Porch in Cornwall
Do you need planning permission for a porch in Cornwall? Here is what the permitted development rules say, how Cornwall Council’s designations change them, and what decides an application, grounded in the official guidance and quoted verbatim.
Do you need planning permission for a porch in Cornwall?
A porch is usually permitted development under Class D if it stays under 3 square metres, below 3 metres high, and at least 2 metres from any boundary fronting a highway. Whether a porch needs permission in Cornwall still depends on your exact address and the designations on it.
The starting point
A porch is usually permitted development under Class D if it stays under 3 square metres, below 3 metres high, and at least 2 metres from any boundary fronting a highway.
“This provides permitted development rights for the erection of a porch outside any external door of a house.”PD technical guidance, Class D · full text in the library → · official source →
How Cornwall’s designations apply
| Designation in Cornwall | Published |
|---|---|
| Conservation areas | 145 |
| Article 4 directions (PD removed) | 0 |
| Listed building outlines | 0 |
In a conservation area or on a listed building the appearance against the front elevation is assessed, even where the size limits are met. Counts are read live from planning.data.gov.uk; your report checks them against your exact address.
What Cornwall weighs
In a conservation area or on a listed building the appearance against the front elevation is assessed, even where the size limits are met.
Get a planning report for your Cornwall address
A Planning Policy report reads the designations on your exact Cornwall address, quotes the Cornwall Council and national policies that apply to a porch, and (on Pro) shows decided applications nearby with outcomes.