ONS UPRN Directory: Great Britain Address to Geography Links, January 2023

The ONS UPRN Directory for Great Britain as at January 2023 relates Unique Property Reference Numbers (UPRNs) to statutory administrative, electoral, health, and other statistical geographies. It is produced by ONS Geography to complement the Ordnance Survey AddressBase product and is issued every 6 weeks. The file size is 492 MB and contains intellectual property from Royal Mail, Gridlink, Ordnance Survey, and the ONS.

Use Cases

• Link address records to administrative boundaries for demographic analysis based on the statutory geography mappings.
• Support electoral roll management and constituency analysis based on the electoral geography links.
• Enable public health research by relating patient addresses to health authority geographies.
• Perform property market analysis by joining transaction data to a consistent property identifier (UPRN).
• Create aggregated statistical reports by rolling up address-level data to higher-level geographies.

Strengths

• Links every GB address from AddressBase Epoch 98 to multiple current statutory geographies.
• Issued on a regular 6-week update cycle, suggesting ongoing maintenance.
• Produced by ONS Geography, the authoritative geographic body for UK national statistics.
• Designed to complement the industry-standard Ordnance Survey AddressBase product.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic and temporal bias inherent to the source systems as of January 2023.

Provenance

Source

Office for National Statistics (ONS) Geography.

Collection Method

Produced by relating UPRNs from Ordnance Survey AddressBase to statutory geography codes.

Time Range

Snapshot as of January 2023.

Freshness

Data snapshot is from January 2023; metadata was last updated on the platform 2025-08-11.

Geography

Great Britain.