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Essential maintenance — Our Public Access (planning system) will be unavailable from 10:00pm on 19 November for a short period of time

Check if you need planning permission

Find out if you'll need permission for the work you're planning

Permitted developments

Some minor alterations and extensions, particularly to houses, can often be carried out without the need for planning permission. This is known as permitted development.

To help you decide whether you need planning permission, the Planning Portal have developed an interactive house. It will help guide you through general householder planning projects.

Open the Interactive House

Lawful development certificate

If you think that planning permission is not required, but you would like the comfort of us having confirmed that, you can apply for a Lawful Development Certificate. There is a charge for this service. Please see our planning fees document at the bottom of the page.

To apply for a lawful development certificate you'll need:

  • a site plan
  • a valid debit or credit card for the fee

Apply for a Lawful Development Certificate

Additional permissions

As well as getting planning permission, and complying with building regulations, you may also need additional permissions for the development to proceed.

Find out more about the most common additional consents on the Planning Portal.