Compare petrol and diesel prices at 5 stations in the SG6 postcode area. Prices updated every 15 minutes.
As of 27 July 2026, petrol (E10) around SG6 averages 156.9p per litre across 5 local forecourts, with the cheapest at 153.9p. Prices refresh every 15 minutes from the UK Government Fuel Finder scheme.
The cheapest petrol near SG6 right now is 153.9p at Letchworth service station. The ranked list above shows every local station by price.
The spread between the cheapest (153.9p) and dearest (159.9p) forecourt in the SG6 area is 6.0p per litre — about £3.00 on a 50-litre tank.