Unleaded: 168.9p a litre, 2.8p under the national average, filed Saturday 31 October
Unleaded within 5 miles
Sainsburys Apsley Mill: 162.9p a litre, 1.6 miles away. 6.0p a litre cheaper: saves £3.30 a tank, and costs about 59p of fuel to get there and back. Worth the trip.
Asda Hall Park Express Petrol: 164.9p a litre, 4.4 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.64 of fuel to get there and back. Worth the trip.
Hemel Hempstead Extra - Petrol Filling Station: 166.9p a litre, 0.6 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 22p of fuel to get there and back. Worth the trip.
Mfg Apsley: 166.9p a litre, 1.6 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 60p of fuel to get there and back. Worth the trip.
Asda Dacorum Express Petrol: 166.9p a litre, 1.7 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 64p of fuel to get there and back. Worth the trip.
Queensway Service Station: 167.9p a litre, 0.7 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 26p of fuel to get there and back. Worth the trip.
On a 55-litre tank at 40mpg. The distance is straight-line rather than by road, so a real trip is longer than the one costed here.