Open data products
OS open data products (OS OpenData) are a set of free digital maps of Great Britain, available for anyone to use, for any purpose. Choose from 12 products - all we ask is that you acknowledge us.
Open Map Local backdrop map showing OS street view data
You can then view all our free products - we offer 12 free OS map data products including data on roads, rivers, and boundaries.
OS Open Roads map data
We support the Open Data Institute (ODI) to help people develop ideas with trusted data.
Need help using our open data?
Boundary-Line OpenData shows boundaries in GB
If you're a developer, check out our API section for product guides and documentation.
For ideas on what to do with our free maps, see how other people have used OS data. You may want to include it in your website or presentations, or print out map visuals for your wall.
Looking for more free map data?
We also offer a wide range of commercial products which you can develop, test and include in your applications. Try OS data for free before you commit to a commercial licence.
We're also opening up our OS MasterMap data for businesses and developers to use.