Combined Authorities Boundaries in England, March 2017

Digital vector boundaries for Combined Authorities in England as of March 2017. The dataset contains five versions of the boundaries at different resolutions, from full extent to ultra-generalized 500m clips. It is provided by the Office for National Statistics and contains Ordnance Survey and ONS intellectual property rights.

Use Cases

• Mapping and visualizing Combined Authority jurisdictions based on the provided vector boundaries.
• Performing spatial analysis (e.g., overlays, joins) using the coastline-clipped boundary versions.
• Integrating administrative boundaries into web mapping services using the linked ArcGIS REST feature service.
• Creating simplified maps for presentations or dashboards using the super-generalized (200m) or ultra-generalized (500m) versions.

Strengths

• Provides five distinct boundary versions for different use cases, from full resolution (1.5-2 MB) to ultra-generalized (22 KB).
• Specific resolution tolerances are stated: 20m, 200m, and 500m for the generalized versions.
• Clear provenance from the UK's Office for National Statistics and Ordnance Survey.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from a single snapshot in March 2017; freshness should be verified for current applications.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Collection Method

Official digital vector boundaries from UK national mapping and statistics agencies.

Time Range

March 2017

Freshness

Last updated 2026-07-08 13:33:17.490870; freshness should be verified

Geography

England