Cheapest unleaded
168.9p
Fuel prices in SL4 today, 4 November 2026
Live petrol and diesel prices at 5 stations in the SL4 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
198.9p
Avg unleaded (SL4)
172.1p
Avg diesel (SL4)
199.7p
5 fuel stations in the SL4 postcode area report pump prices to the government's Fuel Finder scheme. Unleaded runs from 168.9p at BP up to 173.9p, a 5.0p gap across SL4, so it pays to check before you fill up. On average SL4 is 1.1p dearer than the UK as a whole.
BP
Queens Head Filling Station, Windsor Road, Water Oakley, Windsor
SL4 5UJ
Price last reported 20 Sept
24 hours · Air · Water · Toilets · AdBlue pump
Unleaded168.9p
Diesel198.9p
BP
Maidenhead Road, Windsor
SL4 5EL
Price last reported 28 Sept
24 hours · Car wash · Air · Toilets
Unleaded169.9p
Diesel199.9p
Shell
Clarence Road, Windsor
SL4 5AN
Air · Water · Toilets
Unleaded173.9p
Diesel199.9p
Esso
Dedworth Road, Windsor
SL4 4JW
Price last reported 25 Sept
Air · Water
Unleaded173.9p
Diesel199.9p
BP
95 Straight Road, Old Windsor
SL4 2SE
Air · Toilets
Unleaded173.9p
Diesel199.9p
Data updated 12 hours ago.
Cheapest fuel in SL4: quick answers
Where is the cheapest petrol in SL4?
The cheapest unleaded in the SL4 postcode area right now is 168.9p per litre at BP, QUEENS HEAD FILLING STATION, WINDSOR ROAD, WATER OAKLEY, WINDSOR. The SL4 average is 172.1p.
Where is the cheapest diesel in SL4?
The lowest diesel price in SL4 is currently 198.9p per litre at BP, QUEENS HEAD FILLING STATION, WINDSOR ROAD, WATER OAKLEY, WINDSOR.