Senedd Cymru Constituencies: Names and Codes for Wales as of May 2026

SENC26CD, SENC26NM, and SENC26NMW are the three text fields listed for this dataset. It contains the names and codes for Senedd Cymru (Welsh Parliament) constituencies in Wales as of 7th May 2026, provided by the Office for National Statistics. The dataset was last updated on 13th May 2026.

Use Cases

• Mapping Welsh parliamentary constituencies based on the listed constituency codes and names.
• Joining electoral or demographic data to Senedd constituencies using the provided SENC26CD identifier.
• Analyzing bilingual naming conventions for Welsh regions using the English (SENC26NM) and Welsh (SENC26NMW) name fields.

Strengths

• Provides a specific future snapshot of Welsh parliamentary boundaries as of 7th May 2026.
• Includes both English and Welsh language names for constituencies in the SENC26NM and SENC26NMW fields.
• Sourced from the authoritative Office for National Statistics.

Limitations

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

Provenance

Source

Office for National Statistics

Time Range

As of 7th May 2026

Freshness

Last updated 2026-05-13 18:04:20.442086; freshness should be verified.

Geography

Wales