Planning Policy

Porch in Lewisham

Do you need planning permission for a porch in Lewisham? Here is what the permitted development rules say, how London Borough of Lewisham’s designations change them, and what decides an application, grounded in the official guidance and quoted verbatim.

Front entrance and porch of a period house
Porch: small footprint, strict front-elevation limits
The short answer

Do you need planning permission for a porch in Lewisham?

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 Lewisham still depends on your exact address and the designations on it.

1.0: The permitted development position

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 →
2.0: What changes it in Lewisham

How Lewisham’s designations apply

Designation in LewishamPublished
Conservation areas30
Article 4 directions (PD removed)89
Listed building outlines364

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.

3.0: How it’s decided

What Lewisham 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.

As a London borough, London Borough of Lewisham also decides against the London Plan 2021 (the strategic policy layer for all 33 boroughs), alongside national policy and its own Local Plan.

Your report

Get a planning report for your Lewisham address

A Planning Policy report reads the designations on your exact Lewisham address, quotes the London Borough of Lewisham and national policies that apply to a porch, and (on Pro) shows decided applications nearby with outcomes.

5.0: Questions

Porch in Lewisham, answered

Do I need planning permission for a porch in Lewisham?
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 Lewisham still depends on your exact address and the designations on it.
Does a conservation area affect a porch in Lewisham?
It can. Even where the size limits are met, London Borough of Lewisham assesses the appearance of a porch against the character of a conservation area, and on a listed building separate consent is required.
How does Lewisham decide a porch application?
In a conservation area or on a listed building the appearance against the front elevation is assessed, even where the size limits are met. A Planning Policy report quotes the specific London Borough of Lewisham Local Plan and national policies that apply, verbatim, and shows decided applications nearby.
6.0: More for Lewisham

Other projects in Lewisham