Do I Need Full Planning Permission?

If your project involves the creation of a new dwelling (either a self build or subdividing an existing home), then planning permission is normally required. Larger outbuildings or extensions, or builds/improvements in designated areas or involving listed buildings, are also likely to require planning permission.

What is the maximum size you can build without planning permission?

The permitted development rules have recently been relaxed, allowing you to build an extension without planning permission of up to six metres (or eight metres if your house is detached).

What can you build without planning permission?

Outbuildings such as sheds, garages, greenhouses and some other structures are also considered to be permitted development. You can build a garage or outbuilding on your property without planning permission as long as it's of a reasonable size – no higher than 4 metres.