Cheapest unleaded
168.7p
Fuel prices in SL3 today, 4 November 2026
Live petrol and diesel prices at 7 stations in the SL3 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
194.9p
Avg unleaded (SL3)
173.5p
Avg diesel (SL3)
196.7p
7 fuel stations in the SL3 postcode area report pump prices to the government's Fuel Finder scheme. Unleaded runs from 168.7p at Murco up to 175.9p, a 7.2p gap across SL3, so it pays to check before you fill up. On average SL3 is 2.8p dearer than the UK as a whole.
Murco
Datchet Petrol Station, The Green, Datchet, Slough
SL3 9AR
Air · Water
Unleaded168.7p
Diesel195.7p
BP
4 Parlaunt Road, Slough
SL3 8BB
24 hours · Air · Water · Toilets
Unleaded172.9p
Diesel196.9p
Shell
85 London Road, Slough
SL3 7RS
Price last reported 18 Sept
Car wash · Air · Water · Toilets
Unleaded172.9p
Diesel195.9p
BP
575/581 London Road, Slough
SL3 8QE
24 hours · Air · Toilets
Unleaded174.9p
Diesel197.9p
BP
Golden Cross Service Station, High Street, Colnbrook, Slough
SL3 0JZ
Price last reported 5 Oct
24 hours · Car wash · Air · Water · AdBlue pump
Unleaded175.9p
Diesel197.9p
BP
Colnbrook By-Pass, Slough
SL3 0EH
24 hours · Car wash · Air · Water · Toilets · AdBlue pump
Unleaded175.9p
Diesel197.9p
Esso
80 London Rd, Slough
SL3 7HR
Price last reported 16 Sept
Air · Water
Unleaded172.9p
Diesel194.9p
Data updated 1 hour ago.
Cheapest fuel in SL3: quick answers
Where is the cheapest petrol in SL3?
The cheapest unleaded in the SL3 postcode area right now is 168.7p per litre at Murco, DATCHET PETROL STATION, THE GREEN, DATCHET, SLOUGH. The SL3 average is 173.5p.
Where is the cheapest diesel in SL3?
The lowest diesel price in SL3 is currently 194.9p per litre at Esso, 80 LONDON RD, SLOUGH.