This guide explains planning permission rules affecting porch developments in Gravesham.
Most householder development follows national permitted development rules unless local restrictions apply.
Development must comply with national permitted development height limits.
Extensions must comply with national permitted development depth limits.
A neighbour notification letter sent to owner/occupiers of adjoining properties by post.
It is your responsibility to check whether you need planning permission. If you are in doubt, you can apply for a Lawful Development Certificate (existing or proposed) which is proof that your building work is lawful. You will have to pay a fee,
External agencies such as the Environment Agency, Natural England, Historic England and Kent County Council Highways operate their own paid for preliminary advice services, please contact these providers direct to seek estimation of costs, understanding of timescales and for their advice.
The Gravesham Local Plan Core Strategy Policies Map (2014) accompanies the Core Strategy and shows where land-based area policies apply. These policies include areas for protection such as SSSI’s, conservation areas and town centre boundaries, and identify sites for particular land uses. The Policies Map includes the allocations for all the saved policies in the Gravesham Local Plan First Review.
Listed buildings, buildings at risk, archaeology, nature conservation, the environment and more.
Last verified 2026-01
UK permitted development legislation allows many porch projects without planning permission provided certain limits are followed.
However local planning authorities such as those covering Gravesham may impose additional planning controls through conservation area policies or Article 4 directions.
Many porch projects in Gravesham may fall under permitted development rights if they remain within national planning limits.
Development must comply with national permitted development height limits.
A neighbour notification letter sent to owner/occupiers of adjoining properties by post.
Yes. Additional planning restrictions may apply in conservation areas or where Article 4 directions remove permitted development rights.
Planning applications for porch projects in Gravesham are handled by the local planning authority covering Gravesham, 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 porch developments in Gravesham.
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