Cheapest Petrol Prices in Gwent
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
144.7p
per litre · avg 150.29p
Cheapest Diesel (B7)
156.9p
per litre · avg 165.44p
Compare live petrol and diesel prices across 20 fuel stations in Gwent. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Gwent today is 144.7p per litre, available at Avondale Service Station.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in 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 Gwent
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| Avondale Service Station | 144.7p | 157.7p | 165.9p | 182.9p |
| MFG MORRISONS CWMBRAN | 145.9p | 157.9p | 165.9p | 167.9p |
| SAINSBURYS CWMBRAN | 144.9p | 156.9p | 156.9p | — |
| ASDA CWMBRAN EXPRESS PETROL | 150.9p | 167.9p | 169.9p | 186.9p |
| ASDA FOLLY TOWER EXPRESS PETROL | 151.9p | 171.9p | 170.9p | 190.9p |
| RONTEC PONTYPOOL | 150.9p | 169.9p | 169.9p | 188.9p |
| Albion Service Station | 144.9p | 156.9p | 158.9p | 170.9p |
| PONTYPOOL SUPERSTORE - PETROL FILLING STATION | 145.9p | 159.9p | — | — |
| BR Ponthir | 153.9p | 168.9p | — | — |
| MALPAS SF CONNECT | 152.9p | 167.9p | 173.9p | 188.9p |
| Pavilion Service Station | 145.9p | 157.9p | 165.9p | — |
| SAINSBURYS NEWPORT | 146.9p | 158.9p | 158.9p | — |
| WOODSIDE | 150.9p | 168.9p | 175.9p | — |
| SHELL NEWPORT | 155.9p | 168.9p | 179.9p | 194.9p |
| ASDA CASNEWYDD EXPRESS PETROL | 153.9p | 170.9p | 172.9p | 189.9p |
| MFG NEWPORT | 153.9p | 166.9p | 169.9p | 185.9p |
| NEWPORT CHEPSTOW RD ESSO EXPRESS | 151.9p | 168.9p | 166.9p | 182.9p |
| ASDA NEWPORT EXPRESS PETROL | 154.9p | 172.9p | 172.9p | — |
| ASDA STOW HILL EXPRESS PETROL | 152.9p | 170.9p | 171.9p | — |
| G.F.Williams&Sons Risca Garages Ltd | 151.9p | 167.9p | 157.9p | 173.9p |
Frequently Asked Questions
What is the cheapest petrol price in Gwent?
The cheapest petrol in Gwent is currently 144.7p per litre as of 22 July 2026. The average across all stations is 150.29p.
Which supermarket has the cheapest fuel in Gwent?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Gwent. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for 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.