You can get general advice on what to include in a planning application submission from the Planning Portal and our How do I Apply? webpage.
For detailed information see How do I Apply? or contact us. If your application has been submitted but you have been advised that it is invalid please contact us for further advice if you are not clear what else is required.
If you haven't been able to find the information that you need then the link below will take you to a form that you can use to ask us further questions.