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Development management

Guidance on whether you need planning permission or building regulations before starting a new project to improve, extend, or change your home, business, or land.

Do I need planning permission?

Before starting a new project to improve, extend, or change your home, business, or land, you will need to find out if planning permission is required.

Apply for pre-application planning advice

We offer pre-application advice on a variety of planning matters you need to consider before applying for permission.

Permitted Development

What is permitted development and what restrictions apply.

Planning enforcement

How we deal with planning development carried out without the correct permission

Telecommunications development

Telecommunications development and the relevant planning procedures and considerations

Report a planning breach

How to report a planning breach

Search for telecommunications masts

Information on all telecommunications masts in Lewes and Eastbourne, and search for your nearest.

South Downs National Park

Information on the South Downs National Park, where to submit an application, the area it covers, how it is protected, the purposes of the park and partnership working with local authorities.