Petrol and Diesel Prices in Casnewydd
Compare petrol and diesel prices at 6 petrol stations in Casnewydd. Prices last updated 09:44 27/03/2026.
Petrol (E10)
142.9p
at NEWPORT CHEPSTOW RD ESSO EXPRESS
Diesel (B7)
169.9p
at NEWPORT EXTRA - PETROL FILLING STATION
Super Unleaded (E5)
152.9p
at NEWPORT EXTRA - PETROL FILLING STATION
Premium Diesel
179.8p
at Commercial Street Service Station
Unleaded (E10)
149.0p avg
1.3p below UK average (150.3p)
Diesel
177.0p avg
1.3p below UK average (178.3p)
Price History in Casnewydd
See how fuel prices have changed over time with interactive charts and analysis.
Click any column header to sort. Prices shown in pence per litre.
Casnewydd currently has 6 petrol stations tracked by Fuel Costs UK. The average unleaded petrol price in Casnewydd today is 149.0p per litre, which is 1.3p below the UK national average of 150.3p.
The cheapest unleaded petrol in Casnewydd right now is 142.9p at NEWPORT CHEPSTOW RD ESSO EXPRESS. The cheapest diesel is 169.9p at NEWPORT EXTRA - PETROL FILLING STATION.
Fuel prices in Casnewydd are sourced from the UK Government's CMA Fuel Finder scheme and updated every 4 minutes. We recommend comparing prices before filling up, as prices can vary significantly between stations even within the same town.