Do I need planning permission?

Find out what work needs planning permission and what doesn't.

You might need planning permission to:

  • build something new
  • extend a property
  • build a conservatory
  • put a dormer window into your roof
  • put up a garage or shed
  • change the use of a property
  • carry out engineering or mining work
  • carry out external alterations such as re-roofing or roof lights

Other permission you might need

  • Listed building consent, if you're altering or extending a listed building
  • Conservation area consent, if you're demolishing a building or walls in a conservation area
  • Advertisement consent, if you're putting up an advertisement
  • Tree Preservation Order (TPO), if you're doing work to trees

Work that doesn't need planning permission

Some small building work might not need planning permission. This is known as permitted development. Examples include:

  • small front porches
  • some extensions or conservatories
  • satellite dishes
  • replacement windows and doors
  • dormer windows at the rear of building
  • detached garages and sheds

You don't have permitted development rights if you live in a conservation area. Even small changes or developments might need planning permission.

Certificate of Lawfulness

You can apply for a Certificate of Lawfulness to confirm if work doesn't need planning permission.

Apply on the website.

Contact us


Phone: 0141 577 3001

Last modified on 3 July 2020

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