The amendments referred to can be found in Approved Document B of the Building Regulations and came into force on 1 December 2022.
See the Approved Document or the Regulations for the full details.
In brief, the changes focus on the following fire safety provisions:
- a. Ban of combustible materials in and on the external walls of buildings:
- Consequential amendments following the laying of the Building (Amendment) (England) Regulations 2022. Updated provisions in Section 10 for residential buildings (purpose groups 1 and 2) with a storey 11 metres or more in height.
- b. Secure information boxes: a new recommendation for secure information boxes in blocks of flats with storeys over 11 metres
- c. Evacuation alert systems: a new recommendation for evacuation alert systems in blocks of flats with storeys over 18 metres
- d. Clarifications and corrections: clarification of further diagrams, further text clarifications and corrections. The changes are set out in the June 2022 AD B amendment booklet and November 2022 correction notice