ONS UPRN Directory: Great Britain Address to Geography Linkage (August 2022)

The ONS UPRN Directory (ONSUD) relates Unique Property Reference Numbers (UPRNs) for addresses in Great Britain to various administrative and statistical geographies. It is produced by ONS Geography and issued every six weeks to complement the Ordnance Survey AddressBase product. This version is from August 2022 and is a 518 MB file.

Use Cases

• Link property addresses to administrative boundaries for service delivery planning based on the statutory geography linkages.
• Enrich address data with health geography codes for public health analysis based on the described health geography mappings.
• Support electoral boundary analysis and voter registration by relating addresses to electoral geographies mentioned in the description.
• Perform statistical analysis by joining address-level data to higher-level geographies based on the UPRN-to-geography relationships.

Strengths

• Links addresses to a range of current statutory geographies, providing authoritative administrative, electoral, and health mappings.
• Issued on a regular six-week update cycle, suggesting ongoing maintenance.
• File size is 518 MB, indicating a substantial dataset.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Contains intellectual property from multiple organizations (Royal Mail, Gridlink, Ordnance Survey, ONS), which may impose usage restrictions.

Provenance

Source

Office for National Statistics (ONS) Geography, via the Government Digital Service.

Collection Method

Derived from Ordnance Survey AddressBase® Epoch 94.

Time Range

Snapshot as of August 2022.

Freshness

Data snapshot is from August 2022; metadata was last updated on 2025-08-11.

Geography

Great Britain.