Petrol and Diesel Prices in Casnewydd
Compare petrol and diesel prices at 5 petrol stations in Casnewydd. Prices last updated 11:16 26/09/2026.
Petrol (E10)
171.9p
at NEWPORT EXTRA - PETROL FILLING STATION
Diesel (B7)
194.9p
at NEWPORT EXTRA - PETROL FILLING STATION
Super Unleaded (E5)
181.9p
at NEWPORT EXTRA - PETROL FILLING STATION
Premium Diesel
212.9p
at NEWPORT CHEPSTOW RD ESSO EXPRESS
Unleaded (E10)
175.0p avg
1.0p above UK average (174.0p)
Diesel
199.0p avg
In line with UK average (199.0p)
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 5 petrol stations tracked by FuelCosts.co.uk. The average unleaded petrol price in Casnewydd today is 175.0p per litre, which is 1.0p above the UK national average of 174.0p.
The cheapest unleaded petrol in Casnewydd right now is 171.9p at NEWPORT EXTRA - PETROL FILLING STATION. The cheapest diesel is 194.9p 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.