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AddressBase
Ordnance Survey's addressing product, AddressBase® matches 29 million Royal Mail postal address to unique property reference numbers (UPRN), bringing a geographical dimension to... -
AddressBase Core
In this ever-changing environment you need to have confidence that you're using the latest and most up-to-date addressing data. AddressBase Core is released weekly, keeping you... -
ONS UPRN Directory User Guide (April 2022)
This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality...