Petrol and diesel prices in Gaerwen

Cheapest petrol near Gaerwen right now: 172.9p at Tyn Lon Garage Limited, reported 10:10 on 15 Oct. Cheapest diesel: 196.9p at Tyn Lon Garage Limited.

  • Asda Llangefni Supermarket showed 168.7p for petrol when it last reported, on 8 Oct. That price may have changed.
  • Asda Llangefni Supermarket showed 195.7p for diesel when it last reported, on 8 Oct. That price may have changed.
  • Petrol is 1.0p a litre cheaper in Caernarfon, 6 miles away, from 171.9p.
  • Gaerwen is in the Isle of Anglesey council area, 39th cheapest of 354 for petrol in the council league table, averaging 171.6p.
Cheapest petrol near Gaerwen
Asda Llangefni Supermarket 168.7p 3 mi Ffordd Cae Sel, Llangefni, LL77 7DW · reported 8 Oct Herron Services 168.9p 2¾ mi Herron Services, Llangefni, LL77 7EY · reported 7 Oct Pentraeth Services 168.9p 4½ mi Pentraeth Services, Pentraeth, LL75 8AZ · reported 7 Oct Bryn Llwyd Services 168.9p 5 mi Texaco Service Station, Bangor, LL57 4SU · reported 7 Oct Stermat Hardware Ltd 169.9p ¼ mi Stermat Hardware Ltd, Gaerwen, LL60 6BL · reported 9 Oct Tyn Lon Garage Limited 172.9p 2¾ mi Tyn Lon Garage Ltd, Ffordd Caergybi, Llanfairpwllgwyngyll, Ll61 5sx, Llanfairpwllgwyngyll, LL61 5SX Bangor Extra 175.9p 4¾ mi Caernarfon Road, Bangor, LL57 4SU Shell Britannia 177.9p 4¼ mi Mona Road, Isle of Anglesey, LL59 5EB · reported 12 Oct Ddraig Goch Garage 179.9p 4¾ mi Dwyran, Llanfair Pg, LL61 6RP

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

Cheapest diesel near Gaerwen
Asda Llangefni Supermarket 195.7p 3 mi Ffordd Cae Sel, Llangefni, LL77 7DW · reported 8 Oct Herron Services 195.9p 2¾ mi Herron Services, Llangefni, LL77 7EY · reported 9 Oct Pentraeth Services 195.9p 4½ mi Pentraeth Services, Pentraeth, LL75 8AZ · reported 9 Oct Bryn Llwyd Services 195.9p 5 mi Texaco Service Station, Bangor, LL57 4SU · reported 9 Oct Stermat Hardware Ltd 196.9p ¼ mi Stermat Hardware Ltd, Gaerwen, LL60 6BL · reported 9 Oct Tyn Lon Garage Limited 196.9p 2¾ mi Tyn Lon Garage Ltd, Ffordd Caergybi, Llanfairpwllgwyngyll, Ll61 5sx, Llanfairpwllgwyngyll, LL61 5SX Bangor Extra 199.9p 4¾ mi Caernarfon Road, Bangor, LL57 4SU · reported 2 Oct Shell Britannia 204.9p 4¼ mi Mona Road, Isle of Anglesey, LL59 5EB · reported 12 Oct Ddraig Goch Garage 204.9p 4¾ mi Dwyran, Llanfair Pg, LL61 6RP

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

Average petrol in Gaerwen169.9p−4.3p vs UK average
Average diesel in Gaerwen196.9p−2.3p vs UK average
UK average petrol174.2pdiesel 199.2p

Price trend

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

Not in central Gaerwen?

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All forecourts in Gaerwen

1 forecourt with a Gaerwen address, cheapest petrol first.

ForecourtPetrolDieselReported
Stermat Hardware LtdStermat Hardware Ltd, Gaerwen, LL60 6BL 169.9p196.9p 9 Oct

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Fuel prices in nearby towns

Llanfairpwllgwyngyll3 milesLlangefni3 milesIsle of Anglesey4 milesPentraeth5 milesLlanfair Pg5 milesBangor, Wales5 milesCaernarfon6 milesBenllech7 miles

All towns in Wales

Questions about fuel prices in Gaerwen

Where is the cheapest petrol in Gaerwen?

Today the cheapest petrol near Gaerwen is 172.9p a litre at Tyn Lon Garage Limited, Tyn Lon Garage Ltd, Ffordd Caergybi, Llanfairpwllgwyngyll, Ll61 5sx, Llanfairpwllgwyngyll, LL61 5SX.

How much is diesel in Gaerwen today?

Diesel averages 196.9p a litre across 1 forecourt in Gaerwen, against a UK average of 199.2p.

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.