Piers established PHT member Delta Q to support clients and the construction supply chain in developing excellent Passivhaus buildings. Piers leads the Delta Q team on a range of mainly design and build Passivhaus schemes including low- and mid- -rise social housing, community housing, schools and EnerPHit including a SEND school. Piers loves learning and collaborating with others on Passivhaus projects. He is also a trainer with Co-action, practitioner led Passivhaus training.