She is also a certified Passivhaus Designer and holds an MSc in Architecture: Advanced Environmental & Energy Studies. Janet has a history of working in sensitive settings (conservation areas, listed buildings, historic parks) and therefore is familiar with the use of traditional and natural materials. Along with Adam Dadeby, she is director of Passivhaus Homes Ltd., which has recently completed one of the very few fully Certified Passivhaus retrofits in the UK. Janet's Books