Malcolm Eames, PhD until recently held a professorial chair in Low Carbon Research with the Low Carbon Research Institute at the Welsh School of Architecture, Cardiff University, UK, and was the Principal Investigator for the EPSRC Retrofit 2050 project. Tim Dixon, PhD holds a professorial chair in Sustainable Futures in the Built Environment in the School of the Built Environment at the University of Reading and leads the Sustainability in the Built Environment (SustBE) network. Miriam Hunt is a PhD student at School of Social Sciences, Cardiff University, UK.Simon Lannon, PhD is a research fellow at the Welsh School of Architecture, Cardiff University, UK.