The 2012 Green Deal: reliable information on how it will affect you (the Government claims that nearly every home in the UK could benefit from energy-efficiency improvements). Identifying the age and type of your house. Different insulation options for your home. Walls: cavity walls, timber frame, period houses, internal lining and external cladding. Floors: solid floors, beam and block floors, suspended timber floors and maintaining ventilation. Roofs: insulating lofts or rafters, and upgrading flat roofs. Windows: options including replacement, secondary glazing and overhaul. How to install and maintain energy-efficient pipes and tanks. Further advice on planning and building control. Of equal use for homeowners and Green Deal contractors, and features plenty of step-by-step instructions.