Affiliation: | 1. Department of Construction and Property , University of the West of England , Frenchay Campus, Coldharbour Lane, Bristol , BS16 1Q , UK christos.vidalakis@brookes.ac.uk;3. School of the Built and Natural Environment , Glasgow Caledonian University , Glasgow , G4 0BA , UK E-mail: J.Sommerville@gcu.ac.uk |