ONS UPRN Directory: Great Britain Address to Geography Linkages for July 2024

499 MB of data linking every Unique Property Reference Number (UPRN) in Great Britain to current administrative, electoral, and health geographies. The ONS Geography team produces this directory every six weeks to complement Ordnance Survey's AddressBase product. This version is based on AddressBase Epoch 111 and was updated on the platform on August 11, 2025.

Use Cases

• Enrich address data with administrative boundaries for demographic analysis based on the linked statutory geographies.
• Support electoral roll management and constituency analysis based on the linked electoral geographies.
• Facilitate public health research by linking addresses to health service geographies mentioned in the description.
• Integrate property-level data from different sources using the standardized UPRN as a common key.

Strengths

• File size of 499 MB suggests a substantial and detailed national-scale dataset.
• Produced by the official ONS Geography team, indicating authoritative sourcing.
• Updated every six weeks, implying a commitment to temporal accuracy.
• 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 for large-scale processing.
• Contains multiple intellectual property rights (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

Likely derived from Ordnance Survey AddressBase® and linked to statutory geography codes.

Time Range

Snapshot as of July 2024.

Freshness

Data snapshot is from July 2024; the directory is issued every 6 weeks.

Geography

Great Britain.