“We think prices will fall by another 20pc over the next three years. There is still an overhang of 1.7m unsold homes in an annual market of around 230,000. The developers have 467,000 units on their books, and half of these are indirectly controlled by the banks. It is extend and pretend. There are another 150,000 in foreclosure proceedings that are backed up because the courts are saturated,” he said.