Part B
Building Regulations Part B
The part of the Building Regulations covering fire safety: means of escape, fire spread within and between buildings, and access for the fire service. For extensions it governs matters such as escape windows, protected stairways and how close to a boundary certain roof coverings can sit.
Also known as
Part BApproved Document BAD BFire Safety
Pages where Part B comes up
11 guides reference Part B, grouped by build phase.
Planning
Structure
Second fix
Completion
Want the full picture?
The buildwiz build guides walk through a UK extension in sequence and link to Part B (and every other Approved Document) at the exact stage it bites. That is usually a more productive way to use this material than reading the document cover to cover.