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Do I need planning permission to build above an attached garage?

Building above an attached garage is treated the same as adding a storey to the rest of your home. This is considered to be permitted development, not requiring an application for planning permission provided you meet the set rules and requirements.

You will still need to submit an application for prior approval to your local planning authority.

Read the list of rules and requirements for extending upwards.

Common Questions

Do I need planning permission and what are the building regulations to move an internal doorway?

Planning permission is not required to move an internal doorway, provided it does not impact the external appearance of the building. If the building is listed, you will require listed building consent for any changes to the building.

Building regulations may apply if the wall is load bearing or is part of a fire escape route.

Read more about windows and doors from our common projects.

How can I find out the progress of my planning application

Once you submit your application it will be considered by the local planning authority. The Planning Portal does not have access to the application once it is submitted.

You will need to contact your local planning authority to check on the progress of any submitted application. Many authorities now let you track the progress of applications on their own council websites.

Your local authority’s contact details and website address can be found by using our local authority search.

Search for the contact details of your local authority.

Read about the decision-making process.

Can I use an outbuilding as a home office?

Yes, in most cases you can use an outbuilding as a home office without needing planning permission. As long as the use remains incidental to the main dwelling it is still considered part of your domestic residential use.

Read more about outbuildings

My house is in a conservation area, and I want to have solar panels on the garage and roof, do I need permission?

Installing solar panels on your roof will often fall under permitted development rights, meaning an application for planning permission is not required provided certain limits and conditions are met.

The limits and conditions vary based on the type of roof you want to install the solar panels on and the location of the house. See the details below:

·     On a pitched roof, panels should not be installed above the highest part of the roof (excluding the chimney) and should project no more than 200mm from the roof slope or wall surface.

·     On a flat roof the highest part of the solar PV equipment cannot be more than 600mm higher than the highest part of the roof(excluding chimney).

·     The panels must not be installed on a building that is within the grounds of a listed building or on a site designated as a scheduled monument.

·     If your property is in a conservation area, or in a World Heritage Site, panels must not be fitted to a wall which fronts a highway.

As you have stated you’re in a conservation area, you must apply to the local authority for prior approval. This process includes submitting a form to the local planning authority which ensures that you meet the limits set out in legislation.

Forms relating to prior approval for mounting solar equipment can be submitted through the Planning Portal’s online application service and attract a fee of £240.

Visit our solar common projects page for more details and to explore similar permissions.

How can I contact my council's planning department?

A council’s planning department, known as the local planning authority (LPA), is the local government body responsible for managing and overseeing the planning system in a specific area.

You can use the search tool on Planning Portal to find the contact details for any local planning authority in England and Wales.

Find your local planning authority.

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