AddressBase Core Technical Specification

This technical specification provides detailed technical information about AddressBase Core. It is targeted at technical users and software developers.

AddressBase Core is a simple, accessible addressing data product giving Plug and Play access to Great Britain addressing data and additional attribution, without being time-consuming or complex. It provides live addressing records for England, Wales and Scotland based on Local Authority holdings of the Local Land and Property Gazetteer (LLPG). 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.

This technical specification includes the following sections:

• Data formats

• Supply and update

• Attributes

• Code lists and enumerations

• Example records

All AddressBase products include the Unique Property Reference Number (UPRN) and are based on same coordinate reference systems.

Please see the General AddressBase information section for additional information that applies across all AddressBase products.