Well almost nothing, you simply have to own an average 3 bed semi, because if you do according to the Halifax data the average price of a 3 bed semi has increased by over £2000 in the last month. Netting their lucky owners around £67 per day before they even get out of bed! It is figures like this that get the wannabe landlords and buy to let experts excited. As always increases in house prices are always drive by consumer sentiment forget the wage to average house price ratio. As the last boom and bust in the property cycle has proved.