| Dwyfor Meirionnydd | |
|---|---|
| County constituency for theHouse of Commons | |
![]() Interactive map of boundaries from 2024 | |
Location within Wales | |
| Preserved county | Gwynedd |
| Electorate | 72,533 (March 2020)[1] |
| Major settlements | Caernarfon,Pwllheli,Blaenau Ffestiniog,Porthmadog,Dolgellau,Bala |
| Current constituency | |
| Created | 2010 |
| Member of Parliament | Liz Saville Roberts (Plaid Cymru) |
| Seats | One |
| Created from | Caernarfon andMeirionnydd Nant Conwy |
| Overlaps | |
| Senedd | Dwyfor Meirionnydd,Mid and West Wales |
Dwyfor Meirionnydd is aconstituency of theHouse of Commons of theParliament of the United Kingdom (atWestminster), represented since 2015 byLiz Saville Roberts ofPlaid Cymru.
Like its predecessors, it is aPlaid Cymru stronghold, with their candidate in 2024 achieving a majority of 39.3%.
Until 2024, the seat shared the same boundaries with theDwyfor Meirionnydd Senedd constituency, the latter of which still uses the borders established for the2007 Welsh Assembly election.
Dwyfor Meirionnydd was created by the Welsh Boundary Commission for the2010 general election, and replaced the old north Wales seat ofMeirionnydd Nant Conwy.
At the2023 Periodic Review of Westminster constituencies and under theJune 2023 final recommendations of theBoundary Commission for Wales, the constituency retained its name and gained wards in boundary changes first used for the2024 United Kingdom general election.[2]
The constituency was created by merging most ofMeirionnydd Nant Conwy with the southern part ofCaernarfon; the northern area became part of a newArfon constituency.
2010–2024: TheCounty of Gwynedd wards of:Aberdaron,Aberdyfi,Abererch,Abermaw,Abersoch,Bala, Botwnnog, Bowydd and Rhiw, Brithdir and Llanfachreth/Ganllwyd/Llanelltyd, Bryn-crug/Llanfihangel,Clynnog,Corris/Mawddwy,Criccieth, Diffwys and Maenofferen, Dolbenmaen,Dolgellau North, Dolgellau South, Dyffryn Ardudwy, Efail-newydd/Buan,Harlech, Llanaelhaearn,Llanbedr,Llanbedrog,Llandderfel,Llanengan,Llangelynin,Llanuwchllyn,Llanystumdwy,Morfa Nefyn,Nefyn,Penrhyndeudraeth,Porthmadog East, Porthmadog West, Porthmadog-Tremadog,Pwllheli North,Pwllheli South, Teigl,Trawsfynydd,Tudweiliog andTywyn.
2024–present: Under the 2023 review, drawn up in accordance with the ward structure in existence on 1 December 2020, the constituency was defined as comprising the wards above, plus the Gwynedd wards of Bethel, Bontnewydd, CadnantCwm-y-Glo, Deiniolen, Groeslon, Llanberis, Llanllyfni, Llanrug, Llanwnda, Menai (Caernarfon), Peblig (Caernarfon), Penisarwaun, Pentir, Penygroes, Seiont, Talysarn, Waunfawr, and Y Felinheli; and theCounty of Denbighshire wards of Corwen and Llandrillo.[3][4]
Following local government boundary reviews which came into effect in May 2022,[5][6] the constituency now comprises the following from the 2024 general election:[7]
The seat is bordered to the north byBangor Aberconwy, to the south byMontgomeryshire and Glyndŵr, and to the east byClwyd East.
