 1 and volume 2](https://assets.publishing.service.gov.uk/media/67c1ac3d16dc9038974dbcfe/2025_Amendments_to_Approved_Document_B_volume_1_and_volume_2.pdf) PDF, 248 KB, 22 pages ### [March 2024 amendments to Approved Document B, volume 1 and volume 2 (No longer current)](https://assets.publishing.service.gov.uk/media/66054cc0f9ab41001aeea490/AD_B_amendment_booklet.pdf) PDF, 252 KB, 13 pages This file may not be suitable for users of assistive technology. Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use. ### [June 2022 amendments to Approved Document B, volume 1 and volume 2](https://assets.publishing.service.gov.uk/media/62964fac8fa8f5039927d15b/ADB_amendment_booklet_June_2022.pdf) PDF, 1\.06 MB, 54 pages This file may not be suitable for users of assistive technology. Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use. ### [May 2020 amendments to Approved Document B, volume 1 and volume 2](https://assets.publishing.service.gov.uk/media/5ec7f1c086650c76ab17fc0c/AD_B_2019_edition__May2020_amendments.pdf) PDF, 172 KB, 12 pages This file may not be suitable for users of assistive technology. Request an accessible format. If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [alternativeformats@levellingup.gov.uk](mailto:alternativeformats@levellingup.gov.uk). Please tell us what format you need. It will help us if you say what assistive technology you use. ## Details Since April 2023, the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep under review the safety and standards of all buildings in England, which includes advising government on updates to the Approved Documents. Building regulations for fire safety in residential homes, including new and existing dwellings, flats, residential accommodation, schools, colleges and offices. ## Updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029 Updates to Approved Document B make provision for sprinklers in all new care homes and withdraw national classes (BS 476 fire tests). These policy updates flow from the ‘[Sprinklers in care homes; removal of national classes; and second staircases in residential buildings](https://www.gov.uk/government/consultations/sprinklers-in-care-homes-removal-of-national-classes-and-staircases-in-residential-buildings)’ consultation that ran from December 2022 to March 2023. Provision is made for sprinklers to be installed in new care homes. Withdrawal of the outdated national classes fire testing standards is concluded, ending a long period of dual specification. The more robust European standard (BS EN 13501) remains in place. Transition periods for both policy updates will offer certainty to investors and enable smooth transition without disrupting supply chains. On 2 April 2020, as a response to the call for evidence: [a technical review of Approved Document B of the building regulations](https://www.gov.uk/government/consultations/technical-review-of-approved-document-b-of-the-building-regulations-a-call-for-evidence), a [workplan](https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/877365/Technical_review_of_Approved_Document_B_workplan.pdf) was released showing upcoming research to inform updates to fire safety guidance provided in Approved Document B. The announcement of the new clarified Approved Document B is provided in the [Circular](https://www.gov.uk/government/publications/approved-document-b-july-2019-edition-circular-022019). A [government response to the consultation](https://www.gov.uk/government/consultations/fire-safety-clarification-of-statutory-guidance-approved-document-b) has been published. We have also published frequently asked questions following the ban on combustible materials in external walls: [Building (Amendment) Regulations 2018: frequently asked questions](https://www.gov.uk/government/publications/building-amendment-regulations-2018-frequently-asked-questions) [Find historical documents relating to Approved Document B: Fire Safety](https://www.gov.uk/government/publications/historical-documents-relating-to-approved-document-b-fire-safety). Order printed copies Online: [RIBA books](https://www.ribabooks.com/approved-documents) Telephone: 020 7496 8383 Email: [sales@ribabookshops.com](mailto:sales@ribabookshops.com) ## Updates to this page Published 7 December 2010 Last updated 11 March 2025 [\+ show all updates](https://www.gov.uk/government/publications/fire-safety-approved-document-b#full-history) 1. 11 March 2025 Added Approved Document B (fire safety) volume 1 & 2: 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments. 2. 2 March 2025 Replaced Approved Document B vols.1 and 2 (2019 ed. incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments) to make corrections. 3. 14 January 2025 Added Approved Document B (fire safety) volume 1: Dwellings, and volume 2: Buildings other than dwellings - both 2019 edition incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments. 4. 2 September 2024 Added updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029. 5. 29 March 2024 Added March 2024 amendments to Approved Document B, volume 1 and volume 2. 6. 1 December 2022 Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 and 2022 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 and 2022 amendments. 7. 23 August 2022 Added link to Approved Document B: Fire safety - frequently asked questions 8. 1 June 2022 Added June 2022 amendments to Approved Document B, Volume 1 and Volume 2. 9. 26 November 2020 Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 amendments 10. 26 May 2020 Added May 2020 amendments to Approved Document B, Volume 1 and Volume 2. 11. 8 April 2020 Added a link to Technical review of Approved Document B workplan. 12. 19 September 2019 Replaced: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition 13. 11 September 2019 The department has become aware of a potential error in Approved Document B volume 1 2019 edition which details the provision of dampers fitted to the vents of smoke shafts. The department is investigating with industry experts the use of the defined term “fire and smoke dampers” in paragraph 3.51 iii. In addition to this, the guidance in relation to double-skinned insulated roof sheeting will be updated. Diagram 5.2a (volume 1) diagram 8.2a (volume 2) with the associated text in paragraph 5.14 (volume 1) and 8.28 (volume 2) will be updated to remove “with a thermoplastic core”. This brings the text in line with the previous edition of ADB and ensures there is no technical change to the new clarified document. Both volumes of Approved Document B have been removed from sale and from GOV.UK. The potential future corrections will be limited to the paragraphs and diagrams referenced above only. 14. 