You don't need building regulations approval for some projects such as loft and garage conversions.

Find out more

Building control regulations

If you think you need permission to start your project, go to Building regulations

Plan and design your extension

Before you begin work on extending your home, get some advice from:

Contact us

Building Control
Merton Civic Centre
London Road
Morden
SM4 5DX

Telephone: 020 8545 3145
Lines open 9-12am for booking site visits and 3-5pm for Technical queries

If you urgently need to report a dangerous structure: 020 8274 4901

Or out-of-hours emergency line: 020 8543 9750

Email: buildingcontrol@merton.gov.uk