Reconsider compartmentation in Approved Document B
Grenfell Tower Inquiry · Grenfell Tower Inquiry: Phase 2 Report · Issued 4 September 2024 · Addressed to: UK Government
Source — verbatim from the inquiry
●Inquiry recommendation
New materials and methods of construction and the practice of overcladding existing buildings make the existence of effective compartmentation a questionable assumption and we recommend that it be reconsidered when Approved Document B is revised. (113.13)
Grenfell Tower Inquiry, Grenfell Tower Inquiry: Phase 2 Report · 4 Sep 2024 Source PDF →
Published evidence summary
Publicly available evidence relating to this recommendation:
- The government's annual report stated compartmentation guidance is being addressed through the ongoing Approved Document B review, with a six-member expert panel appointed on 31 July 2025 (Annual Report on Progress, MHCLG, February 2026).
Sources
How was this evidence gathered?
Response — verbatim from government
●UK Government
The government accepts this recommendation. We will address this through the response to recommendation 5.
UK Government · 26 Feb 2025 Written response →
Evidence trail — what's actually happened since
- 1 Feb 2026 Compartmentation guidance addressed through ongoing Approved Document B review by Building Safety Regulator. Six-member expert panel appointed 31 July 2025 guiding review. (Covers Recommendations 5, 6, 7, 8, 9, 11, 12.) Source →
Each entry above links to a primary source — gov.uk written statement, consultation response document, or inspection report. The Index does not characterise government intent; it tracks what has been published.
How this page is built
Source and Response are verbatim from primary documents. The Evidence trail records published activity since — written statements, consultation outcomes, inspection findings, parliamentary references. The Index does not paraphrase or characterise intent; it tracks what has been published. Where the evidence is the absence of action (a missed deadline, a slipped timetable), that absence is documented from primary sources rather than inferred.
This recommendation's data is verified periodically against primary sources. The Index is monitored for staleness weekly.