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Core Supplement
Building Regulations 2010: Approved Documents
The amendments relate to recommendations for fire safety provisions of more than one common stair in blocks of flats with a storey of 18m or more in height, and the use of evacuation lifts.
The changes will take effect from 30 September 2026, when they will be incorporated into the main Approved Documents B volumes 1 and 2. The 2019 edition incorporating 2020 and 2022 amendment will continue to apply where a building notice or an initial notice has been given to, or a building control approval application with full plans made to, the relevant authority before 30 September 2026 and either the building work to which it relates has started and is sufficiently progressed before that day, or is started and is sufficiently progressed within the period of 18 months beginning on that day. To read in conjunction with Approved Document B Volume 1 (HMG, 2022) and Approved Document B Volume 2 (HMG, 2022)
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