Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 143.8p 2.3% (+3.2p) 7d avg: 142.3p Slight rise | Super Unleaded (E5) 161.9p 2.3% (+3.7p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 164.9p 3.3% (+5.3p) 7d avg: 162.5p Hold off if you can | Super Diesel (SDV) 185.6p 3.5% (+6.3p) 7d avg: 183p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 143.8p 2.3% (+3.2p) 7d avg: 142.3p Slight rise | Super Unleaded (E5) 161.9p 2.3% (+3.7p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 164.9p 3.3% (+5.3p) 7d avg: 162.5p Hold off if you can | Super Diesel (SDV) 185.6p 3.5% (+6.3p) 7d avg: 183p Hold off if you can |

Fuel Prices in Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog...

Live comparison for CF39 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 Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown .

Wales 2 Stations 2 Brands
Updated 19 Mar 2026
View Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown on the Fuel Map

Compare all 2 stations visually on our interactive map to find the cheapest fuel near your route.

Open Fuel Map
7-Day Price Movement
Petrol (E10)
139.4p 142.8p
3.4p (2.4%)
Diesel (B7)
157.1p 162.9p
5.8p (3.7%)
Cheapest Today
Petrol
TEXACO
NORTH ROAD, PORTH, R...
141.9p
View Details
Super Unleaded
TEXACO
NORTH ROAD, PORTH, R...
159.9p
View Details
Diesel
TEXACO
NORTH ROAD, PORTH, R...
165.9p
View Details
Super Diesel
TEXACO
NORTH ROAD, PORTH, R...
159.9p
View Details
Area Averages vs National
Petrol
141.9p
▼ 1.9p vs UK Avg
Super Unleaded
159.9p
▼ 2.0p vs UK Avg
Diesel
166.4p
▲ 1.5p vs UK Avg
Super Diesel
159.9p
▼ 25.7p vs UK Avg
All Fuel Stations in Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown (CF39)
TEXACO
NORTH ROAD, PORTH, RHONDDA, WALES
View
E10
141.9
E5
159.9
B7
165.9
SDV
159.9
7 minutes ago
GULF
MILL STREET, TONYREFAIL, PORTH, RHONDDA CYNON TAF, WALES
View
E10
141.9
E5
159.9
B7
166.9
15 minutes ago
Frequently Asked Questions About Fuel in Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown

As of 19 March 2026, the cheapest E10 petrol in Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown is 141.9p at TEXACO, NORTH ROAD, PORTH, RHONDDA, WALES.

Prices are very competitive across Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown, with minimal variation between stations.

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. TEXACO is actually cheaper than local supermarkets in CF39. It's always worth comparing before filling up.

We are currently tracking 2 active fuel stations in the CF39 area, operated by 2 different brands including TEXACO, GULF and more.

The cheapest B7 diesel in Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown is currently 165.9p at TEXACO. You can also use our interactive fuel map to compare diesel prices visually.
Nearby Locations
Tonypandy, Trealaw, Penygraig, Dinas, Williamstown, Cwm Clydach, Llwynypia, Penrhiwfer (CF40) Ferndale, Blaenllechau, Tylorstown, Penrhys, Pontygwaith, Stanleytown, Maerdy (CF43) Pontypridd, Cilfynydd, Glyncoch, Graig, Treforest, Hopkinstown, Trallwng, Maesycoed, Pwllgwaun, Hawthorn, Rhydfelen, Trehafod, Ynysybwl, Coed-y-Cwm (CF37) Pontyclun, Llantrisant, Llanharan, Talbot Green, Brynsadler, Miskin, Brynna, Llanharry (CF72) Pentre, Ton Pentre, Ystrad, Gelli (CF41) Llantrisant, Cowbridge (CF7) Mountain Ash, Abercynon, Penrhiwceiber (CF45) Llantwit Fardre, Church village, Tonteg, Efail Isaf, Beddau, Ty Nant (CF38)

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