We look at the offices, shops and other commercial sites that developers are eyeing up to turn into homes, to meet the demand for new housing.  What are the new trends that are emerging and what are the obstacles from central and local government?  From Queensway to Canada Water and from Wood Green to Battersea Power Station, there are projects of all shapes and sizes, so what are the opportunities for homebuyers and investors?  Property commentator Anne Ashworth talks to Winkworth head of Developments and Commercial Investments Adam Stackhouse, and Charles Jordan who heads Winkworth’s new homes team.