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 more up to date with change. AddressBase Core's primary source of addressing information is local authority data. They have the legal responsibility to capture and maintain address data for Great Britain, so you can be sure of its authenticity and legal nature. Also, we're including accurate locations for around 33 million addresses, as well as additional information on the usage of the address. Full Great Britain only; user defined areas of interest planned. Contains local authority addresses supplemented with Royal Mail postal address information, where matched to a UPRN; coordinates for each address; addresses with multiple occupants, secondary level classification. OS MasterMap Topography Layer TOID, and Integrated Transport Network TOIDs, Unique Street Reference Number (USRN).