A special report focusing on the building industry `s efforts to improve the quality of new houses. Reports on what various companies are doing to improve the quality of their building and the introduction of BS 5750 Quality systems, in response to the industry`s wish to incorporate quality assurance. Argues the case for educated specifying, highlighting some key structural product groups and examines recent developments in underground drainage systems, looking particularly at the competition between clay and UPVC . Describes the Laing Homes Buyers`s Charter, a specific statement of what customers can expect when they buy from Laing Homes and reports on the move away from tarmac to clay and concrete paving . Discusses how basements can be constructed to provide extra living accommodation, looking particularly at waterproofing and costs. Finally the NHBC lists some of the most common building defects and explains how they could have been avoided.