Cheapest unleaded
169.9p
Fuel prices in WD18 today, 12 September 2026
Live petrol and diesel prices at 1 station in the WD18 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
193.9p
Avg unleaded (WD18)
169.9p
Avg diesel (WD18)
193.9p
Data updated 1 hour ago.
Cheapest fuel in WD18: quick answers
Where is the cheapest petrol in WD18?
The cheapest unleaded in the WD18 postcode area right now is 169.9p per litre at Bp Harvest Energy, WIGGENHALL ROAD, WATFORD. The WD18 average is 169.9p.
Where is the cheapest diesel in WD18?
The lowest diesel price in WD18 is currently 193.9p per litre at Bp Harvest Energy, WIGGENHALL ROAD, WATFORD.