Ordnance Survey AddressBase Premise level coordinates Delivered as a web service
Search by postcode or part of an address and return all of the matching addresses
Retrieve all of the information associated with a Unique Property Reference Number (UPRN)
Locate properties and points of interest within range of a position or within a bounding box
You can now lookup 3 word location codes from what3words using UPRN, postcode or address fragment, with our AddressBase Premium API. Also search for properties using what3words instead of longitude and latitude coordinates.
Read more about Allies' partnership with what3words »
Make half-completed addresses filled with typos a thing of the past. Capture accurate addresses from the start.
Use the property-level coordinates in AddressBase Premium to highlight nearby assets to those with GPS-enabled devices.
Help your staff spend less time typing in addresses and more time concentrating on your customers and their needs.
Sign up for an API key and get free lookups to try
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