UK Postcode to Administrative Area Lookup for England and Wales (December 2011)

England and Wales postcode lookup table linking postcodes to hierarchical administrative and statistical geographies. The dataset is produced by the Office for National Statistics and was last updated on the platform in July 2026. It likely contains mappings from postcodes to Output Areas, Lower and Middle Layer Super Output Areas, and Local Authority Districts.

Use Cases

• Aggregating survey or business data to higher-level geographies based on postcode linkages mentioned in the description
• Joining address-level records to census or official statistics using the hierarchical area codes
• Mapping data for regional analysis in England and Wales using the consistent 2011 geographic framework
• Validating or standardizing geographic identifiers in datasets containing UK postcodes

Strengths

• Produced by the authoritative Office for National Statistics
• Last platform update recorded as 2026-07-08, suggesting ongoing maintenance
• File size is indicated as 9 MB, suggesting a substantial lookup table

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
• The geographic framework is based on the December 2011 boundaries, which may be outdated for current analyses

Provenance

Source

Office for National Statistics

Collection Method

Likely compiled from official UK geographic and postal databases

Time Range

Reference period December 2011

Freshness

Last updated 2026-07-08 13:32:29.222368; freshness should be verified

Geography

England and Wales