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29 April 2025

This release note provides information about the release of the AddressBase Core product on 29 April 2025.

Record counts

Product
Full Supply Record Count
Change-Only Update Record Count

AddressBase Core

34 629 243

35 585

Please note that the Full Supply record count is based on a Managed Great Britain Set (MGBS). If you ordered your national coverage via the online ordering system using a polygon outline, your counts may differ.

Product supply comparison

There is a difference in record counts between taking a national Managed Great Britain Set (MGBS) and the national 5km-tile supply. This is because the two supplies use different selection criteria. The difference in record counts is shown in the following table, allowing you to validate your data holdings once you have loaded the latest release of AddressBase Core.

Product
MGBS Full Count
National 5km Tiled Supply
Difference

AddressBase Core

34 629 243

34 629 234

9

A small difference in record counts is expected due to there being several features supplied in the MGBS which fall outside of the tiled area.

Changed records

If you receive a Change-Only Update (COU) supply for your AddressBase Core product, you will receive Insert, Update and Delete records within the supplied file. The following table details the numbers of these records which can be expected in the COU supply of the product:

Source data currency

The following information relates to the currency of the source data used in the creation of this release of AddressBase Core:

Known data issues