This website was established while I was a Member of the Senedd. As the Senedd has been dissolved, there are no Members of the Senedd until the results of the elections on 7 May 2026 are known.
This website was established while I was a Member of the Senedd. As the Senedd has been dissolved, there are no Members of the Senedd until the results of the elections on 7 May 2026 are known.
This website was established while I was a Member of the Senedd. As the Senedd has been dissolved, there are no Members of the Senedd until the results of the elections on 7 May 2026 are known.
This website was established while I was a Member of the Senedd. As the Senedd has been dissolved, there are no Members of the Senedd until the results of the elections on 7 May 2026 are known.
This website was established while I was a Member of the Senedd. As the Senedd has been dissolved, there are no Members of the Senedd until the results of the elections on 7 May 2026 are known.

Siân Gwenllian MS

Working hard for Arfon

Welcome


Siân Gwenllian represents the Arfon constituency in the Senedd/Welsh Parliament. She was elected for the first time in 2016, and was re-elected in 2021 with a higher percentage of the vote than any other candidate throughout Wales, doubling her majority with 63.3% of the vote. She is proud to have succesfully campaigned for a new medical school for the north of Wales based in Bangor in her constituency.

She currently holds the Housing and Planning portfolio for Plaid Cymru (2024-) following her role as the Lead Designated Member in the Co-operation Agreement (2021-2024).

About

Sian Gwenllian yn sefyll tu allan yn gwenu - eng

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My Work in Arfon