Senedd Cymru Constituency Boundaries for Wales, May 2026

Senedd Cymru Constituencies (May 2026) Boundaries WA BGC provides digital vector boundaries for Welsh parliamentary constituencies. The dataset contains boundaries generalised to 20m resolution and clipped to the Mean High Water coastline. It is hosted by the Office for National Statistics and was last updated on May 13, 2026.

Use Cases

• Create electoral maps based on the May 2026 constituency boundaries.
• Perform spatial analysis of demographic data aggregated to Welsh constituencies.
• Integrate boundary data into Geographic Information Systems for regional planning.

Strengths

• Boundaries are generalised to 20m resolution, which likely simplifies geometry for efficient processing.
• The dataset is clipped to the Mean High Water coastline, providing accurate coastal boundaries.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Office for National Statistics

Time Range

As at May 2026

Freshness

Last updated 2026-05-13 18:04:08.777994; freshness should be verified.

Geography

Wales