Fuel Prices in Tonypandy, Trealaw, Penygraig, Dinas, William...
Live comparison for CF40 area. Tracking 2 stations across 26 brands. For a detailed breakdown including 7-day price trends, market competition analysis, and savings tips, and also find Today’s Cheapest Petrol and Diesel in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer .
Wales
2 Stations
2 Brands
Updated 19 Mar 2026
View Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer on the Fuel Map
Compare all 2 stations visually on our interactive map to find the cheapest fuel near your route.
7-Day Price Movement
Petrol (E10)
139.4p
142.8p
Diesel (B7)
157.1p
162.9p
Cheapest Today
Area Averages vs National
Petrol
141.8p
▼ 2.0p vs UK Avg
Super Unleaded
169.9p
▲ 8.0p vs UK Avg
Diesel
161.3p
▼ 3.6p vs UK Avg
Super Diesel
189.9p
▲ 4.3p vs UK Avg
All Fuel Stations in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer (CF40)
Frequently Asked Questions About Fuel in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer
As of 19 March 2026, the cheapest E10 petrol in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer is 140.7p at Asda, Colliers Way,, Tonypandy.
There is currently a 3.2p difference between the cheapest and most expensive stations in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer. For a standard 55-litre family car, that equals a saving of £1.76 per tank.
We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the Rhondda Cynon Taf area.
Yes, currently supermarkets are offering the lowest prices in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer. Asda is leading with the cheapest E10 petrol today.
We are currently tracking 2 active fuel stations in the CF40 area, operated by 2 different brands including Asda, SHELL and more.
The cheapest B7 diesel in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer is currently 158.7p at Asda. You can also use our interactive fuel map to compare diesel prices visually.
Nearby Locations
Ferndale, Blaenllechau, Tylorstown, Penrhys, Pontygwaith, Stanleytown, Maerdy (CF43)
Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown (CF39)
Pentre, Ton Pentre, Ystrad, Gelli (CF41)
Aberdare, Cwmaman, Aberaman, Llwydcoed, Cwmbach, Hirwaun, Penywaun, Rhigos, Penderyn (CF44)
Treorchy, Cwmparc, Ynyswen, Treherbert, Blaencwm, Blaenrhondda (CF42)
Pontypridd, Cilfynydd, Glyncoch, Graig, Treforest, Hopkinstown, Trallwng, Maesycoed, Pwllgwaun, Hawthorn, Rhydfelen, Trehafod, Ynysybwl, Coed-y-Cwm (CF37)
Mountain Ash, Abercynon, Penrhiwceiber (CF45)
Pontyclun, Llantrisant, Llanharan, Talbot Green, Brynsadler, Miskin, Brynna, Llanharry (CF72)
Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.