Local price scan
Cheapest petrol and diesel prices in Y Trallwng
1 tracked forecourt in Y Trallwng, last updated 30 September 2026. Prices are pence per litre.
Unleaded petrol (E10)
173.5p
cheapest · 173.5p average across 1 station
B10 diesel
196.5p
cheapest · 196.5p average across 1 station
Y Trallwng price history
Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.
Limited history is available so far. This chart will become more detailed as prices change.
Y Trallwng stations ranked by price
| H Ballard and Son MotorsH Ballard and Son Motors · SY21 7NJ | 173.5p | 196.5p |
|---|
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Where these stations are
What drivers in Y Trallwng should know
We are still building a full price picture for Y Trallwng. As more forecourts report, this page will show the local spread between the cheapest and dearest pumps.
At 173.5p the average unleaded petrol (e10) price in Y Trallwng is below the UK-wide average of 174.7p that PumpScan is tracking, a difference of 1.2p per litre.
Brands represented locally include H Ballard and Son Motors . Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Y Trallwng tend to move within a day or two of a change in the wholesale oil price. Filling up mid-week and avoiding a near-empty tank on a motorway trip are the two simplest ways to keep costs down.
Compare Y Trallwng against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.
All filling stations in Y Trallwng
Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/y-trallwng