ONS UPRN Directory: GB Address Links to Administrative Geographies (March 2024)

The ONS UPRN Directory (ONSUD) for Great Britain as at March 2024 relates each address's Unique Property Reference Number (UPRN) from AddressBase® Epoch 108 to current statutory administrative, electoral, health, and other statistical geographies. ONS Geography produces this directory, which is issued every 6 weeks to complement the Ordnance Survey AddressBase® product. The downloadable file for this epoch is 498 MB in size.

Use Cases

• Geocode addresses to administrative boundaries based on the linked statutory geographies.
• Analyze property distribution across electoral or health regions based on the UPRN-to-geography mapping.
• Enrich address data with statistical area classifications for demographic or economic modeling.
• Validate and maintain address reference systems by leveraging the 6-week update cycle.

Strengths

• Links every GB address UPRN to multiple current geographies, providing a comprehensive cross-reference.
• Produced and updated every 6 weeks by the authoritative ONS Geography team.
• File size of 498 MB suggests a substantial dataset covering the entirety of Great Britain.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for specific scale requirements.
• 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, using Ordnance Survey AddressBase® Epoch 108.

Collection Method

Produced by ONS Geography to provide geographic support and services.

Time Range

Snapshot as of March 2024 (Epoch 108).

Freshness

Data snapshot is from March 2024; the platform record was last updated on 2025-08-11.

Geography

Great Britain.