Cheapest unleaded
169.9p
Fuel prices in LL55 today, 4 November 2026
Live petrol and diesel prices at 5 stations in the LL55 postcode area, cheapest first, from the government's Fuel Finder open data. 1 has a price more than 30 days old, so it's listed last with the date of the last report.
Cheapest diesel
196.7p
Avg unleaded (LL55)
171.4p
Avg diesel (LL55)
197.4p
Cheapest and average prices from the 4 stations reporting in the 30 days to 4 November 2026.
5 fuel stations in the LL55 postcode area report pump prices to the government's Fuel Finder scheme. Unleaded runs from 169.9p at Essar up to 171.9p, a 2.0p gap across LL55, so it pays to check before you fill up. On average LL55 is 0.7p dearer than the UK as a whole.
Essar
London Garage Ltd, Cwm-Y-Glo, Caernarfon
LL55 4DE
AdBlue pump
Unleaded169.9p
Diesel198.9p
Morrisons
Ffordd Y Gogledd (North Road), Caernarfon
LL55 1BE
Price last reported 28 Sept
Car wash · Air · Water · Toilets
Unleaded171.7p
Diesel196.7p
Texaco
Caer Service Station, South Road, Caernarfon
LL55 2HP
Car wash · Air · Water · Toilets
Unleaded171.9p
Diesel196.9p
Shell
Gwalia Garage Ltd, Caeathro, Caernarfon
LL55 2SS
Car wash · Air · Water · Toilets · AdBlue pump
Unleaded171.9p
Diesel196.9p
Texaco
Beran Garage, Deiniolen, Caernarfon
LL55 3NF
Price last reported 19 Sept
24 hours · Car wash · Air · Water · Toilets · AdBlue pump
Unleaded173.9p
Diesel199.9p
Data updated 1 minutes ago.
Cheapest fuel in LL55: quick answers
Where is the cheapest petrol in LL55?
The cheapest unleaded in the LL55 postcode area right now is 169.9p per litre at Essar, LONDON GARAGE LTD, CWM-Y-GLO, CAERNARFON. The LL55 average is 171.4p.
Where is the cheapest diesel in LL55?
The lowest diesel price in LL55 is currently 196.7p per litre at Morrisons, FFORDD Y GOGLEDD (NORTH ROAD), CAERNARFON.