Peter Rickaby qualified as an architect at Cambridge University and holds a doctorate in energy studies from the Open University. He worked in leading architectural practices in New Zealand and London before a thirty-five-year career as an energy and sustainability consultant in buildings and housing. He has published numerous technical guides to energy efficiency and was Managing Editor of the Institute of Sustainability's acclaimed suite of Low Carbon Domestic Retrofit Guides. Peter has been a Board Director of the Centre of Refurbishment Excellence (CoRE) and a member of the Board of Trustees of the National Energy Foundation. He contributed extensively to the Each Home Counts review, for which he was also a member of the Implementation Board, and he chairs the BSI Retrofit Standards Task Group. Peter was the Technical Author of the BSI's two UK retrofit standards: PAS 2035 Retrofitting dwellings for improved energy efficiency: Specification and guidance; and PAS 2038 Retrofitting non-domestic buildings for improved energy efficiency: Specification. Now semi-retired, Peter helps to run the UK Centre for Moisture in Buildings (UKCMB) and coordinates the Building Envelope Research Network (BERN@ UCL), both at University College London. Peter is also Technical Director of The Retrofit Academy.