Great Britain Country Boundaries at December 2015 with Multiple Resolutions

December 2015 digital vector boundaries for countries in Great Britain, provided by the Office for National Statistics. The dataset includes five boundary versions, ranging from full resolution (24-29 MB) to ultra generalised (168 KB). It contains both Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Create national-level maps of Great Britain based on the full-resolution boundaries.
• Perform spatial analysis using the coastline-clipped boundaries referenced to Mean High Water mark.
• Develop web maps with simplified geometries using the generalised (20m, 200m, 500m) boundary versions.
• Integrate administrative boundaries into larger geospatial models for the UK based on the provided ArcGIS services.

Strengths

• Provides five distinct boundary versions with specific file sizes, from 24 MB to 168 KB.
• Offers boundaries referenced to specific coastal marks (Mean Low Water and Mean High Water).
• Includes direct REST service URLs for programmatic access and download.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is specific to a single snapshot date (31 December 2015).
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Time Range

31 December 2015

Freshness

Last updated 2026-07-08 13:33:23.251844; freshness should be verified.

Geography

Great Britain