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Building Regulations Part J: Combustion appliances and fuel storage systems

Welcome to the technical guidance page for Part J of the building regulations, which covers the safety of heating appliances, including provisions for solid fuel, oil and gas-fired heating.

The approved document is available for download below, with additional guidance at the foot of the page.

Approved Document J: Combustion appliances and fuel storage systems

Additional Guidance:


BCA Guidance:

BCA Technical Guidance Note 10: Installation of boiler flues and ventilation perforations in external timber framed walls and other such structures

LABC Technical Guidance:

Technical guide: Guidance on testing the safety and efficiency of flues and chimneys

Technical guide: Guide to installing solid fuel stoves