How much do things cost in Gaziantep and London? London Gaziantep Small bottle of water (0.33 litre)£1.00£0.18 Imported beer (0.33 litre)£4.00£1.68 Cheap meal£10.00£2.58 Large bottle of water£0.84£0.24 1 litre of milk£0.95£0.54 source