Getty
London's property market may be so overheated that gardens now sell for £50,000, but a landlord can make a tidy sum buying properties to rent them out.
Here are the 10 best cities to invest in a buy-to-let property, as calculated by Zoopla.,
They are listed with the average monthly rent on a four-bedroom house, the average house price and the gross yield.
The gross yield is calculated by taking the annual rental income as a percentage of the property cost. In short, the higher the percentage, the better the investment.