Unleaded: 169.9p a litre, 1.8p under the national average, filed Friday 30 October
Diesel: 195.9p a litre, 2.8p under the national average, filed Monday 19 October
Super unleaded: 194.9p a litre, filed Friday 30 October
Unleaded within 5 miles
Sainsburys Apsley Mill: 162.9p a litre, 2.9 miles away. 7.0p a litre cheaper: saves £3.85 a tank, and costs about £1.07 of fuel to get there and back. Worth the trip.
Asda Hall Park Express Petrol: 164.9p a litre, 1.4 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about 52p of fuel to get there and back. Worth the trip.
Asda Dacorum Express Petrol: 166.9p a litre, 2.0 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about 75p of fuel to get there and back. Worth the trip.
Mfg Apsley: 166.9p a litre, 2.8 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.06 of fuel to get there and back. Worth the trip.
Hemel Hempstead Extra - Petrol Filling Station: 166.9p a litre, 3.2 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.21 of fuel to get there and back. Worth the trip.
Queensway Service Station: 167.9p a litre, 2.9 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.10 of fuel to get there and back. Not 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.