Amend a planning application

To change your application after submission, contact your case officer. They write to you after you submit your original application. Explain the change you want to make. You can only do this before we make a decision, and it may delay our decision.

Your case officer may recommend changes to your development to make it acceptable for planning permission.

For further information see planning applications amendment service. 

Amendments after we have made a decision

If you want to amend your application after you have already received our decision, you can:

• make a non-material amendment application for small changes
• for bigger changes, make an application to vary the conditions relating to the consented development

If you're not sure which type of application you should submit, you can ask us for pre-application advice. 

Material amendments

The government does not provide a definition of ‘material’ amendments. This means that each local authority has to decide their own definition. We will decide if an amendment is 'material' by looking at the whole granted development, and looking at any other changes we have already allowed to it.

We assess each application on a case-by-case basis and there is no set list of the types of changes that we think are 'material'. However, when deciding if changes are 'material', we consider if:

• the change will increase the size of the development
• a change of use to any part of the property will occur
• the change will harm neighbourhood amenity
• the change will be against any of our planning policies

If we think the changes would be 'material', you might need to re-apply for permission.