Asking prices for homes on the market in England and Wales have moved up 0.5% over the last month, as the shortage of property for sale becomes more marked.
The overall supply of homes is 19% lower than a year ago, while in Wales it is 25% lower.
In Greater London, the supply of homes for sale has fallen by 58% since April 2008.
Asking prices are now 1.5% higher than a year ago.
According to the property search engine Home, house prices are up in all regions apart from the North-East, where there has been no change.