Passivhaus Affiliate


Over twenty years of experience demonstrates that the high levels of comfort and energy savings associated with the Passivhaus Standard is achieved through independent quality testing. All certified Passivhaus buildings undergo a rigorous compliance process. To learn more about Passivhaus certification click here.

A number of UK organisations have been approved to assess and issue the Passivhaus Certificate,  the EnerPHit certificate (for retrofit projects) and PHI Low Energy Building Certificate.


Details of PHT members & partners who can provide UK certification can be found below: