Sally is a chartered mechanical engineer, Passivhaus Certifier, member of the UK Technical Panel for the Passivhaus Institut, and oversees Coaction Training. After starting a career in building services, she went on to set up WARM with her dad Peter, with the intention of channelling his invaluable knowledge of low energy construction direct into the industry. She has extensive experience in the design and construction of larger low energy residential and commercial buildings, as well as building services.

Sally lives in her self-built certified Passivhaus home and she is in the process of a Stepwise EnerPHit of a café and holiday home; this practical experience has given her first hand insight into the reality of construction projects.