How much do things cost in London and Belfast? Belfast London 3 course meal for 2£35.00£50.00 1 hour taxi waiting fee£15.00£24.74 Large bottle of water£1.02£1.00 Cheap meal£9.95£10.00 Petrol (1 litre)£1.38£1.39 Last updated on 21/07/2014 source