National Statistics Postcode Lookup: UK Geographic Reference Guide

February 2017 version of the UK National Statistics Postcode Lookup user guide, published by the Government Digital Service. The guide details the methodology for assigning administrative areas to postcodes, data formats, quality, and limitations. It was last updated on the platform on August 11, 2025.

Use Cases

• Link postcodes to administrative and statistical areas based on the described assignment methodology.
• Assess data quality and limitations for UK geographic analysis projects.
• Understand the structure and currency of the National Statistics Postcode Lookup data files.

Strengths

• User guide provides detailed methodology for area assignment, which suggests structured data generation.
• Includes information on data quality and limitations, indicating documented transparency.

Limitations

• Row count and column-level documentation are absent; field semantics must be inferred after download.
• The core data snapshot is from February 2017, which may limit current applicability.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Government Digital Service

Collection Method

Methodology for assigning administrative and statistical areas to UK postcodes.

Time Range

February 2017

Freshness

Last updated 2025-08-11 07:49:04; freshness should be verified

Geography

United Kingdom