How much do things cost in Barcelona and London? London Barcelona Bottle of wine£7.00£3.72 Coke/Pepsi (0.33 litre)£1.16£1.26 3 course meal for 2£50.00£29.77 Large bottle of water£0.87£0.38 Imported beer (0.33 litre)£3.80£2.23 source