Local price scan
Cheapest petrol and diesel prices in Casnewydd
5 tracked forecourts in Casnewydd, last updated 7 October 2026. Prices are pence per litre.
Unleaded petrol (E10)
174.9p
cheapest · 176.3p average across 5 stations
Diesel (B7)
196.9p
cheapest · 199.5p average across 5 stations
Super unleaded (E5)
184.9p
cheapest · 193.6p average across 3 stations
Premium diesel
214.9p
cheapest · 214.9p average across 1 station
Casnewydd price history
Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.
Casnewydd stations ranked by price
| Hillcroft StoresGulf · NP18 2JN | 174.9p | 198.9p | — | — |
|---|---|---|---|---|
| NEWPORT EXTRA - PETROL FILLING STATIONTESCO · NP20 3BA | 174.9p | 196.9p | 184.9p | — |
| NEWPORT CHEPSTOW RD ESSO EXPRESSESSO · NP19 9EZ | 175.9p | 200.9p | 190.9p | 214.9p |
| BR PonthirSpar · NP18 3NY | 176.9p | 199.9p | — | — |
| Esso Sinclair garagesEsso Sinclair garages · NP19 0HE | 178.9p | 200.9p | 204.9p | — |
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Where these stations are
What drivers in Casnewydd should know
The gap between the cheapest and most expensive forecourt in Casnewydd is currently 4.0p per litre. On a typical 55-litre fill that is about £2.20 — worth a short detour if a cheaper site is already on your route.
At 176.3p the average unleaded petrol (e10) price in Casnewydd is above the UK-wide average of 174.7p that PumpScan is tracking, a difference of 1.6p per litre.
Brands represented locally include Spar, Esso Sinclair garages, Gulf , ESSO, TESCO. Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Casnewydd 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 Casnewydd against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.
All filling stations in Casnewydd
- BR PonthirSPAR STORES, PONTHIR ROAD, CAERLEON, CASNEWYDD
- Esso Sinclair garagesSINCLAIR GARAGES, CORPORATION ROAD, CASNEWYDD, NP19 0HE, CASNEWYDD
- Hillcroft StoresHILLCROFT GARAGE, CHEPSTOW ROAD, LANGSTONE, CASNEWYDD
- NEWPORT CHEPSTOW RD ESSO EXPRESSCHEPSTOW RD, CASNEWYDD
- NEWPORT EXTRA - PETROL FILLING STATIONUNIT 6 HARLECH RETAIL PARK, CARDIFF ROAD, CASNEWYDD
Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/casnewydd