Planning Inspectorate
Dealing with national infrastructure, large-scale projects, planning appeals, etc.

Department for Communities and Local Government
Information on planning, building and the environment, regeneration and economic growth, as well as freedom of information.

Individual local authority planning links in Kent and Medway below:

Ashford Borough Council
Canterbury City Council
Dartford Borough Council
Dover District Council
Gravesham Borough Council
Maidstone Borough Council
Medway Council
Sevenoaks District Council
Shipway District Council
Swale Borough Council
Thanet District Council
Tonbridge & Malling Borough Council
Tunbridge Wells Borough Council