Frequently Asked Questions

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What is planning permission?

Planning permission is the formal permission from the local authority for the alteration or erection of new habitable space. It can be granted with certain conditions that need to be met post planning and prior to works starting. There are many different forms of planning permission which range from Permitted Development Rights, Prior Approval to Full Applications. Speak to one our team and we can help advise you on what is suitable for your project.

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How much does it cost to get planning permission?

The local authority fee for a Householder planning application is £206. Depending on the complexity of your project, you’ll also need to allow for the fees of an architect and other consultants/ surveyors.


Is it possible to make amendments after receiving planning permission?

Changes may arise after planning permission has been granted, which will require modification of the approved proposals. When these modifications are substantial, a new planning application will need to be submitted. Where fewer substantial changes are proposed, the following option is available for amending the proposal:

Non material Amendment. For example, changing the size of a window or the material used for the roof.

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Can I extend or renovate my listed house?

It is possible to make changes and add extensions to all types of listed buildings, but the options are limited. On top of applying for planning permission you will be required to make an application to your local authority for listed building consent.

It is a criminal offence to make changes to a listed building with out permission.


How much does an architect cost?

Architects fees vary depending on a few factors such as the scope, project complexity and what level of service you are looking for. These fees can be provided in the form of lump sums payable at different project stages or percentages and hourly rates.

For a typical a rear extension and house refurbishment in central London with a construction budget of £300,000, an architect’s fee for design and contract administration would be around 10% equating to £30,000. The work up to planning submission would be just £5,000.

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Hampstead Office

  • 663 Finchley Road
    NW2 2HN
  • Telephone 02038 190 163
  • Email
  • Opening Hours Monday to Friday: 08:30am to 5:30pm
Hamstead Architect