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How to access Ordnance Survey's AddressBase®

The AddressBase range of products is available free at the point of use for every organisation working in the public sector.  Businesses can also access this data via a range of licences and web services.

Which addressing do I need?

See the full range of OS AddressBase products. Explore the benefits and features, and see how the licensing choices that are available to you.

Why choose AddressBase?

Ordnance Survey's addressing product, AddressBase, matches over 29 million Royal Mail postal addresses to Unique Property Reference Numbers (UPRN) – adding a geographical dimension to the matched records. It’s the nation’s most authoritative, current, and accurate data. AddressBase is the only addressing you need to be assured of working with the ‘single point truth’, in every situation.

Find out more about addressing

Learn about addressing in the UK, and how it can be used to deliver better services.