National Statistics Postcode Lookup: UK Postcode to Administrative Area Mapping
Updated 10mo ago
1filesHTML
Available on 1 platform
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Description
National Statistics Postcode Lookup (NSPL) provides a mapping between UK postcodes and various administrative, health, and electoral geographies. The February 2021 User Guide details the methodology, data formats, quality, and recent changes impacting the data. This guide, published by the Government Digital Service, is a 602 KB HTML document.
Use Cases
Enrich customer records with geographic classifications based on postcode-to-area mapping methodology.
Aggregate business data by electoral ward or health region using the area assignment logic described.
Assess data quality for location-based models by reviewing the documented limitations and currency.
Strengths
User Guide is a 602 KB document providing structured documentation.
Includes details on methodology for area assignment and data quality limitations.
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.
Last updated 2025-08-11 07:49:42; freshness should be verified.
Provenance
Source
Government Digital Service
Collection Method
Methodology for assigning statistical areas to postcodes is described in the guide.
Time Range
Referenced data is from February 2021.
Freshness
2025-08-11 07:49:42
Geography
United Kingdom (implied by UK postcodes and National Statistics)
The listed file is a User Guide (HTML), not the raw dataset itself. The actual data files and their license are not described.