Understanding your planning options
Permitted development and full planning applications follow different rules. Start by understanding which route fits your proposal.
Read the original guidePlanning FAQs
Frequently asked planning questions.
Straight answers to the questions we hear from homeowners and professional teams, written by the planners who handle these applications every day.
In-depth guides
Do I need planning permission? A guide for London homeowners
When extensions and loft conversions need planning permission, when permitted development may apply, and how to check before you build.
Read the guideHMO planning permission in London: Class C3, C4 and sui generis
How planning use classes apply to HMOs in London, when an Article 4 direction means you need permission, and what to prepare.
Read the guideWhen to make a planning appeal
A practical introduction to reviewing a refusal and deciding whether an appeal is the right next step.
Read the original guideTwo neighbours, one extension
What adjoining homeowners should consider when exploring coordinated extension proposals.
Read the original guide