5 July 2019 Added: 'Approved Document B (fire safety) volume 1: Dwellings, 2019 edition' and 'Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition'. 15. 16 April 2019 Added November 2018 to April 2019 amendments to Approved Document B, Volume 1 and Volume 2. 16. 18 December 2018 Added 2018 amendments to Approved Document B (fire safety) volume 1 and volume 2. 17. 29 November 2018 Added 2018 amendment to Approved Document B (fire safety) volume 2: buildings other than dwellinghouses - amendments to statutory guidance covering fire safety matters within and around buildings in England. 18. 7 December 2010 First published. ## Sign up for emails or print this page Print this page ## Related content ### Collection - [Continuous review of Approved Document B](https://www.gov.uk/government/collections/continuous-review-of-approved-document-b) - [Approved Documents](https://www.gov.uk/government/collections/approved-documents) ## Explore the topic - [Building regulation](https://www.gov.uk/housing-local-and-community/building-regulation) ## Is this page useful? - [Maybe](https://www.gov.uk/contact/govuk) - Yes this page is useful - No this page is not useful Thank you for your feedback Report a problem with this page ## Help us improve GOV.UK To help us improve GOV.UK, we’d like to know more about your visit today. 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Readable Markdown	Documents Details Since April 2023, the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep under review the safety and standards of all buildings in England, which includes advising government on updates to the Approved Documents. Building regulations for fire safety in residential homes, including new and existing dwellings, flats, residential accommodation, schools, colleges and offices. ## Updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029 Updates to Approved Document B make provision for sprinklers in all new care homes and withdraw national classes (BS 476 fire tests). These policy updates flow from the ‘[Sprinklers in care homes; removal of national classes; and second staircases in residential buildings](https://www.gov.uk/government/consultations/sprinklers-in-care-homes-removal-of-national-classes-and-staircases-in-residential-buildings)’ consultation that ran from December 2022 to March 2023. Provision is made for sprinklers to be installed in new care homes. Withdrawal of the outdated national classes fire testing standards is concluded, ending a long period of dual specification. The more robust European standard (BS EN 13501) remains in place. Transition periods for both policy updates will offer certainty to investors and enable smooth transition without disrupting supply chains. [Find historical documents relating to Approved Document B: Fire Safety](https://www.gov.uk/government/publications/historical-documents-relating-to-approved-document-b-fire-safety). Order printed copies Online: [RIBA books](https://www.ribabooks.com/approved-documents) Telephone: 020 7496 8383 Email: [sales@ribabookshops.com](mailto:sales@ribabookshops.com) Published 7 December 2010 Last updated 11 March 2025 [show all updates](https://www.gov.uk/government/publications/fire-safety-approved-document-b#full-history) 1. 11 March 2025 Added Approved Document B (fire safety) volume 1 & 2: 2019 edition incorporating 2020, 2022 and 2025 amendments collated with 2026 and 2029 amendments. 2. 2 March 2025 Replaced Approved Document B vols.1 and 2 (2019 ed. incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments) to make corrections. 3. 14 January 2025 Added Approved Document B (fire safety) volume 1: Dwellings, and volume 2: Buildings other than dwellings - both 2019 edition incorporating 2020 and 2022 amendments collated with 2025, 2026 and 2029 amendments. 4. 2 September 2024 Added updates of Approved Document B (Fire Safety) for 2025, 2026 and 2029. 5. 29 March 2024 Added March 2024 amendments to Approved Document B, volume 1 and volume 2. 6. 1 December 2022 Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 and 2022 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 and 2022 amendments. 7. 23 August 2022 Added link to Approved Document B: Fire safety - frequently asked questions 8. 1 June 2022 Added June 2022 amendments to Approved Document B, Volume 1 and Volume 2. 9. 26 November 2020 Added: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition incorporating 2020 amendments; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition incorporating 2020 amendments 10. 26 May 2020 Added May 2020 amendments to Approved Document B, Volume 1 and Volume 2. 11. 8 April 2020 Added a link to Technical review of Approved Document B workplan. 12. 19 September 2019 Replaced: Approved Document B (fire safety) volume 1: Dwellings, 2019 edition; and Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition 13. 11 September 2019 The department has become aware of a potential error in Approved Document B volume 1 2019 edition which details the provision of dampers fitted to the vents of smoke shafts. The department is investigating with industry experts the use of the defined term “fire and smoke dampers” in paragraph 3.51 iii. In addition to this, the guidance in relation to double-skinned insulated roof sheeting will be updated. Diagram 5.2a (volume 1) diagram 8.2a (volume 2) with the associated text in paragraph 5.14 (volume 1) and 8.28 (volume 2) will be updated to remove “with a thermoplastic core”. This brings the text in line with the previous edition of ADB and ensures there is no technical change to the new clarified document. Both volumes of Approved Document B have been removed from sale and from GOV.UK. The potential future corrections will be limited to the paragraphs and diagrams referenced above only. 14. 5 July 2019 Added: 'Approved Document B (fire safety) volume 1: Dwellings, 2019 edition' and 'Approved Document B (fire safety) volume 2: Buildings other than dwellings, 2019 edition'. 15. 16 April 2019 Added November 2018 to April 2019 amendments to Approved Document B, Volume 1 and Volume 2. 16. 18 December 2018 Added 2018 amendments to Approved Document B (fire safety) volume 1 and volume 2. 17. 29 November 2018 Added 2018 amendment to Approved Document B (fire safety) volume 2: buildings other than dwellinghouses - amendments to statutory guidance covering fire safety matters within and around buildings in England. 18. 7 December 2010 First published.
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