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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 geospatial data. You'll need GIS mapping software to get the most from it.

Free map data

We offer a wide range of commercial products which you can develop, test and include in your applications. These are available via manual and automated downloads or data APIs that integrate with user software.