Planning permission

Planning permission and building regulations

  • Which? guide to the planning permission maze
  • Tips to make your planning application a success
  • Advice about when building regulations apply and when they don't

Which? Archive

This article, Planning permission and building regulations, was last updated on 12 May 2009 and is now out of date and held in our online archive for reference. Explore our latest Home & garden articles.

What's in this guide

How planning permission works

If you're carrying out home improvements, you may need planning permission. This guide explains about planning permission and building regulations.

Planning permission for flats

Do you own a flat? Plan to build a conversion on your property? We explain the rules and regulations of planning permission for flats.

Building regulations

In addition to planning permission, you may also need to comply with building regulations. We explain how they work.

Selling your property

It's vital you keep all paperwork relating to planning applications and building regulations, as you'll need them when you come to sell your home.

Party walls

If you want to carry out home improvements that fall under the Party Wall Act, you need to get permission from your neighbours.

Planning permission in Scotland and Northern Ireland

Which? advice about planning permission and building warrants in Scotland and Northern Ireland.