UK Westminster Parliamentary Constituency Boundaries as of December 2016

Office for National Statistics provides digital vector boundaries for UK Westminster Parliamentary Constituencies as at December 2016. The dataset contains five versions of boundaries, including full resolution and multiple generalised versions clipped to the coastline. File sizes range from 352 KB for the ultra generalised version to 49 MB for the full resolution clipped version.

Use Cases

• Mapping constituency boundaries for historical analysis based on the December 2016 snapshot.
• Performing spatial joins with demographic data based on the provided vector geometries.
• Creating simplified maps for visualization based on the generalised (20m, 200m, 500m) boundary versions.
• Analyzing coastal and offshore electoral areas based on the full extent vs. clipped boundary options.

Strengths

• Provides five distinct boundary versions, including full resolution and four levels of generalisation.
• Specific file sizes are listed for each version, ranging from 352 KB to 49 MB.
• Contains intellectual property rights from both Ordnance Survey and the Office for National Statistics.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from December 2016; freshness should be verified for current applications.

Provenance

Source

Office for National Statistics

Collection Method

Digital vector boundaries likely derived from official cartographic sources.

Time Range

December 2016

Freshness

Last updated 2026-07-08 13:33:18.390933; freshness should be verified

Geography

United Kingdom