Democracy and Boundary Commission Cymru

Senedd Review

The Commission has published its Final Determinations and confirmed Wales’ 16 new Senedd constituencies. Click on the button below to read the determinations, which take effect automatically at the 2026 Senedd election.

Final Determinations

Boundary Reviews

Remuneration

Electoral Management Board

Reviews See all

Electoral Reviews07/05/2025

Electoral Reviews: Policy and Practice 2025

The Democracy and Boundary Commission Cymru etc. Act 2013 (“the 2013 Act”) requires the Democracy and Boundary Commission Cymru (“the Commission”) to review the electoral arrangements for each principal area in Wales at least once every 12 years.

Community Reviews07/04/2025

Rhondda Cynon Taf Community Review

The Commission has received notification from Rhondda Cynon Taf County Borough Council that it has completed a Section 25 Community Review and has submitted its report.

Senedd Reviews11/03/2025

2026 Review: Final Determinations

The Commission's Final Determinations for Wales' 16 new Senedd constituencies.

Community Reviews12/02/2025

Carmarthenshire Community Review: Decision

The Commission has approved the recommendations of the Carmarthenshire Community Review.

Electoral Reviews11/02/2025

2025 ERP: Draft Policy and Practice

The consultation on the draft Policy and Practice closes on 24 March

News See all

Democracy and Boundary Commission Cymru takes on remuneration responsibilities

01/04/2025
Vacancy: Independent Member of the Governance and Audit Committee

21/03/2025
Chair of the new Governance and Audit Committee announced

21/03/2025

Publications See all

ARAC Annual Report 2024 - 2025

01/05/2025 1
Welsh Language Standards

15/04/2025
DBCC Commission Meeting Minutes 2025

14/04/2025 2