P2-40 Response Accepted

Amend BS 750 for flow coefficient measurement

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)

Published Evidence Summary
The following publicly available evidence relates 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).
Sources
How was this evidence gathered?
Evidence searched by Claude (Anthropic) on 10 Apr 2026
Checked data held on this site (government responses, progress updates, independent evidence)
Jurisdiction
UK-wide
Response
Accepted
Accepted British Standards Institution
26 Feb 2025

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.

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Progress Timeline
Official Report
01 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
Source
Inquiry Grenfell Tower Inquiry
Report Grenfell Tower Inquiry: Phase 2 Report 04 Sep 2024
View Source
Responsible Bodies
British Standards Institution Primary
Themes & Tags
Fire risk assessment failures Standards Water Supply
Recommendation age 1.7 yrs
Last formal update 01 Feb 2026