Westminster Parliamentary Constituency Boundaries for Great Britain, 2015

Digital vector boundaries for Westminster Parliamentary Constituencies in Great Britain as at 31 December 2015. The dataset contains five boundary versions, ranging from full resolution to ultra generalised (500m), with file sizes from 488 KB to 56 MB. Contains both Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Mapping constituency boundaries for electoral analysis based on the provided vector data.
• Creating simplified (generalised) maps for visualizations based on the 20m to 500m resolution options.
• Integrating electoral geography with other datasets using the coastline-clipped boundaries.
• Serving boundary data via web services using the provided ArcGIS REST URLs.

Strengths

• Provides five distinct boundary resolutions, from full (52-56 MB) to ultra generalised (488 KB).
• Contains specific intellectual property rights information for Ordnance Survey and ONS.
• Offers multiple access methods including direct download and ArcGIS REST services.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from a specific snapshot date (31 December 2015) and may not reflect current boundaries.

Provenance

Source

Office for National Statistics

Collection Method

Administrative boundary data from Ordnance Survey and ONS.

Time Range

As at 31 December 2015

Freshness

Last updated 2026-07-08 13:32:27.436468; freshness should be verified

Geography

Great Britain