Approved Document B: Fire Safety

The Government has published amendments to Approved Document B: Fire Safety Volume 1 – Dwellings and Volume 2 – Buildings other than dwellings.

Relevant documents include:

Following a public consultation, the Government announced last year its intent to set a threshold height of 18 metres above which a second staircase should be provided in residential buildings.

The main update to the guidance introduces a new height threshold for the provision of a second staircase in residential buildings with a storey 18 metres or more in height. The updated guidance will come into force on 30 September 2026.


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