National Statistics Postcode Lookup User Guide (August 2018)

A 488 KB HTML user guide for the National Statistics Postcode Lookup (NSPL) dataset, published by the Government Digital Service. The guide details directory content, data currency, methodology for assigning areas to postcodes, data formats, quality limitations, and recent changes. It includes annexes and tables for supporting information.

Use Cases

• Understand the methodology for assigning administrative areas to UK postcodes based on the guide's detailed explanation.
• Assess data quality and limitations for geospatial analysis projects based on the described quality section.
• Interpret the NSPL data format and structure for integration into data pipelines based on the provided format details.

Strengths

• User guide is 488 KB in size, providing detailed supporting information.
• Published by the authoritative Government Digital Service.
• Covers methodology, data currency, formats, and limitations explicitly.

Limitations

• The guide is a document, not the actual dataset; the underlying data must be sourced separately.
• Data is from August 2018, which may be outdated for current analyses.
• Column-level documentation for the actual dataset is absent and must be inferred from the guide or other sources.

Provenance

Source

Government Digital Service

Collection Method

Methodology for assigning statistical areas to postcodes is described.

Time Range

Referenced data is from August 2018.

Freshness

Last updated 2025 08 11 07:49:24; the guide's content references data from August 2018.

Geography

Likely covers the United Kingdom, given the 'National Statistics' and 'postcode' context.