How much do things cost in Gdansk and London? London Gdansk Cheap meal£10.00£2.83 Bottle of beer (imported beer)£1.66£0.62 Local draught beer (0.5 litre)£3.80£1.24 Small bottle of water (0.33 litre)£0.97£0.62 Loaf of white bread£1.00£0.40 source