Wales Fuel Prices

Compare live petrol and diesel prices across Wales. Find the cheapest fuel stations near you with PetrolPal.

Fuel price answer

fuel prices in Wales today

As of 24 August 2026, the cheapest unleaded petrol in Wales is 149.8p/L at Commercial Street Service Station Commercial Street Service Station, the cheapest diesel in Wales is 163.8p/L at Commercial Street Service Station Commercial Street Service Station. Across 449 stations, unleaded averages 160.5p/L and diesel 181.6p/L. Supermarket forecourts in Wales average 0.8p/L less than branded stations for unleaded.

Unleaded (E10)

149.8p cheapest

Avg 160.5pHigh 186.9pSpread 37.1p442 priced

Diesel

163.8p cheapest

Avg 181.6pHigh 205.9pSpread 42.1p443 priced

Cheapest Unleaded (E10) in Wales

  • 1. Commercial Street Service Station — Commercial Street Service Station · CASNEWYDD149.8p
  • 2. Murco — Daniel Davies and sons limited · CASTELL NEWYDD EMLYN149.9p
  • 3. Dragon — Tregele service station · CEMAES BAY150.9p
  • 4. Essar — Dyrham service station · NARBERTH150.9p
  • 5. Gulf — Victoria Filling Station · ABERDAUGLEDDAU152.7p

Cheapest Diesel in Wales

  • 1. Commercial Street Service Station — Commercial Street Service Station · CASNEWYDD163.8p
  • 2. Dragon — Tregele service station · CEMAES BAY164.9p
  • 3. Essar — Dyrham service station · NARBERTH167.7p
  • 4. Texaco — VST PARKSTREET FILLING STATION · Swansea173.9p
  • 5. Murco — O C Davies & Son Ltd · CARDIGAN173.9p

Data freshness

Updated 23 Aug 2026, 23:28

Methodology

PetrolPal groups stations by country, region, and city from postcode-derived location data. Local pages are designed to help drivers compare nearby petrol and diesel prices before choosing where to fill up.

Citation

Source: PetrolPal, using official UK forecourt fuel price data. Cite: https://petrolpal.co.uk/fuel-prices/wales

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Areas

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Barry

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Blackwood

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Caerfyrddin

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Caerphilly

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Cardiff

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Cardigan

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Carmarthen

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Casnewydd

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Chepstow

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Colwyn Bay

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Ebbw Vale

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Haverfordwest

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Lampeter

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Llandrindod

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Llandrindod Wells

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Llandudno

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Llandysul

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Llanelli

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Merthyr Tydfil

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Monmouth

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Narberth

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Neath

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Newport

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Pontypool

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Pontypridd

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Porthmadog

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Pwllheli

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Rhyl

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Swansea

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Wrecsam

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Wrexham

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About Wales Fuel Prices

PetrolPal tracks live fuel prices in Wales using official UK Government data, updated hourly. Compare petrol and diesel prices from supermarkets, branded stations, and independents to find the cheapest fuel near you.

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