P2-40 Accepted

Amend BS 750 for flow coefficient measurement

Grenfell Tower Inquiry · Grenfell Tower Inquiry: Phase 2 Report · Issued 4 September 2024 · Addressed to: British Standards Institution

Source — verbatim from the inquiry

Inquiry recommendation

That the British Standards Institution amend BS 750 to include a description of the circumstances under which the flow coefficient to which it refers in paragraph 10.2 is to be measured. (113.64)

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 British Standards Institution accepted this recommendation in February 2025, committing to amend BS 750 to include circumstances for flow coefficient measurement (Government Response to Grenfell Tower Inquiry Phase 2 Report, MHCLG, February 2025).
- The government's annual report stated an expert panel developed a consultation draft for the amendment to BS 750, with consultation expected imminently and amendment publication targeted Q1 2026 (Annual Report on Progress, MHCLG, February 2026).

Response — verbatim from government

British Standards Institution — initial response

The British Standards Institution (BSI) accepts this recommendation. It will amend BS 750 accordingly and expect to publish the revised standard, following the usual standards development process and a period of public consultation, towards the end of 2025.

British Standards Institution · 16 Jan 2025 Written response →

British Standards Institution — follow-up

The British Standards Institution (BSI) accepts this recommendation. It will amend BS 750 accordingly and expect to publish the revised standard, following the usual standards development process and a period of public consultation, towards the end of 2025.

British Standards Institution · 26 Feb 2025 Written response →

Evidence trail — what's actually happened since

  • 1 Feb 2026 Expert panel developed consultation draft for amendment to BS 750. Consultation publication expected imminently. Amendment publication targeted Q1 2026, dependent on response volume. 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.