Petrol and Diesel Prices in Treharris
Compare petrol and diesel prices at 1 petrol stations in Treharris, MERTHYR TYDFIL. Prices last updated 12:40 12/05/2026.
Petrol (E10)
155.9p
at TREHARRIS SERVICE STATION
Diesel (B7)
186.9p
at TREHARRIS SERVICE STATION
Super Unleaded (E5)
N/A
Premium Diesel
204.9p
at TREHARRIS SERVICE STATION
Unleaded (E10)
156.0p avg
2.5p below UK average (158.5p)
Diesel
187.0p avg
1.7p below UK average (188.7p)
Price History in Treharris
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 Treharris — worth the short drive for cheaper fuel.
Treharris (MERTHYR TYDFIL) currently has 1 petrol station tracked by FuelCosts.co.uk. The average unleaded petrol price in Treharris today is 156.0p per litre, which is 2.5p below the UK national average of 158.5p.
The cheapest unleaded petrol in Treharris right now is 155.9p at TREHARRIS SERVICE STATION. The cheapest diesel is 186.9p at TREHARRIS SERVICE STATION.
Fuel prices in Treharris 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.