Cheapest petrol near SA31
Cheapest petrol in SA31, Swansea
Updated 28 August 2026. Prices from the official Fuel Finder open data, refreshed twice a day.
The cheapest petrol near SA31 right now is 157.9p at Gwalia Garage, SA32 7DR. Typical petrol across the 9 forecourts within five miles is 159.9p a litre and diesel 180.9p. The spread here is 6.0p a litre, which is £3.30 on a 55 litre tank, so where you fill up matters.
Cheapest petrol near SA31 today
Cheapest diesel near SA31 today
Every price is the forecourt's own submission to the Fuel Finder scheme, ranked green for the cheapest through to red for the dearest within five miles of the district centre. Enter your full postcode on the home page for the exact forecourts around you, or set a free alert for when the price near you drops.
Common questions about petrol in SA31
How much is petrol in SA31 today?
The typical petrol price within five miles of SA31 is 159.9p a litre as of 10:00 on 28 August 2026, and the cheapest we can see is 157.9p at Gwalia Garage, SA32 7DR. That is about £87.94 for a 55 litre tank at the typical price.
Where is the cheapest petrol near SA31?
Right now the lowest price near SA31 is 157.9p at Gwalia Garage, SA32 7DR. Supermarket forecourts are usually close behind. Enter your full postcode in the search for the exact forecourts around you.
How much is diesel in SA31?
Typical diesel within five miles of SA31 is 180.9p a litre, and the cheapest is 179.9p at Vst Towy Services Station, SA31 2BN.
How current are these prices?
Forecourts must report a change to the official Fuel Finder scheme within 30 minutes, and this page is rebuilt twice a day. It was last updated at 10:00 on 28 August 2026.