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OS OpenData support

OS OpenData are a set of free digital maps of Great Britain, available for anyone to use, for any purpose.

Getting started

Find out how to get started using OS OpenData - our free to use digital map data. You'll need GIS software to get the most from it.

Getting started guide (PDF)

View examples of our products including OS Open Zoomstack and OS Open Greenspace. Our getting started guide tells you how to use our mapping data.

More free map data

We also offer a wide range of commercial products which you can develop, test and include in your applications.