ONS UPRN Directory: Great Britain Address to Geography Linkage (July 2021)

656 MB of linkage data relates every Unique Property Reference Number (UPRN) in Great Britain to statutory administrative, electoral, health, and statistical geographies. The ONS UPRN Directory is produced by ONS Geography and issued every 6 weeks to complement Ordnance Survey AddressBase®. This version is based on AddressBase® Epoch 85 and was published by the Government Digital Service.

Use Cases

• Link individual addresses to administrative boundaries for demographic analysis based on the described geography linkages.
• Enrich address data with electoral and health geographies for public service planning based on the described statutory geographies.
• Create master property reference keys for data integration across systems based on the Unique Property Reference Number (UPRN).

Strengths

• Covers every address in Great Britain via the UPRN system.
• Links addresses to multiple current statutory geographies including administrative, electoral, and health boundaries.
• File size is 656 MB, indicating substantial detail.
• Produced by ONS Geography, the authoritative geographic support unit for the UK's Office for National Statistics.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from July 2021; freshness should be verified for current applications.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics (ONS) Geography

Collection Method

Derived from Ordnance Survey AddressBase® Epoch 85.

Time Range

Snapshot as of July 2021.

Freshness

Snapshot from July 2021; metadata last updated 2025-08-11 07:47:28.

Geography

Great Britain