Many people are looking at ways to extend their homes rather than move house, but `getting the builders in' can be a recipe for disaster unless you really know what you are doing. Whether you plan to employ a building contractor or tackle some of the works yourself, this best-selling manual will show you how to stay firmly in control, resulting in a high-quality extension, completed on time and within budget. This new edition will include all the up-do-date information on complying with the latest Building Regs and Planning requirements, CAD design, energy-efficiency, under floor heating, bi-folds, liquid screeds, woodburning stoves and renewable energy.