SA postcodes, prices updated 10:00 on 28 August 2026
Cheapest petrol and diesel in Swansea today
Typical petrol across the Swansea postcode area is 159.9p a litre and diesel 181.9p, from 142 forecourts. The cheapest petrol we can see is 153.9p at O C Davies & Son Ltd, SA43 1SB. Swansea ranks 9 of 20 cities for cheap petrol today. Search your own postcode for the exact five miles around you.
Petrol (E10)
The ten cheapest petrol forecourts in the Swansea area
Ranked by the forecourt's own reported price. The spread between the cheapest and the tenth is 3.0p a litre, £1.65 on a 55 litre tank. Each price shows when the forecourt set it.
Diesel (B7)
The ten cheapest diesel forecourts in the Swansea area
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Questions
Swansea fuel prices, answered
How much is petrol in Swansea today?
The typical E10 petrol price across the SA postcode area is 159.9p a litre as of 10:00 on 28 August 2026, with the cheapest forecourt at 153.9p. That is about £87.94 for a 55 litre tank at the typical price.
Where is the cheapest petrol in Swansea?
Right now the lowest E10 price in the area is 153.9p at O C Davies & Son Ltd, SA43 1SB. Supermarket forecourts are usually close behind. Use the search above with your own postcode for the exact five miles around you.
How much is diesel in Swansea?
Typical B7 diesel across the area is 181.9p a litre, and the cheapest diesel we can see is 174.9p at Swansea Pontardawe Superstore - Petrol Filling Station, SA8 3AZ.
How current are these prices?
Forecourts have to report a change within 30 minutes and this page is rebuilt twice a day; it was last updated at 10:00 on 28 August 2026. Each price shows when the forecourt set it.
Other cities
Typical petrol elsewhere today
Postcode areas reach beyond the city itself, so each figure is the median of every forecourt in those postcodes. Full ranking on the front page.