AddressBase Premium Technical Specification

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

AddressBase Premium provides the most detailed view of an address and its life cycle for England, Wales and Scotland. It has more records than AddressBase Plus as it provides all information relating to an address or property from its creation to retirement.

The product contains Local Authority, Ordnance Survey and Royal Mail addresses. This includes alternative addresses for current records where available, indicating variations on the official addresses; and provisional addresses (proposed planning developments), and historic information (no longer existing, for example demolished properties) where available. OWPA (Objects Without a Postal Address) and cross references to VOA (Valuation Office Agency) data and products such as OS MasterMap Topography Layer are also included.

This technical specification includes the following sections:

• Data formats

• Supply and update

• AddressBase Premium structure

• Feature types

• Structured data types

• Dataset metadata

• Attribute format comparison

• 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.