Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 156.8p 0.1% (-0.1p) 7d avg: 156.8p Prices stable | Super Unleaded (E5) 174.1p 0.1% (-0.1p) 7d avg: 174.1p Prices stable | Diesel (B7) 188.1p 0.4% (-0.8p) 7d avg: 188.4p Prices stable | Super Diesel (SDV) 208.1p 0.3% (-0.6p) 7d avg: 208.3p Prices stable |
Fuel Price Check Analysis – Week of April 28, 2026 Petrol (E10) 156.8p 0.1% (-0.1p) 7d avg: 156.8p Prices stable | Super Unleaded (E5) 174.1p 0.1% (-0.1p) 7d avg: 174.1p Prices stable | Diesel (B7) 188.1p 0.4% (-0.8p) 7d avg: 188.4p Prices stable | Super Diesel (SDV) 208.1p 0.3% (-0.6p) 7d avg: 208.3p Prices stable |

Fuel Prices in Tonypandy, Trealaw, Penygraig, Dinas, William...

Live comparison for CF40 area. Tracking 2 stations across 25 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 3 May 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)
156.3p 155.9p
0.4p (0.3%)
Diesel (B7)
188.3p 187.5p
0.8p (0.4%)
Cheapest Today
Petrol
ASDA
COLLIERS WAY, TONYPA...
152.7p
View Details
Super Unleaded
SHELL
TYLACELYN ROAD, TONY...
179.9p
View Details
Diesel
ASDA
COLLIERS WAY, TONYPA...
185.7p
View Details
Super Diesel
SHELL
TYLACELYN ROAD, TONY...
214.9p
View Details
Area Averages vs National
Petrol
154.3p
▼ 2.5p vs UK Avg
Super Unleaded
179.9p
▲ 5.8p vs UK Avg
Diesel
185.8p
▼ 2.2p vs UK Avg
Super Diesel
214.9p
▲ 6.8p vs UK Avg
All Fuel Stations in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer (CF40)
ASDA
COLLIERS WAY, TONYPANDY, WALES
E10
152.7
B7
185.7
1 hour ago
SHELL
TYLACELYN ROAD, TONYPANDY, MID GLAMORGAN, UNITED KINGDOM
E10
155.9
E5
179.9
B7
185.9
SDV
214.9
1 hour ago
Frequently Asked Questions About Fuel in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer

As of 3 May 2026, the cheapest E10 petrol in Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer is 152.7p at ASDA, COLLIERS WAY, TONYPANDY, WALES.

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.

Not today. ASDA is actually cheaper than local supermarkets in CF40. It's always worth comparing before filling up.

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 185.7p at ASDA. You can also use our interactive fuel map to compare diesel prices visually.

Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.