Cheapest unleaded
168.9p
Fuel prices in CF3 today, 4 November 2026
Live petrol and diesel prices at 3 stations in the CF3 postcode area, cheapest first, from the government's Fuel Finder open data. 1 has a price more than 30 days old, so it's listed last with the date of the last report.
Cheapest diesel
197.9p
Avg unleaded (CF3)
169.4p
Avg diesel (CF3)
198.9p
Cheapest and average prices from the 2 stations reporting in the 30 days to 4 November 2026.
3 fuel stations in the CF3 postcode area report pump prices to the government's Fuel Finder scheme. Unleaded runs from 168.9p at Tesco up to 169.9p, a 1.0p gap across CF3, so it pays to check before you fill up. On average CF3 is 1.3p cheaper than the UK as a whole.
Tesco
Tesco Stores Ltd, Crickhowell Road, St. Mellons, Cardiff
CF3 0EF
Car wash · Air · Water · Toilets
Unleaded168.9p
Diesel197.9p
Esso
Newport Road, Castleton / Cardiff
CF3 2UR
Price last reported 28 Sept
24 hours · Car wash · Air · Water
Unleaded169.9p
Diesel199.9p
Texaco
St. Mellons Service Station, Newport Road, Old St. Mellons, Cardiff
CF3 5UG
Price last reported 29 Sept
24 hours · Car wash · Air
Unleaded175.9p
Diesel199.9p
Data updated 2 hours ago.
Cheapest fuel in CF3: quick answers
Where is the cheapest petrol in CF3?
The cheapest unleaded in the CF3 postcode area right now is 168.9p per litre at Tesco, TESCO STORES LTD, CRICKHOWELL ROAD, ST. MELLONS, CARDIFF. The CF3 average is 169.4p.
Where is the cheapest diesel in CF3?
The lowest diesel price in CF3 is currently 197.9p per litre at Tesco, TESCO STORES LTD, CRICKHOWELL ROAD, ST. MELLONS, CARDIFF.