Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144p 2.4% (+3.4p) 7d avg: 142.3p Hold off if you can | Super Unleaded (E5) 161.9p 2.3% (+3.7p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.4p 3.6% (+5.8p) 7d avg: 162.6p Hold off if you can | Super Diesel (SDV) 185.9p 3.7% (+6.6p) 7d avg: 183p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 144p 2.4% (+3.4p) 7d avg: 142.3p Hold off if you can | Super Unleaded (E5) 161.9p 2.3% (+3.7p) 7d avg: 160.3p Hold off if you can | Diesel (B7) 165.4p 3.6% (+5.8p) 7d avg: 162.6p Hold off if you can | Super Diesel (SDV) 185.9p 3.7% (+6.6p) 7d avg: 183p Hold off if you can |

Fuel Prices in Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fr...

Live comparison for SA8 area. Tracking 3 stations across 53 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 Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy .

Wales 3 Stations 3 Brands
Updated 19 Mar 2026
View Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy on the Fuel Map

Compare all 3 stations visually on our interactive map to find the cheapest fuel near your route.

7-Day Price Movement
Petrol (E10)
138.1p 142.1p
4p (2.9%)
Diesel (B7)
157.9p 163.9p
6p (3.8%)
Cheapest Today
Petrol
TESCO
TESCO STORES LTD, GW...
135.9p
View Details
Super Unleaded
TESCO
TESCO STORES LTD, GW...
144.9p
View Details
Diesel
Trebanos Service Station
142-146 Swansea Rd,...
157.9p
View Details
Area Averages vs National
Petrol
139.6p
▼ 4.5p vs UK Avg
Super Unleaded
154.2p
▼ 7.9p vs UK Avg
Diesel
162.2p
▼ 3.2p vs UK Avg
All Fuel Stations in Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy (SA8)
TESCO
TESCO STORES LTD, GWYNS DRIFT, ALLTWEN, PONTARDAWE, SWANSEA, WALES
E10
135.9
E5
144.9
B7
158.9
11 minutes ago
Trebanos Service Station
142-146 Swansea Rd, Pontardawe Swansea, SA8 4BN, Swansea
E10
136.9
E5
151.9
B7
157.9
11 minutes ago
TEXACO
39 New Road,, Gellinudd , Pontardawe
E10
145.9
E5
165.9
B7
169.9
20 minutes ago
Frequently Asked Questions About Fuel in Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy

As of 19 March 2026, the cheapest E10 petrol in Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy is 135.9p at TESCO, TESCO STORES LTD, GWYNS DRIFT, ALLTWEN, PONTARDAWE, SWANSEA, WALES.

There is currently a 10.0p difference between the cheapest and most expensive stations in Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy. For a standard 55-litre family car, that equals a saving of £5.50 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 Neath Port Talbot area.

Not today. TESCO is actually cheaper than local supermarkets in SA8. It's always worth comparing before filling up.

We are currently tracking 3 active fuel stations in the SA8 area, operated by 3 different brands including TESCO, Trebanos Service Station, TEXACO and more.

The cheapest B7 diesel in Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy is currently 157.9p at Trebanos Service Station. 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.