NHSPD: UK Postcode Geographic Centroids and Linkages

Digital vector centroids for the NHS Postcode Directory (NHSPD) link UK postcodes to administrative, electoral, health, and census geographies. The dataset includes both current and terminated postcodes and provides historical links to pre-2002 health areas and 2001/2011 Census Output Areas. It is updated quarterly by the Office for National Statistics.

Use Cases

• Mapping health service access based on postcode linkage to health geographies.
• Historical demographic analysis using links to 2001 and 2011 Census Output Areas.
• Spatial analysis of administrative boundaries using postcode centroid coordinates.
• Validating and geocoding address data against current and terminated UK postcodes.

Strengths

• Links postcodes to a wide range of current and historical statutory geographies, including pre-2002 health areas.
• Updated quarterly, ensuring relatively current geographic linkages.
• Contains centroids for both current and terminated UK postcodes, supporting historical analysis.

Limitations

• Specific column names and dataset size (row count) are not provided in the available metadata.
• Conflicting 'last updated' dates (2026-03-18 and 2026-06-17) suggest metadata inconsistency across entries.
• Complete license details are not specified, only a list of intellectual property rights holders.

Provenance

Source

Office for National Statistics (UK). Contains intellectual property from Royal Mail, Gridlink, LPS (Northern Ireland), Ordnance Survey, and ONS.

Collection Method

Official quarterly release of the NHS Postcode Directory.

Time Range

Covers data as at February 2026 and May 2026, with historical links to pre-2002 health areas and 2001/2011 Censuses.

Freshness

2026-06-17 21:01:03.081525

Geography

United Kingdom