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Is there a maximum height for a new dormer?

Yes, under permitted development, a new dormer must not be higher than the existing highest part of the roof. It should also have materials that are in similar appearance to the existing roof. Additional limits apply in conservation areas and on listed buildings. Read about planning permission for loft conversions on Planning Portal

Common Questions

I want to widen an external and an internal doorway to fit a wheelchair, do I need planning permission and building regulations approval?

Widening or creating a new external doorway will likely fall under permitted development rights, meaning an application for planning permission is not required provided you meet limits and conditions set out in legislation. If the change is on the side or rear of the building it is more likely to comply with planning regulations.

If you live in a listed building, you will have to apply for listed building consent for any significant works, whether internal or external.

New external doorways which create a new or widened opening must comply with building regulations as they may impact the structure of a building.

Read more on our doors and windows common project.

What are the building regulations for relocating a gas metre?

Your gas meter should only be moved by your energy supplier or your local gas network operator. For more information contact your energy supplier to understand if they can move it based on your requirements.

Full details on gas safety and planning can be found on our utilities common project.

Is planning permission needed to render the outside of my house?

Replacing existing render on the outside of your house with render of a similar appearance will not require planning permission as it is considered permitted development.

If you are changing the external appearance of the house or in a protected area such as a conservation area, then planning permission will be required. The external appearance of the house is likely to be changed when you are rending the house for a first time or changing the type or colour of the render.

 If the building is listed, then you will need listed building consent.

How long does it take for a decision after I submit my planning application?

Once submitted, your planning application first goes through a validation process. After its validated, the formal decision period is 8 weeks. However, in some cases, especially for more complex proposals or if further information is needed, your local authority may request an extension of time.

 

Understand more about the decision-making process on Planning Portal

Do new external steps outside my house need planning permission or building control approval?

Planning permission is not normally required for steps in a garden, however, permission may be required if the steps are part of a larger project such as a raised deck attached to the front of the house.

If the external steps are attached to the house and a roof is constructed, this will become a porch which has different rules attached. Read full details on the planning rules for porches in our common projects section.

Different rules may apply if you live in a designated area such as a conservation area or if the building you live in is listed.

External steps will not normally require building regulations approval unless they are part of the access to the building. If they are then you must ensure that you do not reduce the level of accessibility to the house.

You should contact your local planning authority for further project advice, alternatively, you can apply for a lawful development certificate for confirmation that any changes you make do not require planning permission.

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