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Building Regulations and Other Guidance
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Part A Structure
Requirements and Guidance
Section 1: Codes, standards and references for all building types
Section 2: Sizes of structural elements for certain residential buildings and other small buildings of traditional construction
Section 3: Wall Cladding
Section 4: Roof covering
Section 5: Reducing the sensitivity of the building to disproportionate collapse in the event of an accident
Standards referred to
Part B Fire Safety
Volume 1 Dwellings
Volume 2 Buildings other than dwellings
Part C Site Preparation and Resistance to Contaminants and Moisture
Part D Toxic Substances
Part E Sound
Section 0: Performance
Section 1: Pre-completion testing
Section 2: Separating walls and associated flanking construction for new buildings
Section 3: Separating floors and associated flanking construction for new buildings
Section 4: Dwelling-houses and flats formed by material change of use
Section 5: Internal walls and floors for new buildings
Section 6: Rooms for residential purposes
Section 7: Reverberation in the common internal parts of buildings containing flats or rooms for residential purposes
Section 8: Acoustic conditions in schools
Part F Means of Ventilation
Volume 1 Dwellings: Introduction
Volume 2: Buildings other than dwellings
Section 1: Ventilation provision
Section 2: Minimising the ingress of external pollutants
Section 3: Work on existing dwellings
Section 4: Commissioning and providing information
Appendix A: Key terms
Appendix B: Performance-based ventilation
Appendix C: Completion checklist and commissioning sheet
Appendix D: Checklist for ventilation provision in existing dwellings
Part G Sanitation, hot water safety and water efficiency
Part H Drainage and waste disposal
H1: Foul water drainage
Appendix H1 A: Additional guidance for larger buildings
Appendix H1-B: Repairs, alterations and discontinued use of drains and sewers
Appendix H1-C: Adoption of sewers and connection to public sewers
H2: Wastewater treatment systems and cesspools
Appendix H2-A: Maintenance of wastewater treatment systems and cesspools
H3: Rainwater drainage
H4: Building over sewers
H5: Separate systems of drainage
H6: Solid waste storage
Appendix H6-A: Relevant waste collection legislation
Standards referred to
Part J Combustion appliances and fuel storage systems
The Requirements
Section 0: General guidance
Section 1: Provisions which apply generally to combustion installations
Section 2: Additional provisions for appliances burning solid fuel (including solid biofuel) with a rated output up to 50kW
Section 3: Additional provisions, for gas burning appliances
Section 4: Additional provisions for oil burning appliances
Section 5: Provisions for liquid fuel storage and supply
Appendix
Standards referred to
Part K Protection from falling, collision and impact
Section 1: Guidance on aspects of the geometry of stairs, special stairs, fixed ladders and handrails for and guarding of stairs
Section 2: Guidance on ramps and guarding of ramps
Section 3: Guidance on protection from falling
Section 4: Vehicle Barriers and Loading Bays
Section 5: Protection against Impact with Glazing
Section 6: Protection from collision with open windows etc.
Section 7: Manifestation of glazing
Section 8: Safe opening and closing of windows etc.
Section 9: Safe access for cleaning windows etc.
