Diesel prices in Caernarfon

Distances are from the centre of Caernarfon.

Cheapest reported within 50 miles · Diesel (B7)

194.9p

Dyffryn service station · Jet

Dyffryn Service Station, London Road, Y Fali, Caergybi, Ll65 3dp, Caergybi, LL65 3DP

16 miles away · Open 24 hours

Price changed 2 days ago

£1.52 less on 40 litres than the local median (198.7p)

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  1. 194.9pDyffryn service station · JetGo16 mi · Open 24 hours
    Price changed 2 days agoWrong price?
  2. 197.9pMeadowvale · JetGo20 mi · Closed, opens 06:00
    Price changed 4 days agoWrong price?
  3. 197.9pMostyn Broadway Service Station · JetGo23 mi · Open 24 hours
    Price changed 4 days agoWrong price?

Older prices

These haven't changed in over 30 days, so they're listed separately. They may still be right, as stations only report changes.

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Caernarfon fuel prices today

FuelCheapestTypicalStations
Unleaded (E10)167.9p169.9p111
Super unleaded (E5)178.9p185.9p68
Diesel (B7)194.9p198.7p112
Premium diesel214.9p217.4p43

Typical unleaded here is the same as the Great Britain typical price of 169.9p.

What's the cheapest petrol in Caernarfon today?

Porthmadog Superstore (Tesco) at 167.9p a litre, the lowest reported price at an open station within 50 miles. The typical price nearby is 169.9p.

What's the cheapest diesel in Caernarfon today?

Dyffryn service station (Jet) at 194.9p a litre, the lowest reported price at an open station within 50 miles. The typical price nearby is 198.7p.

Updated 9 November 2026 from GOV.UK Fuel Finder. "Typical" is the median of prices confirmed in the last 30 days. Closed stations are removed, and prices that differ sharply from nearby stations aren't ranked.

All stations in Caernarfon

Beran Filling StationCaer Service StationClynnog Service StationDolyddGwalia Garage Caernarfon LimitedLondon garage service stationMFG Morrisons Caernarfon

Nearby towns

PwllheliMoldWirralDeesideWrexhamBirkenheadOswestryWelshpool

Nearby postcode districts

LL55LL61LL60LL54LL59LL57LL77LL75