AddressBase Core
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Local Authority data is at the heart of AddressBase Core. This data provides you with a complete address product; access to over 33 million addresses each unique referenced with the Unique Property Reference Number (UPRN) and property level coordinates.
AddressBase Core takes many of the important elements from the other AddressBase products, such as coordinates, classification and cross-references to connect address information to other products via key identifiers.
AddressBase Core's primary source of addressing information is Local Authority data from the National Land and Property Gazetteer (NLPG) and One Scotland Gazetteer (OSG). They have the legal responsibility to capture and maintain address data for Great Britain, so you are assured of its authenticity and legal nature.
Address information is provided in an easy-to-use format alongside a single line attribute which concatenates all the address elements into what you would expect to see on an envelope. It is updated weekly and is offered in an easier to digest format to make the product as easy to access and use as possible.
Customers have asked for easy file formats, so CSV and GeoPackage are available for this product, with headers included – removing the need for any post-processing. Simply load, or drag and drop into a GIS package to start analysing.
AddressBase Core provides 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 property-level coordinates and secondary level classifications (detailing the use and type of an address).
Through property classification attributes, you can quickly understand, locate and perform analysis on the type of addresses you want to interact with.
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.
AddressBase Core is released weekly, keeping you more up to date with changes.
Access to this product is free for PSGA (Public Sector Geospatial Agreement) Members. You can check if your organisation is a member of the PSGA on the OS website.
The AddressBase Core product page on the OS website has advice on how to get the product for businesses, developers, Partners and PSGA Members (i.e. government and the public sector).
Alternatively, you can try out the full product by applying for a Data Exploration license.
You can download sample data for the product for free from the OS Data Hub. The sample data are available in CSV format and cover one area (Exeter).
To access additional documentation and resources relating to this product, please refer to the following:
This product is available to try out free online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:
