Compiled especially for small and medium contractors and for all those involved in building traditional extensions or converting lofts, Spon's House Improvement Price Book provides detailed and reliable cost data. Fully-priced out standard items cover 44 house extensions of different types and sizes, plus three loft conversions. In addition there are chapters on the pricing of common alterations, repair of damage due to floods, fire and gales, and on plant and tool hire.

Bryan Spain is a consultant quantity surveyor who specialises in building and civil engineering costs. He has worked in local government, private practice and contracting organisations. He has also written over 50 books, mainly on construction costs.