BS 9991:2024 — Fire safety in the design, management and use of residential buildings

BS 9991:2024 — Fire safety in the design, management and use of residential buildings. Updated residential fire safety code. Aligns with the BSA 2022, incorporates second-staircase guidance, and addresses lithium-ion battery storage in residential settings. This page provides a structured summary, key provisions, and practical guidance on the application of BS 9991:2024 to UK fire safety engineering, building design, and Building Safety Act compliance.

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