Get started with free digital map data
We offer a range of quality assured, regularly updated products that enable you to analyse your data, build interactive websites and create stunning visuals – and they're all free. All we ask is an acknowledgement.
OS OpenData can be combined with other open datasets available from a variety of sources. Many organisations and individuals have already done just that to create a diverse range of innovative applications – could yours be next?
From a map of Britain, OS OpenData products take you right down to street level. They include backdrop maps, boundaries, postcodes and more.
As long as you credit OS OpenData, you're free to use these products in any way you wish, provided that it's not against the law.
As you start your OS OpenData journey, there's an active community of knowledgeable people ready to offer useful advice.
Look at maps of Great Britain using OS OpenData products; you can zoom right in to street level and see electoral boundaries.
To use your OS OpenData files, you'll need to get software to use it. There's a wide range to choose from, including free open-source options.
Our highly-detailed virtual world, GB Minecraft 2, is now out. It's a great illustration of how you can use OS OpenData for gaming.
Try our data
If you want to try Open Data today as either a download or DVD, please use our online ordering portal.
Using the OS OpenSpace API, you can embed and annotate our maps for free on your non-commercial website or mobile app.
Get support for the full range of OS OpenData products: useful downloads: FAQs, user guides,downloads – it's all here.