ONS UPRN Directory: GB Address to Administrative Geography Links (April 2022)

April 2022's ONS UPRN Directory (ONSUD) relates the Unique Property Reference Number for each address in Great Britain to statutory administrative, electoral, health, and other statistical geographies. The directory is produced by ONS Geography and is issued every 6 weeks to complement the Ordnance Survey AddressBase product. The file size for this release is 544 MB.

Use Cases

• Geocoding and spatial analysis based on the linkage of addresses to administrative and health geographies.
• Enriching address datasets with electoral and statistical boundary information based on the UPRN-to-geography mapping.
• Validating or standardizing address data against the authoritative AddressBase reference system mentioned in the description.

Strengths

• Links each address to a range of current statutory geographies, providing a multi-purpose reference.
• Issued every 6 weeks, suggesting a commitment to regular updates.
• File size of 544 MB indicates a substantial dataset covering all of Great Britain.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from April 2022; freshness should be verified for current applications.
• Row count is unknown, which may limit suitability assessment for specific tasks.

Provenance

Source

Office for National Statistics (ONS) Geography, using AddressBase® Epoch 91.

Collection Method

Produced by ONS Geography to complement Ordnance Survey AddressBase.

Time Range

Snapshot as of April 2022.

Freshness

Issued every 6 weeks; snapshot is from April 2022.

Geography

Great Britain.