Property and political boundaries


We survey physical features on the ground but don't record legal boundaries. If you want to find out who is responsible for a wall, fence or hedge, learn more on about your property boundaries.

We also publish a comprehensive FAQ.


Election maps – Search our interactive map of election boundaries including Northern Ireland.
County maps – Discover our interactive map of GB with county boundaries past and present.
Outline maps
– Free downloadable maps in a variety of formats for presentations, leaflets and more.
OS OpenSpace
– A free API that allows you to embed and use our maps in website or mobile applications.
Boundary-Line – Use our boundary mapping data to enhance analysis of demographic, social or political data.

Maps for your planning application or land registration? Find a local map supplier | Choose an online map provider