We work as energy consultants on a huge range of Passivhaus and low energy developments both large and small scale; our collective experience is unrivalled in the UK.


Passivhaus certification sets Passivhaus apart from other building standards. We have a wide range of experience certifying one off homes to large commercial buildings.


Passivhaus training run as part of the AECB CarbonLite training programme. This includes open training courses and bespoke training for designers and builders.


We offer a range of building performance testing and monitoring from coheating, air leakage testing, energy consumption and comfort analysis.