Official OS Places Address Search Database
Ordnance Survey Address Search
Lookup authoritative addresses, retrieve Unique Property Reference Numbers (UPRNs), inspect coordinates, verify street matching postcodes, and check property classification types.
OS Address Database Licensing Notice
Sourced from api.os.uk. OS Places is not an unrestricted open address database. Free transaction allowances apply, and limits must be monitored for large-scale production integrations.
Presets:
Running address validation query on OS database...