Local Authority District Boundaries in Great Britain, December 2009

Office for National Statistics provides digital vector boundaries for Local Authority Districts in Great Britain as of December 2009. The dataset contains multiple boundary versions, including full-resolution, generalised (20m), super generalised (200m), and ultra generalised (500m) files. It is available via an ArcGIS REST service and contains Ordnance Survey and ONS intellectual property rights.

Use Cases

• Map historical local authority districts based on the provided vector boundaries.
• Analyze coastal boundary definitions based on the Mean High Water and Mean Low Water mark descriptions.
• Create simplified visualizations using the generalised (20m, 200m, 500m) boundary versions.

Strengths

• Contains five distinct boundary versions, including full-resolution (45-49 MB) and multiple generalised files (6 MB to 367 KB).
• Boundaries are provided for Great Britain as of a specific date (December 2009).
• Data is served via an official ArcGIS REST service from the Office for National Statistics.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from December 2009 and may not reflect current administrative boundaries.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Time Range

December 2009

Freshness

Last updated 2026-07-08 13:32:52.476628; freshness should be verified.

Geography

Great Britain