How much do things cost in Newcastle and Cardiff? Cardiff is 1% more expensive than Newcastle Cardiff Newcastle Bottle of beer (imported beer)£2.48£1.91 1 hour taxi waiting fee£12.00£24.00 Bottle of local beer (0.5 litre)£1.71£1.67 Petrol (1 litre)£1.37£1.39 Last updated on 21/03/2014 source