National Assembly for Wales Constituency Boundaries, December 2015

Office for National Statistics provides digital vector boundaries for National Assembly for Wales Constituencies as of December 2015. The dataset contains five boundary versions, including full resolution and four levels of generalisation clipped to the coastline. File sizes range from 34 KB for ultra generalised boundaries to 4 MB for full resolution versions.

Use Cases

• Map constituency boundaries based on full-resolution vector data.
• Create simplified visualizations using the generalised (20m, 200m, 500m) boundary versions.
• Perform spatial analysis on electoral districts clipped to the Mean High Water mark.
• Integrate boundary data with other geospatial datasets for the UK.

Strengths

• Contains five distinct boundary versions for different use cases.
• Specific file sizes are provided for each version, ranging from 34 KB to 4 MB.
• Boundaries are timestamped to a specific date (December 2015).

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

December 2015

Freshness

Last updated 2026-07-08 13:33:26.562981; freshness should be verified.

Geography

Wales