Local price scan
Cheapest petrol and diesel prices in Caerfyrddin
3 tracked forecourts in Caerfyrddin, last updated 2 October 2026. Prices are pence per litre.
Unleaded petrol (E10)
173.9p
cheapest · 174.2p average across 3 stations
Diesel (B7)
199.9p
cheapest · 199.9p average across 3 stations
Super unleaded (E5)
184.9p
cheapest · 187.4p average across 2 stations
HVO renewable diesel
235.0p
cheapest · 235.0p average across 1 station
Caerfyrddin stations ranked by price
| oil 4 wales ltd Nantycawsoil 4 wales ltd · SA32 8BG | 173.9p | 199.9p | — | 235.0p |
|---|---|---|---|---|
| VST TOWY SERVICES STATIONTEXACO · SA31 2BN | 173.9p | 199.9p | 189.9p | — |
| CARMARTHEN EXTRA - PETROL FILLING STATIONTESCO · SA31 3AX | 174.9p | 199.9p | 184.9p | — |
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Caerfyrddin price history
Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.
Where these stations are
What drivers in Caerfyrddin should know
The gap between the cheapest and most expensive forecourt in Caerfyrddin is currently 1.0p per litre. On a typical 55-litre fill that is about £0.55 — worth a short detour if a cheaper site is already on your route.
At 174.2p the average unleaded petrol (e10) price in Caerfyrddin is below the UK-wide average of 174.7p that PumpScan is tracking, a difference of 0.5p per litre.
Brands represented locally include TESCO, oil 4 wales ltd, TEXACO. Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Caerfyrddin 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 Caerfyrddin against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.
All filling stations in Caerfyrddin
- CARMARTHEN EXTRA - PETROL FILLING STATIONTESCO STORES, LON MORFA, CAERFYRDDIN
- oil 4 wales ltd NantycawsNANTYCAWS FILLING STATION LTD, LLANDDAROG ROAD, CAERFYRDDIN, SA32 8BG, CAERFYRDDIN
- VST TOWY SERVICES STATIONTOWY SERVICE STATION, THE BRIDGE, CAERFYRDDIN, SA31 2BN, CAERFYRDDIN
Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/caerfyrddin