National Statistics UPRN Lookup: User Guide for Address and Postcode Methodology

Government Digital Service provides a user guide for the National Statistics UPRN Lookup (NSUL) from October 2022. The guide details directory content, data currency, methodology for assigning areas to postcodes, formats, quality, limitations, and recent changes. It includes PDF and ODT versions, with a file size of 344 KB.

Use Cases

• Understand the methodology for assigning geographic areas to postcodes based on the guide's description.
• Assess data quality and limitations for address-based projects using the documented criteria.
• Reference recent changes impacting the NSUL data for accurate historical analysis.

Strengths

• Includes detailed methodological documentation for area-to-postcode assignment.
• Provides both PDF and ODT versions of the guide, offering format flexibility.
• Explicitly covers data quality, limitations, and recent changes affecting the data.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Government Digital Service

Collection Method

Methodology for assigning areas to postcodes is documented.

Time Range

October 2022

Freshness

Last updated 2025-08-11 08:12:43; freshness should be verified.

Geography

Likely United Kingdom, based on 'National Statistics' and 'postcodes'.