AddressBase Core Overview
This overview introduces AddressBase Core, giving context for all users – highlighting key features, providing examples of potential uses, and listing details such as file sizes, supply formats, etc.
AddressBase Core is a simple and accessible addressing data product designed to remove the need for pre-processing and complexity. It provides Plug and Play access for addressing data and additional attribution in Great Britain.
AddressBase Core includes approved addressing records for England, Wales and Scotland based on Local Authority holdings of the National Land and Property Gazetteer (NLPG) and One Scotland Address Gazetteer (OSG). Other attribution includes secondary level classifications (detailing the use and type of an address) and a representative point code describing the positional quality of coordinates.

All approved addresses for where you can work, rest or play.
Each address is given a Unique Property Reference Number (UPRN) which will remain with that address throughout its lifecycle.
Property level coordinates.
Secondary level classifications for each property, for example, residential dwelling, commercial office.
Identifiers for other OS products and third party datasets, including the Royal Mail Postcode Address File (PAF), Unique Delivery Point Reference Number (UDPRN) and Office for National Statistics Governmental Statistical Service (GSS) codes.
Address data sourced from local authorities, which are legally responsible for the naming and numbering of all addresses in the UK.
Addresses complemented with Royal Mail PAF information such as Organisation name, Post Town and Postcode, where matched.
Single Line address – A concatenation of all provided address elements into a comma separated single attribute ready to be printed onto an envelope, loaded into a CRM or provided within an address look-up service.
Index
This overview includes the following sections:
Last updated
Was this helpful?