Fuel prices
Petrol and diesel prices in Caernarfon
Compare 7 stations and find the cheapest fuel in Caernarfon today.
In Caernarfon, unleaded petrol (E10) averages 171.2p per litre and standard diesel averages 197.3p per litre. The cheapest unleaded is at Murco for 168.9p per litre. Prices updated 2 November 2026, 18:42.
Average fuel prices in Caernarfon
Unleaded
171.2p/L
Lowest 168.9p · UK avg 171.0p
Diesel
197.3p/L
Lowest 195.9p · UK avg 198.4p
Super unleaded
187.4p/L
Lowest 183.9p · UK avg 190.0p
Latest price update in Caernarfon: 2 Nov 2026, 18:42. Source: GOV.UK Fuel Finder.
Cheapest unleaded in Caernarfon
-
Murco Cheapest
CLYNNOG-FAWR , CAERNARFON , LL54 5PF
168.9p
-
Essar
LONDON GARAGE LTD, CWM-Y-GLO, CAERNARFON, LL55 4DE, CAERNARFON, LL55 4DE
169.9p
-
Texaco
MODURDY DOLYDD GARAGE, DOLYDD, CAERNARFON, LL54 7EF, CAERNARFON, LL54 7EF
169.9p
-
MORRISONS
FFORDD Y GOGLEDD (NORTH ROAD), CAERNARFON, LL55 1BE
171.7p
-
Shell
GWALIA GARAGE LTD, CAERNARFON, LL55 2SS
171.9p
-
Texaco
CAER SERVICE STATION, SOUTH ROAD, CAERNARFON, LL55 2HP, CAERNARFON, LL55 2HP
171.9p
-
Texaco
BERAN GARAGE, CAERNARFON, LL55 3NF
173.9p
Cheapest diesel in Caernarfon
-
Murco Cheapest
CLYNNOG-FAWR , CAERNARFON , LL54 5PF
195.9p
-
Texaco
MODURDY DOLYDD GARAGE, DOLYDD, CAERNARFON, LL54 7EF, CAERNARFON, LL54 7EF
195.9p
-
MORRISONS
FFORDD Y GOGLEDD (NORTH ROAD), CAERNARFON, LL55 1BE
196.7p
-
Shell
GWALIA GARAGE LTD, CAERNARFON, LL55 2SS
196.9p
-
Texaco
CAER SERVICE STATION, SOUTH ROAD, CAERNARFON, LL55 2HP, CAERNARFON, LL55 2HP
196.9p
-
Essar
LONDON GARAGE LTD, CWM-Y-GLO, CAERNARFON, LL55 4DE, CAERNARFON, LL55 4DE
198.9p
-
Texaco
BERAN GARAGE, CAERNARFON, LL55 3NF
199.9p
Fuel prices in Caernarfon: FAQ
What is the average price of petrol in Caernarfon?
Unleaded (E10) in Caernarfon averages 171.2p per litre across 7 stations, ranging from 168.9p to 173.9p. That is 0.2p above the UK average.
What is the average price of diesel in Caernarfon?
Standard diesel in Caernarfon averages 197.3p per litre across 7 stations, ranging from 195.9p to 199.9p. That is 1.1p below the UK average.
Where is the cheapest petrol in Caernarfon?
Right now the cheapest unleaded we can see in Caernarfon is at Murco, CLYNNOG-FAWR , CAERNARFON , LL54 5PF, at 168.9p per litre. Prices change through the day, so check before you set off.
How often are these fuel prices updated?
We refresh prices every 15 minutes from the GOV.UK Fuel Finder scheme, where forecourts report their pump prices.
Fuel prices in other towns and cities
Contains public sector information licensed under the Open Government Licence v3.0. Prices from the GOV.UK Fuel Finder scheme.
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