Do I need planning permission?

Planning permission is usually required for new builds and major changes to existing properties.

On this page you will find

  • Resources to help you find out if your need planning permission
  • A request form for the council's 'Do I need planning permission?' service. There is a £60 research fee for this service.

Do you already know that you need planning permission? Move to the next stage with our step by step guide to applying for planning permission.

'Do I need planning permission?' charged service

To find out if you need planning permission, please complete the online form below. There is a £60 research fee for this service.

Do I need planning permission request

Helpful resources

  • Planning Practice Guidance (external website) provides general guidance on when you are likely to need planning permission. Use for advice on what falls in the category of “permitted development”.
  • The Planning Portal interactive house (external website) is a visual tool to help you decide whether changes to existing building need planning permission.

Remember, these websites can only provide general advice and it’s your responsibility to comply with planning law, building regulations and other legal requirements.

Article 4 directions

Some building works, such as erection of fences, is classed as "permitted development" and can be carried out without the need for formal planning permission from the council. In situations where such development may harm the character of an area, however, the council is able to make an "article 4 direction". The effect of this direction is to take away "permitted development" rights, meaning that planning permission will be required.

Several plots of agricultural land within the district have been purchased, divided into small plots and offered for sale. To protect the character of the countryside many of these plots of land have been made subject to an article 4 direction preventing the erection of fences and so on.

Article 4 directions can be viewed on My Wycombe by checking the box under "Planning constraints"

Community Infrastructure Levy

You will have to pay Community Infrastructure Levy (CIL) for developments with 'general consent' of more than 100 square metres.

Conservation areas and listed buildings

See: conservation areas and listed buildings for further information and guidance.

Development Plan

We make planning decisions in accordance with the Development Plan, unless material considerations indicate otherwise.


Advertisements can require "Advertisement Consent". Adverts are grouped into three categories:

  1. Exceptions: advertisements that do not require advertisement consent.
  2. Deemed consent: Those advertisements that require consent, but provided they fall within certain criteria can be displayed without having to apply to the local planning authority.
  3. Express consent: An application for express consent must be made to the local planning authority on the forms provided and is subject to a fee. Applications for advertisement consent can be considered only in the interests of "amenity" and "public safety". We may not impose any limitation or restriction on the subject matter, content, or design of an advertisement except in the interests of public safety or amenity.

Contact information

Planning and Building control opening hours and contact information