Petrol and Diesel Prices in Casnewydd
Compare petrol and diesel prices at 6 petrol stations in Casnewydd. Prices last updated 07:24 09/05/2026.
Petrol (E10)
154.8p
at Commercial Street Service Station
Diesel (B7)
185.8p
at Commercial Street Service Station
Super Unleaded (E5)
162.8p
at Commercial Street Service Station
Premium Diesel
190.8p
at Commercial Street Service Station
Unleaded (E10)
157.0p avg
1.5p below UK average (158.5p)
Diesel
189.0p avg
In line with UK average (189.1p)
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.
Stations within a few miles of Casnewydd — worth the short drive for cheaper fuel.
Casnewydd currently has 6 petrol stations tracked by FuelCosts.co.uk. The average unleaded petrol price in Casnewydd today is 157.0p per litre, which is 1.5p below the UK national average of 158.5p.
The cheapest unleaded petrol in Casnewydd right now is 154.8p at Commercial Street Service Station. The cheapest diesel is 185.8p at Commercial Street Service 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.