Stephen Todd is currently a Senior Lecturer in Building Pathology and Sustainability at the University of Salford. He is a fellow of the Royal Institution of Chartered Surveyors, a Chartered Environmentalist and a member of the British Institute of Non-Destructive Testing. Stephen has a background in practice before entering academia. He has worked on innovative EC funded low energy housing research. He has also undertaken Stock Condition surveys for Local authorities and is an Energy Trainer, Code for Sustainable Homes Assessor and BRE Associate. He was also part of the team that developed the Warrington Energy House, which was a collaborative project between the University of Salford, Warrington Housing Association and Warrington Borough Council. He also had a major input to the DETR Rebuilding Grant Project and was a member of the Welsh Pilot Scheme for Home Information Packs and Energy performance Certification. For the past 30 years he has undertaken consultancy work in the building defects and energy conservation areas and in this respect he has also appeared as an expert witness. He has sat on a BRAC technical group to advise on future Building Regulations with respect to Conservation of Fuel and Power, the Greater Manchester’s Low Carbon Economic Area Group for Product and Process Innovation and for twenty years was the Internet Editor for The Journal of Structural Survey.