© Crown copyright and database rights 2025 Ordnance Survey 0100031673

AddressBase provides a current view of all Royal Mail Postcode Address File (PAF) addresses that have been matched to Local Authority records (29 million addresses). Enhances PAF attribution with X, Y coordinates (British National Grid) and Latitude, Longitude coordinates (ETRS89 projection) and a property function classification (residential, commercial) to locate an address on a map.