Unleaded: 171.9p a litre, 0.2p over the national average, filed Thursday 29 October
Diesel: 201.9p a litre, 3.2p over the national average, filed Friday 23 October
Unleaded within 5 miles
Sainsburys Lower Richmond Road: 169.9p a litre, 1.0 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 38p of fuel to get there and back. Worth the trip.
Asda Roehampton Express Petrol: 169.9p a litre, 1.8 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 69p of fuel to get there and back. Worth the trip.
Mfg Mortlake: 169.9p a litre, 2.6 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.00 of fuel to get there and back. Worth the trip.
Sainsburys Richmond: 169.9p a litre, 3.4 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.31 of fuel to get there and back. Not worth the trip.
Mfg Streatham: 169.9p a litre, 3.7 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.42 of fuel to get there and back. Not worth the trip.
Mfg Kingston: 169.9p a litre, 4.1 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.58 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.