From Parliamentary constituencies to council wards, Boundary-Line™ maps every administrative boundary in detail for you. And what's more, it's completely free to download and use.
OS Downloads API
Save valuable time by automating the discovery and download of detailed OS data.
The latest product in the AddressBase® family is updated weekly as well as being the simplest to use without compromising on accuracy.
Get started with geographical analysis, simple route planning and asset management.
Ordnance Survey's addressing product, AddressBase® matches 29 million Royal Mail postal address to unique property reference numbers (UPRN), bringing a geographical dimension to the matched records.
GB Counties - Past and Present
Explore the county boundaries of Great Britain throughout time with our counties map.
OS Open Names
A comprehensive dataset containing the names and locations of named places across Great Britain
Our flagship address database, AddressBase® Premium gives you up to date, accurate information about addresses, properties and land areas.
Code-Point with Polygons
Code-Point® with Polygons shows the notional shape of every postcode unit in Great Britain, and includes major buildings with multiple postcodes.