Petrol and diesel prices in Caernarfon

Cheapest petrol near Caernarfon right now: 171.9p at Texaco Caer Service Station, reported 09:34 on 14 Oct. Petrol in Caernarfon averages 171.6p, 2.6p below the UK average. Cheapest diesel: 195.9p at Texaco Dolydd. Diesel in Caernarfon averages 197.9p, 1.3p below the UK average.

  • Texaco Dolydd showed 169.9p for petrol when it last reported, on 13 Oct. That price may have changed.
  • No town within 15 miles has cheaper petrol than Caernarfon's best price today.
  • Supermarket forecourts in Caernarfon average 171.9p for petrol, 0.3p more than other forecourts.
  • 1 of 7 forecourts here reported a petrol price in the last 3 days. Older prices show the date they were reported.
  • Caernarfon is in the Gwynedd council area, 133rd cheapest of 354 for petrol in the council league table, averaging 174.2p.
Cheapest petrol near Caernarfon
Texaco Dolydd 169.9p 3¼ mi Modurdy Dolydd Garage, Dolydd, Caernarfon, Ll54 7ef, Caernarfon, LL54 7EF · reported 13 Oct Texaco Caer Service Station 171.9p ¼ mi Caer Service Station, South Road, Caernarfon, Ll55 2hp, Caernarfon, LL55 2HP MFG Morrisons Caernarfon 171.9p ¾ mi Ffordd Y Gogledd (North Road), Caernarfon, LL55 1BE · reported 10 Oct Shell Gwalia Garage Caernarfon Limited 171.9p 1¼ mi Gwalia Garage Ltd, Caernarfon, LL55 2SS · reported 11 Oct London Garage Service Station 171.9p 4¼ mi London Garage Ltd, Cwm-Y-Glo, Caernarfon, Ll55 4de, Caernarfon, LL55 4DE · reported 12 Oct Ddraig Goch Garage 179.9p 3¼ mi Dwyran, Llanfair Pg, LL61 6RP

Distance in miles from Caernarfon town centre, as the crow flies. Showing stations within 5 miles.

Cheapest diesel near Caernarfon
Texaco Dolydd 195.9p 3¼ mi Modurdy Dolydd Garage, Dolydd, Caernarfon, Ll54 7ef, Caernarfon, LL54 7EF Texaco Caer Service Station 196.9p ¼ mi Caer Service Station, South Road, Caernarfon, Ll55 2hp, Caernarfon, LL55 2HP MFG Morrisons Caernarfon 196.9p ¾ mi Ffordd Y Gogledd (North Road), Caernarfon, LL55 1BE · reported 13 Oct Shell Gwalia Garage Caernarfon Limited 197.9p 1¼ mi Gwalia Garage Ltd, Caernarfon, LL55 2SS · reported 11 Oct London Garage Service Station 199.9p 4¼ mi London Garage Ltd, Cwm-Y-Glo, Caernarfon, Ll55 4de, Caernarfon, LL55 4DE · reported 12 Oct Ddraig Goch Garage 204.9p 3¼ mi Dwyran, Llanfair Pg, LL61 6RP

Distance in miles from Caernarfon town centre, as the crow flies. Showing stations within 5 miles.

Average petrol in Caernarfon171.6p−2.6p vs UK average
Average diesel in Caernarfon197.9p−1.3p vs UK average
Cheapest vs dearest petrol£2.00on a 50-litre tank in Caernarfon

Price trend

We started recording daily average prices in Caernarfon on 16 October 2026. The trend chart appears here once there are a few days of data.

Not in central Caernarfon?

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All petrol stations in Caernarfon

7 petrol stations with a Caernarfon address, cheapest petrol first.

StationPetrolDieselReported
Murco Clynnog Service StationClynnog-Fawr, Caernarfon, LL54 5PF 169.9p197.9p 12 Oct
Texaco DolyddModurdy Dolydd Garage, Dolydd, Caernarfon, Ll54 7ef, Caernarfon, LL54 7EF 169.9p195.9p 16 Oct
London Garage Service StationLondon Garage Ltd, Cwm-Y-Glo, Caernarfon, Ll55 4de, Caernarfon, LL55 4DE 171.9p199.9p 12 Oct
MFG Morrisons CaernarfonFfordd Y Gogledd (North Road), Caernarfon, LL55 1BE 171.9p196.9p 13 Oct
Texaco Caer Service StationCaer Service Station, South Road, Caernarfon, Ll55 2hp, Caernarfon, LL55 2HP 171.9p196.9p 14 Oct
Shell Gwalia Garage Caernarfon LimitedGwalia Garage Ltd, Caernarfon, LL55 2SS 171.9p197.9p 11 Oct
Texaco Beran Filling StationBeran Garage, Caernarfon, LL55 3NF · Open 24 hours 173.9p199.9p 19 Sept

Supermarket fuel prices in Caernarfon

One supermarket forecourt in Caernarfon, cheapest petrol first.

StationPetrolDieselMiles
MFG Morrisons CaernarfonFfordd Y Gogledd (North Road), Caernarfon, LL55 1BE 171.9p196.9p<1

24-hour petrol stations in Caernarfon

1 station sells fuel 24 hours a day in Caernarfon, cheapest petrol first. Shop hours can be shorter; check the station page.

StationPetrolDieselMiles
Texaco Beran Filling StationBeran Garage, Caernarfon, LL55 3NF 173.9p199.9p6

Super unleaded and AdBlue in Caernarfon

Super unleaded (E5)

4 stations in and around Caernarfon sell super unleaded (e5), averaging 187.4p a litre. The cheapest is Shell Gwalia Garage Caernarfon Limited at 183.9p.

AdBlue

AdBlue at the pump at Shell Gwalia Garage Caernarfon Limited, London Garage Service Station and Texaco Beran Filling Station.

Fuel price alerts for Caernarfon

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Fuel prices in nearby towns

Llanfair Pg3 milesGaerwen6 milesLlanfairpwllgwyngyll6 milesBangor, Wales7 milesIsle of Anglesey7 milesLlangefni8 milesPentraeth10 milesBenllech12 miles

Fuel prices across Gwynedd · All towns in Wales

Questions about fuel prices in Caernarfon

Where is the cheapest petrol in Caernarfon?

Today the cheapest petrol near Caernarfon is 171.9p a litre at Texaco Caer Service Station, Caer Service Station, South Road, Caernarfon, Ll55 2hp, Caernarfon, LL55 2HP.

How much is diesel in Caernarfon today?

Diesel averages 197.9p a litre across 7 forecourts in Caernarfon, against a UK average of 199.2p.

Which supermarket has the cheapest petrol in Caernarfon?

MFG Morrisons Caernarfon is cheapest at 171.9p a litre.

How up to date are these prices?

Forecourts report their prices to the government's Fuel Finder scheme and we refresh them twice a day. These were last updated 17:30 today. Each forecourt's table row shows the day its price was reported.

Is there a 24-hour petrol station in Caernarfon?

Yes. Texaco Beran Filling Station sells fuel 24 hours a day.