The changes focus on the following fire safety provisions:
- 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 11m or more in height.
- Secure information boxes: A new recommendation for secure information boxes in blocks of flats with storeys over 11m.
- Evacuation alert systems: A new recommendation for evacuation alert systems in blocks of flats with storeys over 18m.
- Clarifications and corrections: Clarification of further diagrams, further text clarifications and corrections. The changes are set out in the June 2022 AD B amendments.