Julie Godefroy is a sustainability consultant and CIBSE’s Technical Manager, and the lead author of CIBSE’s upcoming revised TM40 – Health and Wellbeing. She is a chartered engineer and has a PhD in low-carbon buildings. She has been involved in a variety of projects from early masterplanning stages through to post-occupancy evaluation, as well as policy work. She has worked in most sectors, with a particular interest in housing and heritage buildings. She is on the advisory group for UCL’s MSc Health, Wellbeing and Sustainable Buildings, on the steering group for Ecobuild 2018, a member of the Edge, and sustainability adviser for the National Trust’s Historic Environment Group.