| Election | Member | Party | Notes | |
|---|---|---|---|---|
| 2010 | Elfyn Llwyd | Plaid Cymru | Plaid Cymru's Westminster parliamentary group leader until 2015 | |
| 2015 | Liz Saville Roberts | Plaid Cymru | Plaid Cymru's Westminster parliamentary group leader from 2017 | |

| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Plaid Cymru | Elfyn Llwyd | 12,814 | 44.3 | N/A | |
| Conservative | Simon Baynes | 6,447 | 22.3 | N/A | |
| Labour | Alwyn Humphreys | 4,021 | 13.9 | N/A | |
| Liberal Democrats | Stephen Churchman | 3,538 | 12.2 | N/A | |
| Independent | Louise Hughes | 1,310 | 4.5 | N/A | |
| UKIP | Frank Wykes | 776 | 2.7 | N/A | |
| Majority | 6,367 | 22.0 | N/A | ||
| Turnout | 28,906 | 63.7 | N/A | ||
| Registered electors | 45,354 | ||||
| Plaid Cymruwin (new seat) | |||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Plaid Cymru | Liz Saville Roberts | 11,811 | 40.9 | −3.4 | |
| Conservative | Neil Fairlamb | 6,550 | 22.7 | +0.4 | |
| Labour | Mary Clarke | 3,904 | 13.5 | −0.4 | |
| UKIP | Christopher Gillibrand[14] | 3,126 | 10.8 | +8.1 | |
| Independent | Louise Hughes | 1,388 | 4.8 | +0.3 | |
| Liberal Democrats | Stephen Churchman | 1,153 | 4.0 | −8.2 | |
| Green | Marc Fothergill | 981 | 3.4 | N/A | |
| Majority | 5,261 | 18.2 | −3.8 | ||
| Turnout | 28,913 | 65.1 | +1.4 | ||
| Registered electors | 44,394 | ||||
| Plaid Cymruhold | Swing | −1.9 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Plaid Cymru | Liz Saville Roberts | 13,687 | 45.1 | +4.2 | |
| Conservative | Neil Fairlamb | 8,837 | 29.1 | +6.4 | |
| Labour | Mathew Norman | 6,273 | 20.7 | +7.2 | |
| Liberal Democrats | Stephen Churchman | 937 | 3.1 | −0.9 | |
| UKIP | Frank Wykes | 614 | 2.0 | −8.8 | |
| Majority | 4,850 | 16.0 | −2.2 | ||
| Turnout | 30,312 | 68.0 | +2.9 | ||
| Registered electors | 44,699 | ||||
| Plaid Cymruhold | Swing | −1.1 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Plaid Cymru | Liz Saville Roberts | 14,447 | 48.3 | +3.2 | |
| Conservative | Tomos Davies | 9,707 | 32.4 | +3.3 | |
| Labour | Graham Hogg | 3,998 | 13.4 | −7.3 | |
| Brexit Party | Louise Hughes | 1,776 | 5.9 | N/A | |
| Majority | 4,740 | 15.9 | −0.1 | ||
| Turnout | 29,928 | 67.5 | −0.5 | ||
| Registered electors | 44,362 | ||||
| Plaid Cymruhold | Swing | −0.1 | |||
| 2019 notional result[a][19] | |||
|---|---|---|---|
| Party | Vote | % | |
| Plaid Cymru | 23,110 | 45.7 | |
| Conservative | 13,230 | 26.2 | |
| Labour | 11,541 | 22.8 | |
| Brexit Party | 2,558 | 5.1 | |
| Liberal Democrats | 79 | 0.2 | |
| Majority | 9,880 | 19.6 | |
| Turnout | 50,518 | 69.6 | |
| Electorate | 72,533 | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Plaid Cymru | Liz Saville Roberts | 21,788 | 53.9 | +8.2 | |
| Labour | Joanna Stallard | 5,912 | 14.6 | −8.2 | |
| Reform | Lucy Murphy | 4,857 | 12.0 | +6.9 | |
| Conservative | Tomos Day | 4,712 | 11.7 | −14.5 | |
| Green | Karl Drinkwater | 1,448 | 3.6 | +3.6 | |
| Liberal Democrats | Phoebe Jenkins | 1,381 | 3.4 | +3.2 | |
| Heritage | Joan Ginsberg | 297 | 0.7 | +0.7 | |
| Majority | 15,876 | 39.3 | +23.4 | ||
| Turnout | 40,395 | 55.3 | −14.3 | ||
| Registered electors | 73,042 | ||||
| Plaid Cymruhold | Swing | +8.2 | |||