Cost of living in London (United Kingdom) is 45% more expensive than in Hamilton (New Zealand)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 5,353 prices entered by 1,143 different people.
For example, you would need at least NZ$10,275 (£5,378) in London to maintain the same standard of living that you can have with NZ$7,100 in Hamilton.