This guide explains planning permission rules affecting annexe developments in Dover.
Most householder development follows national permitted development rules unless local restrictions apply.
numerical, wherever possible, which provide specific, detailed parameters for the design of new
Extensions must comply with national permitted development depth limits.
Local Plan, Monitoring, Neighbourhood Plans, Brownfield Register, Self Build and Custom Build Registers
Roof alterations must comply with national permitted development rules.
of harm to the character and appearance of the area. In particular, the loss of the best and most
Additional planning restrictions may apply in conservation areas.
Needed for any works which would affect the special historic or architectural character or appearance of a listed building.
Last verified 2026-01
UK permitted development legislation allows many annexe projects without planning permission provided certain limits are followed.
However local planning authorities such as those covering Dover may impose additional planning controls through conservation area policies or Article 4 directions.
Many annexe projects in Dover may fall under permitted development rights if they remain within national planning limits.
numerical, wherever possible, which provide specific, detailed parameters for the design of new
Local Plan, Monitoring, Neighbourhood Plans, Brownfield Register, Self Build and Custom Build Registers
Yes. Additional planning restrictions may apply in conservation areas or where Article 4 directions remove permitted development rights.
Planning applications for annexe projects in Dover are handled by the local planning authority covering Dover, Kent.
For official planning advice consult the council planning portal for your area or visit the UK Planning Portal.
This guide summarises planning rules affecting annexe developments in Dover.
Planning regulations may change and additional local planning policies may apply. Always confirm planning requirements with your local planning authority before starting development.
Last updated March 2026