Ordnance Survey Places API
Use this API for looking up and validating addresses, typically before updating patient details in the Personal Demographics Service.
identify UK addresses
verify the address records you are capturing against authoritative data from Ordnance Survey’s AddressBase® Premium and AddressBase® Premium - Islands
make requests using a full or partial address, a postcode, or a Unique Property Reference Number (UPRN)
find addresses closest to a given point
find all the known addresses within a user-defined area, bounding box or circle
verify an address before updating a patient's details in the Personal Demographics Service
This API is a third party API recommended for UK government services.
Data update frequency
The address, geometry and UPRN data is available for the UK and Isle of Man. The address and UPRN data is available for Jersey and Guernsey.
This data is updated every 6 weeks.
This API has seven types of request in two categories.
Capture and verification category:
Find - a free text search for quick use
Postcode - a search based on a property’s postcode
UPRN - a search that takes a UPRN as the search parameter
Nearest - finds the closest address to a given point
Bounding box - finds all addresses inside a bounding box
Radius - finds all addresses that intersect a given circle
Polygon - finds all addresses in a polygon or multi-polygon object
For more information, see the Technical Specification.