Planning Policy
Planning Policy / Planning / Bath and North East Somerset / Convert a house into flats

Convert a house into flats in Bath and North East Somerset

Do you need planning permission for a conversion into flats in Bath and North East Somerset? Here is what the permitted development rules say, how Bath and North East Somerset Council’s designations change them, and what decides an application — grounded in the official guidance, quoted verbatim.

The short answer

Do you need planning permission for a conversion into flats in Bath and North East Somerset?

Subdividing one dwelling into two or more is a material change of use: there are no householder permitted development rights for it, so every conversion is a full planning application. Whether a conversion into flats needs permission in Bath and North East Somerset still depends on your exact address and the designations on it.

1.0 — The permitted development position

The starting point

Subdividing one dwelling into two or more is a material change of use: there are no householder permitted development rights for it, so every conversion is a full planning application.

2.0 — What changes it in Bath and North East Somerset

How Bath and North East Somerset’s designations apply

Designation in Bath and North East SomersetPublished
Conservation areas35
Article 4 directions (PD removed)0
Listed building outlines0

Quality decides it — room sizes against space standards, layouts, light and outlook, and amenity space. The principle of conversion is usually supported; poor internal quality is where schemes fail. Counts are read live from planning.data.gov.uk; your report checks them against your exact address.

3.0 — How it’s decided

What Bath and North East Somerset weighs

Quality decides it — room sizes against space standards, layouts, light and outlook, and amenity space. The principle of conversion is usually supported; poor internal quality is where schemes fail.

Read the full convert a house into flats guide →

4.0 — A worked example

See a conversion into flats in a real report

A change of use inside the Maritime Greenwich World Heritage Site — housing policy and heritage weighed together, 78% of 267 nearby decisions approved.

Read the house into two flats in greenwich case study →

Your report

Get a planning report for your Bath and North East Somerset address

A Planning Policy report reads the designations on your exact Bath and North East Somerset address, quotes the Bath and North East Somerset Council and national policies that apply to a conversion into flats, and — on Pro — shows decided applications nearby with outcomes.

5.0 — Questions

Convert a house into flats in Bath and North East Somerset, answered

Do I need planning permission for a conversion into flats in Bath and North East Somerset?
Subdividing one dwelling into two or more is a material change of use: there are no householder permitted development rights for it, so every conversion is a full planning application. Whether a conversion into flats needs permission in Bath and North East Somerset still depends on your exact address and the designations on it.
Does a conservation area affect a conversion into flats in Bath and North East Somerset?
It can. Even where the size limits are met, Bath and North East Somerset Council assesses the appearance of a conversion into flats against the character of a conservation area, and on a listed building separate consent is required.
How does Bath and North East Somerset decide a convert a house into flats application?
Quality decides it — room sizes against space standards, layouts, light and outlook, and amenity space. The principle of conversion is usually supported; poor internal quality is where schemes fail. A Planning Policy report quotes the specific Bath and North East Somerset Council Local Plan and national policies that apply, verbatim, and shows decided applications nearby.
6.0 — More for Bath and North East Somerset

Other projects in Bath and North East Somerset