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 4 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 447 stations, unleaded averages 160.4p/L and diesel 180.3p/L. Supermarket forecourts in Wales average 1.0p/L less than branded stations for unleaded.

Unleaded (E10)

149.8p cheapest

Avg 160.4pHigh 185.9pSpread 36.1p440 priced

Diesel

163.8p cheapest

Avg 180.3pHigh 205.9pSpread 42.1p441 priced

Cheapest Unleaded (E10) in Wales

  • 1. Commercial Street Service Station — Commercial Street Service Station · CASNEWYDD149.8p
  • 2. H Ballard and Son Motors — H Ballard and Son Motors · Y TRALLWNG149.9p
  • 3. Olew Trefigin Oil — B V REES LTD · Swansea149.9p
  • 4. Murco — CHIVERS CORNER GARAGE · Swansea149.9p
  • 5. Dragon — Tregele service station · CEMAES BAY150.9p

Cheapest Diesel in Wales

  • 1. Commercial Street Service Station — Commercial Street Service Station · CASNEWYDD163.8p
  • 2. Murco — KNELSTON SERVICE STATION · Swansea164.9p
  • 3. Murco — CHIVERS CORNER GARAGE · Swansea164.9p
  • 4. Dragon — Tregele service station · CEMAES BAY164.9p
  • 5. Essar — Dyrham service station · NARBERTH167.7p

Data freshness

Updated 4 Aug 2026, 07:55

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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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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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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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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