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Building Regulations Part B: Fire Safety

Welcome to the technical guidance page for Part B of the building regulations, which includes Approved Document B and additional guidance.

This section deals with all things relating to fire safety, including means of escape, fire spread, structural fire protection and fire service access.

The approved documents to satisfy the requirements can be downloaded below, with volume 1 covering dwellings and volume 2 covering buildings other than dwellings (including flats). Additional guidance can be found at the foot of the page. (Book a fire risk assessment.)

Approved Document B: Fire Safety
Volume 1: Dwellinghouses
Approved Document B: Fire Safety
Volume 2: Buildings other than Dwellinghouses

Additional Guidance:


BCA Guidance:

BCA Technical Guidance Note 2: Protected Entrance Halls

BCA Technical Guidance Note 8: Smoke Shaft Termination at Roof Level

BCA Technical Guidance Note 9: Fire Doors in Dwellings

BCA Technical Guidance Note 18: Use of Combustible Cladding Materials on Residential Buildings

BCA Technical Guidance Note 19: Use of Timber Stairs in Residential Buildings Exceeding Three Storeys

BCA Technical Guidance Note 23: Means of Escape from Enclosed Private Balconies to Flats

LABC Technical Guidance:

Technical guide: Guidance on loft conversions in two-storey houses

Technical guide: Guidance on the use of polyurethane foam in fire-resisting applications

Technical guide: Guide to the safe installation of downlighters in dwellings

Technical guide: Guide to the use of fire engineered designs in building projects

Technical guide: Guide to means of escape from existing dwellings with four or more storeys

Technical guide: Guide to thatched buildings (The ‘Dorset Model’) new properties and extensions

Technical guide: Building Regulations Fire Safety Procedural Guidance

Fire Detailing Guide

LABC Member Document:

Member Document: Fire Safety in High Rise Residential Blocks

BWF Certifire Guidance:

BWF Certifire Door Best Practice Guide
Fire Door Safety Week Toolkit

SCA Guidance:

Smoke Control Association (SCA): Guidance on Smoke Control to Common Escape Routes in Apartment Buildings (Flats and Maisonettes)