Local price scan
Cheapest petrol and diesel prices in Caernarfon
7 tracked forecourts in Caernarfon, last updated 5 October 2026. Prices are pence per litre.
Unleaded petrol (E10)
167.9p
cheapest · 172.3p average across 7 stations
Diesel (B7)
188.9p
cheapest · 197.9p average across 7 stations
Super unleaded (E5)
184.9p
cheapest · 188.7p average across 4 stations
Caernarfon price history
Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.
Caernarfon stations ranked by price
| London garage service stationEssar · LL55 4DE | 167.9p | 188.9p | — |
|---|---|---|---|
| CLYNNOG SERVICE STATIONMurco · LL54 5PF | 169.9p | 198.9p | 189.9p |
| Caer Service StationTexaco · LL55 2HP | 172.9p | 198.9p | — |
| Gwalia Garage Caernarfon LimitedShell · LL55 2SS | 172.9p | 198.9p | 184.9p |
| Beran Filling StationTexaco · LL55 3NF | 173.9p | 199.9p | — |
| MFG MORRISONS CAERNARFONMORRISONS · LL55 1BE | 173.9p | 199.9p | 189.9p |
| dolyddTexaco · LL54 7EF | 174.9p | 199.9p | 189.9p |
Click a column heading to sort by that fuel — click again to flip the order.
Where these stations are
What drivers in Caernarfon should know
The gap between the cheapest and most expensive forecourt in Caernarfon is currently 7.0p per litre. On a typical 55-litre fill that is about £3.85 — worth a short detour if a cheaper site is already on your route.
At 172.3p the average unleaded petrol (e10) price in Caernarfon is below the UK-wide average of 174.7p that PumpScan is tracking, a difference of 2.4p per litre.
Brands represented locally include Texaco, Murco, Texaco , Shell, Essar. Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Caernarfon tend to move within a day or two of a change in the wholesale oil price. Filling up mid-week and avoiding a near-empty tank on a motorway trip are the two simplest ways to keep costs down.
Compare Caernarfon against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.
All filling stations in Caernarfon
- Beran Filling StationBERAN GARAGE, DEINIOLEN, CAERNARFON, LL55 3NF, CAERNARFON
- Caer Service StationCAER SERVICE STATION, SOUTH ROAD, CAERNARFON, LL55 2HP, CAERNARFON
- CLYNNOG SERVICE STATIONCLYNNOG-FAWR , CAERNARFON
- dolyddMODURDY DOLYDD GARAGE, DOLYDD, CAERNARFON, LL54 7EF, CAERNARFON
- Gwalia Garage Caernarfon LimitedGWALIA GARAGE LTD, CAEATHRO, CAERNARFON, LL55 2SS, CAERNARFON
- London garage service stationLONDON GARAGE LTD, CWM-Y-GLO, CAERNARFON, LL55 4DE, CAERNARFON
- MFG MORRISONS CAERNARFONFFORDD Y GOGLEDD (NORTH ROAD), CAERNARFON, GWYNEDD
Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/caernarfon