Westminster Parliamentary Constituency Boundaries for Great Britain, December 2015

Five vector boundary files for Westminster Parliamentary Constituencies in Great Britain as of 31 December 2015. The dataset includes full-resolution, generalised, and ultra-generalised versions, with file sizes ranging from 488 KB to 56 MB. It is provided by the Office for National Statistics and contains Ordnance Survey and ONS Intellectual Property Rights.

Use Cases

• Map constituency boundaries for electoral analysis based on the provided vector geometries.
• Perform spatial joins with demographic data using the coastline-clipped boundary files.
• Create simplified visualizations for web maps using the generalised (20m) or ultra generalised (500m) versions.

Strengths

• Provides five distinct boundary versions, including full-resolution and multiple generalised options for different use cases.
• Specific file sizes are listed for each version, ranging from 488 KB to 56 MB, indicating data volume.
• Contains a specific snapshot date of 31 December 2015 for temporal consistency.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from 2015 and may not reflect subsequent boundary reviews or changes.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Collection Method

Digital vector boundaries likely derived from official cartographic sources.

Time Range

As at 31 December 2015

Freshness

Last updated 2026-07-08 13:32:55.749739; freshness should be verified.

Geography

Great Britain