Combined Authorities Boundaries for England, March 2017

England's Combined Authorities administrative boundaries as of March 2017. The dataset provides digital vector boundaries in five resolutions, from full extent to ultra-generalised, with file sizes ranging from 22 KB to 2 MB. It is produced by the Office for National Statistics and contains Ordnance Survey intellectual property.

Use Cases

• Mapping Combined Authorities for regional analysis based on the provided vector boundaries.
• Simplifying boundaries for web mapping applications based on the super generalised (200m) or ultra generalised (500m) versions.
• Performing spatial joins with other UK datasets using the coastline-clipped boundaries.
• Visualising the extent of Combined Authorities for public information services based on the available resolutions.

Strengths

• Provides boundaries in five specific resolutions, including full, generalised (20m), super generalised (200m), and ultra generalised (500m).
• File sizes are explicitly listed, ranging from 22 KB for the ultra generalised version to 2 MB for the full resolution clipped version.
• Contains intellectual property from both Ordnance Survey and the Office for National Statistics, indicating authoritative sourcing.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Office for National Statistics

Time Range

March 2017

Freshness

Last updated 2026-07-08 13:33:22.509126; freshness should be verified.

Geography

England