A dog sitting in front of a tree. The tree has a ‘Gorsaf Bleidleisio / Polling Station’ sign on it.

A dog sitting in front of a tree. The tree has a ‘Gorsaf Bleidleisio / Polling Station’ sign on it.

What are the key dates for the 2026 Senedd election?

Published 25/09/2025

We’ve compiled in one place a list of the key dates in the run up to and after the upcoming Senedd election. We’ll update this timeline with other dates (such as the deadline for registering to vote) as they are confirmed.

Much of this information is set out in the Senedd Cymru (Representation of the People) Order 2025, known as the Conduct Order, and the Government of Wales Act 2006.

27 March 2026

Last day of Senedd business.

30 March 2026

Deadline for publishing of notice of election, to include date of poll and deadline for nomination papers.

8 April 2026

Dissolution of the Senedd.

4pm on 9 April 2026

Deadline for candidate nominations.

4pm on 10 April 2026

Deadline for publishing of statements of persons nominated.

7 May 2026, 7am to 10pm

Date of poll.

29 May 2026

Deadline for first meeting of the Seventh Senedd.

Elected at first meeting of the Seventh Senedd

Nomination of Presiding Officer and Deputy Presiding Officer.

4 June 2026

Deadline for nomination of First Minister.

Article by Adam Cooke and Josh Hayman, Senedd Research, Welsh Parliament.