AddressBase Plus contains current properties using addresses sourced from Local Authorities, Ordnance Survey and Royal Mail for England, Wales and Scotland. The product currently contains approximately 35 million records. OS AddressBase Plus is provided on a six week update cycle.
All address records are provided with an UPRN (Unique Property Reference Number), and the product contains all current addresses validated from Local Custodians and additional Royal Mail attribution where matched.
The product enables the end-user to locate an address or property on a map using either X & Y coordinates supplied on the British National Grid or Latitude and Longitude coordinates provided on an ETRS89 projection. The product also includes cross references to OS MasterMap Topography Layer TOID references.