Cheapest Petrol Prices in Cas Gwent
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
170.9p
per litre · avg 179.63p
Cheapest Diesel (B7)
195.9p
per litre · avg 202.38p
Compare live petrol and diesel prices across 20 fuel stations in Cas Gwent. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Cas Gwent today is 170.9p per litre, available at THORNBURY SUPERSTORE - PETROL FILLING STATION.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Cas Gwent. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Cas Gwent
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| CHEPSTOW SUPERSTORE - PETROL FILLING STATION | 173.9p | 198.9p | — | — |
| MFG CHEPSTOW | 173.9p | 198.9p | 195.9p | 219.9p |
| EG Chepstow PFS | 174.7p | 199.7p | 188.9p | 219.9p |
| TGC - PWLLMEYRIC | 173.9p | 198.9p | 194.9p | 219.9p |
| SEVERN VIEW SERVICE AREA | 195.9p | 219.9p | 215.9p | 239.9p |
| Meredith Motors | — | 199.9p | 189.9p | — |
| CALDECOT FUEL EXPRESS AUTOMAT | 173.7p | 198.7p | — | — |
| NTS MANOR GARAGE SERVICE STATION | 174.9p | 199.9p | 194.9p | 219.9p |
| Pilning Garage | 239.9p | 229.9p | — | — |
| GLOBAL FUEL - ALVINGTON | 177.9p | 199.9p | 198.9p | 220.9p |
| THORNBURY SUPERSTORE - PETROL FILLING STATION | 170.9p | 195.9p | 181.9p | — |
| Thornbury Motors Ltd | 173.9p | 198.9p | 186.9p | — |
| MFG ALMONDSBURY | 174.9p | 199.9p | 195.9p | 219.9p |
| RONTEC MAGOR | 176.9p | 202.9p | 196.9p | 222.9p |
| LYDNEY HIGH ST SUPERSTORE - PETROL FILLING STATION | 175.9p | 199.9p | 185.9p | — |
| ASDA PATCHWAY SUPERCENTRE | 173.7p | 199.7p | — | — |
| MFG MORRISONS BRISTOL CRIBBS CAUSEWAY | 172.7p | 198.7p | 189.9p | — |
| SHELL CO-OP CRIBBS CAUSEWAY | 179.9p | 202.9p | 204.9p | 224.9p |
| EG PATCHWAY PFS | 175.9p | 201.9p | 195.9p | — |
| RONTEC STOKE BROOK | — | — | — | — |
Frequently Asked Questions
What is the cheapest petrol price in Cas Gwent?
The cheapest petrol in Cas Gwent is currently 170.9p per litre as of 18 October 2026. The average across all stations is 179.63p.
Which supermarket has the cheapest fuel in Cas Gwent?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Cas Gwent. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Cas Gwent?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.