Evening Standard Interactive map shows London's cheapest and most expensive petrol prices as unleaded soars by 10p
One garage in Chelsea is selling unleaded for 253.9p per litre, while motorists in Ruislip can fill up for just 121p per litre
One garage in Chelsea is selling unleaded for 253.9p per litre, while motorists in Ruislip can fill up for just 121p per litre