September 2025

This release note provides information about the September 2025 release of OS Open UPRN.

Source data currency

The following information relates to the currency of the source data used in the creation of this release of OS Open UPRN:

Data source	Date
National Land and Property Gazetteer	07 August 2025

Feature count

Feature	Count
OS Open UPRN	41 270 485

Next release

The next release of OS Open UPRN is scheduled for October 2025.