Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144.2p 2.6% (+3.6p) 7d avg: 142.4p Hold off if you can | Super Unleaded (E5) 162.2p 2.5% (+4p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.9p 3.9% (+6.3p) 7d avg: 162.7p Hold off if you can | Super Diesel (SDV) 186.6p 4.1% (+7.3p) 7d avg: 183.1p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144.2p 2.6% (+3.6p) 7d avg: 142.4p Hold off if you can | Super Unleaded (E5) 162.2p 2.5% (+4p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.9p 3.9% (+6.3p) 7d avg: 162.7p Hold off if you can | Super Diesel (SDV) 186.6p 4.1% (+7.3p) 7d avg: 183.1p Hold off if you can |

Fuel Prices in Caernarfon, Clynnogfawr, Llanaelhaearn, Lland...

Live comparison for LL54 area. Tracking 0 stations across 27 brands. For a detailed breakdown including 7-day price trends, market competition analysis, and savings tips, and also find Today’s Cheapest Petrol and Diesel in Caernarfon, Clynnogfawr, Llanaelhaearn, Llandwrog, Pontllyfni, Saron, Trefor, Llanllyfni, Nantlle, Penygroes, Rhyd Ddu, Talysarn, Bontnewydd, Carmel, Dinas, Groeslon, Rhosgadfan, Rhostryfan .

Wales 0 Stations 0 Brands
Updated 19 Mar 2026
View Caernarfon, Clynnogfawr, Llanaelhaearn, Llandwrog, Pontllyfni, Saron, Trefor, Llanllyfni, Nantlle, Penygroes, Rhyd Ddu, Talysarn, Bontnewydd, Carmel, Dinas, Groeslon, Rhosgadfan, Rhostryfan on the Fuel Map

Compare all 0 stations visually on our interactive map to find the cheapest fuel near your route.

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7-Day Price Movement
Petrol (E10)
140.9p 144.7p
3.8p (2.7%)
Diesel (B7)
160.1p 166.5p
6.4p (4%)
All Fuel Stations in Caernarfon, Clynnogfawr, Llanaelhaearn, Llandwrog, Pontllyfni, Saron, Trefor, Llanllyfni, Nantlle, Penygroes, Rhyd Ddu, Talysarn, Bontnewydd, Carmel, Dinas, Groeslon, Rhosgadfan, Rhostryfan (LL54)
Frequently Asked Questions About Fuel in Caernarfon, Clynnogfawr, Llanaelhaearn, Llandwrog, Pontllyfni, Saron, Trefor, Llanllyfni, Nantlle, Penygroes, Rhyd Ddu, Talysarn, Bontnewydd, Carmel, Dinas, Groeslon, Rhosgadfan, Rhostryfan

Check the station list above for the latest prices across 0 stations in LL54.

Prices are very competitive across Caernarfon, Clynnogfawr, Llanaelhaearn, Llandwrog, Pontllyfni, Saron, Trefor, Llanllyfni, Nantlle, Penygroes, Rhyd Ddu, Talysarn, Bontnewydd, Carmel, Dinas, Groeslon, Rhosgadfan, Rhostryfan, with minimal variation between stations.

We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the Gwynedd area.

Supermarkets typically offer competitive prices, but it varies day-to-day. Check the current prices above.

We are currently tracking 0 active fuel stations in the LL54 area, operated by 0 different brands including and more.

Check the station list above for the latest diesel prices, or use our fuel map to compare nearby options.
Nearby Locations
Garndolbenmaen (LL51) Caernarfon, Bethel, Bontnewydd, Caeathro, Brynrefail, Clwt-y-Bont, Deiniolen, Penisarwaun, Beddgelert, Ceunant, Cwm-y-Glo, Llanberis, Llanrug, Nant Gwynant, Nant Peris, Waunfawr (LL55) Llanfairpwllgwyngyll, Brynsiencyn, Dwyran, Newborough (LL61) Gaerwen, Llanddaniel, Llangaffo, Star (LL60) Criccieth, Llanystumdwy, Pentrefelin, Rhoslan (LL52) Y Felinheli (LL56) Bodffordd, Rhostrehwfa, Talwrn, Llangefni (LL77) Bodorgan, Bethel, Hermon, Llangristiolus, Malltraeth, Trefdraeth (LL62)

Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.