SE3D are architects, Passivhaus designers, trainers and a Passivhaus Certifier accredited with the Passivhaus Institute.  We specialise in human centred, healthy, high performance design. As certified Building Biology Consultants IBN and Passivhaus Designers CEPH we work collaboratively with design teams across the UK. 

Over the last 17 years we have been exclusively involved with Passivhaus projects, helping to successfully deliver multi residential, offices, schools, higher education, buildings for worship, fire stations, care and swimming pool and leisure building projects.