Cheapest Petrol & Diesel in Sarn Today
☆ SaveLast updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.
Cheapest Petrol in Sarn
Cheapest Diesel in Sarn
Worth the Drive?
Petrol averages 10.0p less in Coity Higher (142.9p vs 152.9p here). The round trip is about 0 miles each way, costing roughly £0.15 in fuel at 35 mpg. A 60‑litre fill would save £6.00 — a net saving of £5.85 after the return journey.
Diesel averages 24.0p less in Coity Higher (153.9p vs 177.9p here). The round trip is about 0 miles each way, costing roughly £0.11 in fuel at 50 mpg. A 60‑litre fill would save £14.40 — a net saving of £14.29 after the return journey.
There are 1 fuel stations in Sarn reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 152.9p per litre across 1 stations. Diesel (B7) averages 177.9p across 1 stations. Unleaded is 2.3p above the national average of 150.6p.
Use our fuel station finder to find the most economical place to fill up near you, or calculate the fuel cost of a longer trip from Sarn.
Fuel Stations in Sarn
| Station | Postcode | E10 | E5 | B7 | SDV |
|---|---|---|---|---|---|
| Welcome Break, Sarn, Tondu and Bryncethin | CF32 9SY Motorway | 152.9p Cheapest | 164.9p Cheapest | 177.9p Cheapest | 189.9p Cheapest |
Station Map
Nearby Towns
Average Petrol and Diesel Prices in Sarn (pence per litre)
30-Day Price Trend in the Cardiff Region (pence per litre)
Daily averages across all stations in the Cardiff postcode area over the last 30 days. Sarn sits within this region.
What does fuel cost a typical driver in Sarn?
At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2383/year on fuel in Sarn (at 152.9p/L). That's £36 more than the UK average of £2347. Across the wider Cardiff (CF) postcode area petrol averages 148.9p/L, working out at £2321/year.
A diesel driver doing the same 12000 miles at 50 mpg spends about £1941/year at Sarn's average diesel price of 177.9p/L. That's £145 more than the UK average of £1796. Across the wider Cardiff (CF) postcode area diesel averages 162.2p/L — £1770/year.
Fuel Prices by Brand in Sarn
Average prices and cheapest station for each fuel brand in Sarn.
Welcome Break Fuel Prices in Sarn
There is 1 Welcome Break forecourt in Sarn. Petrol is 152.9p/L. Diesel is 177.9p/L. Live prices: Welcome Break, Sarn, Tondu and Bryncethin.
Show station details
| Station | Postcode | E10 | B7 |
|---|---|---|---|
| Welcome Break, Sarn, Tondu and Bryncethin | CF32 9SY | 152.9p | 177.9p |
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