Nia Wyn Jeffreys: councillor for Dwyrain Porthmadog, Gwynedd Council

Nia Wyn Jeffreys is a Plaid Cymru councillor for the Dwyrain Porthmadog ward on Gwynedd Council, according to the council's own published list. Nia Wyn Jeffreys is also Council Leader. Their current term began on 8 May 2017.

Council: Gwynedd Council
Ward: Dwyrain Porthmadog
Party: Plaid Cymru
Posts: Council Leader
Term began: 8 May 2017
Official profile: democracy.gwynedd.llyw.cymru
Source: Gwynedd Council: councillors by ward (modern.gov web service), read 3 November 2026 (saved copy)

Nia Wyn Jeffreys also has a page for the other posts they hold.

How to contact Nia Wyn Jeffreys

These are the details Gwynedd Council publishes for Nia Wyn Jeffreys, exactly as published on 3 November 2026:

Email: cynghorydd.niajeffreys@gwynedd.llyw.cymru
Phone: 01286 685080 / 01286 679665
Post: Plaid Cymru Group Office, Gwynedd Council, Stryd y Jel, Caernarfon, Gwynedd, LL55 1SH
Official profile: democracy.gwynedd.llyw.cymru

Plaid Cymru on Gwynedd Council

Plaid Cymru holds 44 of the 69 seats on Gwynedd Council, the largest group. Seats by party: Plaid Cymru 44, Independent 21, Individual Member 2, Gwynedd yn Gyntaf / Gwynedd First 2.

Leaders and post holders on Gwynedd Council

Menna Trenholme Deputy Leader and Cabinet Member for Children and Supporting Families
Delyth Lloyd Griffiths Vice Chair of the Council
Stephen W. Churchman Leader of the Gwynedd yn Gyntaf Group
Elin Walker Jones Chair of the Council
Angela Russell Leader of the Independent Group

All 69 councillors of Gwynedd Council, by ward and party.

Who has power over Dwyrain Porthmadog

Nia Wyn Jeffreys sits on Gwynedd Council, at level 3 of the ten levels of power. These are the bodies above Gwynedd, each with its own page:

North Wales Police led by Andy Dunbobbin, Amanda Blakeman
Bangor Aberconwy: Claire Hughes (Labour) MP
Dwyfor Meirionnydd: Liz Saville Roberts (Plaid Cymru) MP
Senedd devolved law-making for Wales
UK government and all 650 MPs
United Nations, IMF, G7 and G20

The full ladder of power over Gwynedd, from residents' groups to the G20.

Where this comes from

Gwynedd Council: councillors by ward (modern.gov web service), read 3 November 2026 (saved copy). Published by Gwynedd Council. The page is rebuilt from the official list each time it is read again, so anything the council changes or removes changes here too. Name or seat out of date? Tell us.