Local Authority District Boundaries for Great Britain, December 2009

Digital vector boundaries for Local Authority Districts in Great Britain as at December 2009. The dataset contains five boundary versions at different resolutions and file sizes, from full resolution (45-49 MB) to ultra generalised (367 KB). It is provided by the Office for National Statistics and contains both Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Mapping historical administrative units based on the provided vector boundaries.
• Conducting spatial analysis at different scales based on the multiple generalised boundary versions.
• Integrating with other UK geospatial datasets using the December 2009 district boundaries as a reference layer.
• Visualizing local authority districts clipped to the coastline (Mean High Water mark).

Strengths

• Provides five distinct boundary versions for flexibility, including full resolution and four generalised/clipped options.
• Specific file sizes are listed for each version, ranging from 367 KB to 49 MB.
• Contains authoritative intellectual property from both Ordnance Survey and the Office for National Statistics.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data reflects a specific snapshot from December 2009; boundaries may have changed since.

Provenance

Source

Office for National Statistics

Collection Method

Digital vector boundaries from UK national mapping agencies.

Time Range

December 2009

Freshness

Last updated 2026-07-08 13:33:18.318518; freshness should be verified.

Geography

Great Britain