CF postcodes, prices updated 10:00 on 28 August 2026
Cheapest petrol and diesel in Cardiff today
Typical petrol across the Cardiff postcode area is 159.9p a litre and diesel 181.9p, from 101 forecourts. The cheapest petrol we can see is 155.9p at MFG Morrisons Bargoed, CF81 8YD. Cardiff ranks 8 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 Cardiff area
Ranked by the forecourt's own reported price. The spread between the cheapest and the tenth is 1.0p a litre, £0.55 on a 55 litre tank. Each price shows when the forecourt set it.
Diesel (B7)
The ten cheapest diesel forecourts in the Cardiff area
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Questions
Cardiff fuel prices, answered
How much is petrol in Cardiff today?
The typical E10 petrol price across the CF postcode area is 159.9p a litre as of 10:00 on 28 August 2026, with the cheapest forecourt at 155.9p. That is about £87.94 for a 55 litre tank at the typical price.
Where is the cheapest petrol in Cardiff?
Right now the lowest E10 price in the area is 155.9p at MFG Morrisons Bargoed, CF81 8YD. 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 Cardiff?
Typical B7 diesel across the area is 181.9p a litre, and the cheapest diesel we can see is 175.9p at Hengoed Ystrad Mynach Superstore - Petrol Filling Station, CF82 7DP.
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.