Stephen Senior: member for Sir Fynwy Torfaen, Senedd Cymru (Welsh Parliament)

Stephen Senior is a Reform UK member of Senedd Cymru (Welsh Parliament) for Sir Fynwy Torfaen, according to the legislature's own published list. Their current term began on 8 May 2026.

Legislature

Senedd Cymru (Welsh Parliament)

Constituency

Sir Fynwy Torfaen

Party

Reform UK

Term began

8 May 2026

Official profile

business.senedd.wales

Source

Senedd Cymru: members by constituency (modern.gov web service), read 4 November 2026 (saved copy)

How to contact Stephen Senior

These are the details Senedd Cymru (Welsh Parliament) publishes for Stephen Senior, exactly as published on 4 November 2026:

• Email: Stephen.Senior-MS@senedd.wales
• Phone: 0300 200 7337
• Post: Welsh Parliament, Cardiff Bay, Cardiff, CF99 1SN
• Official profile: business.senedd.wales

Who else represents Sir Fynwy Torfaen

• Donna Cushing Plaid Cymru
• Peter Fox Welsh Conservative Party
• Laura Anne Jones Reform UK Commissioner
• Matthew Jones Plaid Cymru
• Lynne Neagle Welsh Labour

Reform UK on Senedd Cymru (Welsh Parliament)

Reform UK holds 33 of the 96 seats on Senedd Cymru (Welsh Parliament). The largest group is Plaid Cymru, with 44. Seats by party: Plaid Cymru 44, Reform UK 33, Welsh Conservative Party 7, Welsh Labour 6, Welsh Labour and Co-operative Party 3, Welsh Green Party 2 and others.

Leaders and post holders on Senedd Cymru (Welsh Parliament)

• Rhun ap Iorwerth First Minister of Wales
• Sioned Williams Deputy First Minister and Cabinet Minister for Social Justice and Equality
• Kerry Ferguson Deputy Presiding Officer

All 96 members of Senedd Cymru (Welsh Parliament).

Where Senedd Cymru (Welsh Parliament) sits in the ladder of power

See Wales.

Where this comes from

Senedd Cymru: members by constituency (modern.gov web service), read 4 November 2026 (saved copy). Published by Senedd Cymru (Welsh Parliament). The page is rebuilt from the official list each time it is read again, so anything the body changes or removes changes here too. Name or seat out of date? Tell us.