When you need approval
The Building Regulations 2010 (legislation.gov.uk) cover the construction and extension of buildings. Building control checks that your project meets the requirements of the legislation.
Before you apply
Read the guidance from Local Authority Building Control (LABC) to determine which building regulations apply to your project. LABC represents building control teams in England and Wales. Advice on getting started is available for:
You can also read more about building regulations policy on GOV.UK.
Types of application
You will need to choose a type of application for your building project.
Full plans
Usually used for major projects like new buildings, extensions or alterations to your building, or if your building use is changing. You need to submit full plans of the work you’re planning.
Download a full plans submission form
Building notice
Usually used for smaller projects, including:
- chimney breast removal
- recovering of roofs
- installing a new bathroom
- converting your garage to a room
- forming a through lounge
- replacing windows
You do not need to send plans with your application, but we may ask for more information later. You can start work 48 hours after giving notice.
Download a building notice form
Regularisation
This is where you make a retrospective application for work that’s already completed, but was not approved. You can apply for a regularisation certificate for any unauthorised works started anytime from 11 November 1985.
Before you get a certificate saying requirements have been met, we may need to visit the site and make tests.
Download a regularisation application form
Reversion
To make a reversion application, download our reversion application form.
Fees
Fees will depend on the scope of your project and the type of work. Refer to our schedule of charges and our supplementary charges.
To request a quotation for services for work defined as 'individual assessment' or for works in excess of £150,000, download an individual assessment form.
Other information
For questions about our building control process, telephone 020 8583 5454 or email buildingcontrol@hounslow.gov.uk.
To build over or near a sewer, apply for an agreement from Thames Water.
To build on or near former landfill, download our small developments landfill condition guide.
