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Cardiff Council

Building Regulations

​Download our Guide to Extending your Home (7.2mb PDF)​​​​​​​​​​​​​​​​​Link opens in a new window​​
The information in this document has been designed for print and may not be fully accessible online.

What are building regulations?

The standards and guidance for the design and construction of buildings.

Do I need building regulations approval?

Not all building work needs approval. Find out if yours does.

Apply for building regulations approval

How to go about applying for approval.

​​​Sustainable Drainage Systems (SuDS)

The updated standards for drainage of new developments.​​​​

© 2022 Cardiff Council