National Statistics UPRN Lookup: User Guide for UK Address and Postcode Mapping

UK address and postcode mapping data from the Government Digital Service. The user guide provides information on directory content, data currency, methodology, formats, quality, and recent changes. It was last updated on the platform in August 2025.

Use Cases

• Link statistical data to physical addresses based on the Unique Property Reference Number (UPRN) system.
• Understand the methodology for assigning administrative areas to postcodes for geographic analysis.
• Assess data quality and limitations for integration into mapping or analytics projects.

Strengths

• User guide includes detailed annexes and tables for supporting information.
• Provides both PDF and ODT versions of the documentation for accessibility.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and actual data quality require manual inspection after download.

Provenance

Source

Government Digital Service

Collection Method

Methodology for assigning areas to postcodes is described in the guide.

Time Range

March 2022 (referenced in title)

Freshness

Last updated 2025-08-11 07:49:54; freshness should be verified.

Geography

United Kingdom (implied by 'National Statistics' and ONSUD)