Westminster Parliamentary Constituency Boundaries for Great Britain, December 2016

Office for National Statistics provides digital vector boundaries for Westminster Parliamentary Constituencies in Great Britain as of December 2016. The dataset contains five boundary versions at different resolutions, from full extent to ultra generalised. File sizes range from 500 KB to 55 MB, and the data is available via multiple ArcGIS REST services.

Use Cases

• Map constituency boundaries for electoral analysis based on the provided vector data.
• Perform spatial joins with demographic data using the coastline-clipped boundaries.
• Create simplified visualizations for web maps using the generalised (20m, 200m, 500m) boundary versions.
• Analyze the extent of parliamentary constituencies, including offshore islands, using the full-resolution 'extent of the realm' boundaries.

Strengths

• Provides five distinct boundary versions for different use cases, from full resolution to ultra generalised.
• Specific file sizes are listed for each version, ranging from 500 KB to 55 MB.
• Contains intellectual property from both Ordnance Survey and the Office for National Statistics.
• Data is accessible via multiple ArcGIS REST services for viewing and download.

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

Collection Method

Digital vector boundaries produced by Ordnance Survey and ONS.

Time Range

December 2016

Freshness

Last updated 2026-07-08 13:33:19.357423; freshness should be verified.

Geography

Great Britain