Section 10: Protection against Impact from and Trapping by Doors
Appendix : Standards Referred to
Part L Conservation of fuel and power
Volume 1: Dwellings_Came into force on 15 June 2022
Volume 2: Buildings other than dwellings_Came into force on 15 June 2022
Previous Editions: 2016 & 2018
Part M Access to and use of buildings
Part M Volume 1 Dwellings
Part M Volume 2 Buildings other than dwellings
Part O Overheating
Requirement O1
Section 1: Simplified method
Section 2: Dynamic thermal modelling
Section 3: Ensuring the overheating mitigation strategy is usable
Section 4: Providing information
Appendix A: Key terms
Appendix B: Compliance checklist
Appendix C: Areas with a high risk of its buildings overheating
Appendix D: Calculating equivalent area
Part P Electrical safety
Part Q Security
Part R Physical infrastructure for high-speed electronic communications networks
Part S Infrastructure for the charging of electric vehicles
Section 1: New residential buildings
Section 2: Material change of use and major renovations for residential buildings
Section 3: New buildings other than residential or mixed-use buildings
Section 4: Major renovations of buildings which are not residential or mixed-use buildings
Section 5: Mixed-use buildings
Section 6: Standards for electric vehicle charge points and cable routes
Appendix A: Key terms
Air Leakage
Introduction
Transitional arrangements
Air Leakage
Building Regulations
Acceptable construction details
Air barrier materials and accessories
Building Regulations
Testing for leakage
Minimising leakage
Leakage detection methods
Regulation 7 Materials and Workmanship
Radon
Building Energy Rating: EPC
Energy Efficiency & Renewable Energy Systems
Timber Frame Construction
Stud framework
Noggins
Sheathing
Thermal insulation
Wall Ties
Ventilated cavities
DPCs
Vapour control layer
Breather membranes
Cavity barriers
Firestops
Eaves details
Spandrel panels
Differential movement
Masonry chimneys in timber-frame walls
Opes
Cavity walls
Party walls
Fire resistance
Sound insulation
Fire-stopping and protection of steel members
Floors
Locations for notching and drilling
Fire safety
Typical Fixing Details
Overall requirements
Acceptable Construction Details
Timber Frame
External Wall Insulation
Cavity Wall Insulation
Internal Wall Insulation
Steel Frame
Typical Inspection Reports
No 1. Inspection Foundations Radon Sump Barrier and Blinding
No 2. Inspection Foundations Radon Sump Barrier and Blinding
No 3. Inspection Radon Barrier Blinding and Insulation
No 4. Inspection of Radon Barrier and DPC
No 5. Inspection Radon Barrier Rising Walls Block and Brickwork
No 6. Inspection Rising Walls Block and Brickwork
No 7. Inspection of Chasing Block work, Brickwork and feature stone band
No 8. Inspection of Radon Barrier and Damp proof Course.
No 9. Inspection of Brick and Block work from 1st to 2nd floor
No 10. Inspection of Joisting , bridging, Block work, Brickwork and Lintel supports
No 11. Inspection of Block work, Brickwork and feature stone band
No 12. Inspection of Block work, gable and party walls.
No 13. Inspection Brickwork and Firestopping
No 14 Inspection of Structural Beams
No 15. Inspection of Stud wall and floor joist construction
No 16. Inspection of Stud wall construction.
No 17. Inspection of Stud wall construction
No 18. Inspection of Roof Construction.
No 19. Inspection of Roof Construction and breathable membrane
No 20. Inspection of chasing in block party walls for electrical first fix
No 21 Inspection of Electrical first fix
No 22 Inspection Steel Beams and Intumescent paint
No 23 Inspection of windows and doors being installed
No 24 Inspection of Windows on Front and Rear Elevations
No 25 Inspection of Windows on Front Elevations, DPM and Control Joint
No 26 Inspection of Windows on Rainwater System
No 27 Inspection of Windows on Velux Rooflights
No 28. Inspection of timber stairs installation
No 29. Inspection of timber stairs and handrail during construction stages
No 30 Inspection of timber stairs handrail installation
No 31. Inspection of Timber stairs handrail.
No 32. Inspection of Roof Access Hatch
No 33. Inspection of Blockwork and elements
No 34. Inspection of Rising walls, Damp proof Course and Blockwork.
Volume 1 Dwellings
Main changes made by the 2022 amendments
Main changes made by the 2020 amendments
The changes focus on the following fire safety provisions in blocks of flats:
a. Sprinklers: A reduction in the trigger height from 30m to 11m.
b. Wayfinding signage for the fire service: A new recommendation for floor identification and flat indication signage within blocks of flats with storeys over 11m.
In addition a typographical error is corrected in both volumes.
Purpose group number 2 is now included in reference to ‘residential’ buildings in the guidance on boundaries.
The changes are set out in the May 2020 AD B amendments.
Main changes made by the 2022 amendments
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 11m or more in height.
b. Secure information boxes: A new recommendation for secure information boxes in blocks of flats with storeys over 11m.
c. Evacuation alert systems: A new recommendation for evacuation alert systems in blocks of flats with storeys over 18m.
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.
