United Kingdom postcode data linked to statutory geographies as of May 2026. The dataset relates current and terminated postcodes to areas via best-fit allocation from the 2021 Census Output Areas and is produced by ONS Geography. It is issued quarterly and supports the production of area-based statistics from postcoded data.
Use Cases
- Geocode address data based on the postcode-to-geography mapping.
- Analyze demographic patterns based on the linkage to 2021 Census Output Areas.
- Produce area-based statistics for policy or business planning based on the statutory geography allocations.
Strengths
- Links postcodes to current statutory geographies, including England, Wales, Scotland, and Northern Ireland.
- Includes both current and terminated postcodes for historical reference.
- Uses best-fit allocation from the 2021 Census Output Areas for geographic accuracy.
Limitations
- 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 (ONS Geography)
- Collection Method
- Best-fit allocation from the 2021 Census Output Areas.
- Time Range
- Snapshot as of May 2026.
- Freshness
- Issued quarterly; snapshot as of May 2026.
- Geography
- United Kingdom (England, Wales, Scotland, Northern Ireland)