Postcode to Parish, Ward, and Local Authority District Lookup for England and Wales (2011)

A lookup table mapping postcodes to their corresponding parish, ward, and local authority district administrative boundaries in England and Wales. The dataset is published by the Office for National Statistics under the OGL-UK-3.0 license. Its last recorded metadata update was July 8, 2026.

Use Cases

• Aggregate demographic statistics by Local Authority District based on postcode-level data mentioned in the description
• Perform geographic joins for spatial analysis based on administrative boundary mappings
• Standardize address data for England and Wales by appending administrative hierarchy information

Strengths

• Published by the authoritative Office for National Statistics.
• Released under the permissive OGL-UK-3.0 license for reuse.

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.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Time Range

December 2011

Freshness

Last updated 2026-07-08 13:33:27.340164; freshness should be verified.

Geography

England and Wales