The project is being led by University College London (UCL), in partnership with the Centre for Research into Energy Demand Solutions (CREDS), University of Essex (UK Data Archive), Cardiff University, University of Edinburgh, Leeds Beckett University, Loughborough University, University of Oxford, University of Southampton and the Energy Saving Trust, and funded by the Engineering and Physical Sciences Research Council. Ipsos MORI is supporting UCL with the study and is responsible for the mailings and processing the postal returns. This study has been approved by UCL research ethics.