"Neil Williams" wrote

It is vastly cheaper to rent than buy on a monthly basis in many
places these days. Certainly, in Milton Keynes one would pay about
£500 per month to rent a one-bed flat but £700-800 per month to
purchase it using a repayment mortgage. The main reason for this is
that there is a glut of rental property on the market. Given the
limited amount of property, this will necessarily cause purchase
prices to rise.

If the owners of buy to rent property start to think that property sale
prices have stopped rising they will sell and invest the money elsewhere -
this will increase the stock of sale property and bring prices down, while
reducing the stock of rental property pushing rental costs up.

Peter