EnerPHit Logo Trustmark Logo International Passive House Association Logo Passivhaus Logo Passivhaus Trust Member Logo NZEB Logo

Find Out More Here:

Passivhaus Institut

Passivhaus Trust UK

International Passive House Assoc.

UK Government Trustmark

European Commission


11 Mount View


Alden Rose


Essex CM11 1HB

Certified Passive House Consultant

Member of the International Passive House Association

Member of the Passivhaus Trust


+44 1277 651000

IPHA Membership

ID No. 65104

Copyright 2024 Alden Rose Ltd

Passivhaus Benefits Future-Proof Buildings Buildings That Perform The History of Passivhaus Dr Wolfgang Feist The first Passivhaus - Darmstadt, Germany 1991 The Benefits of Passivhaus How is a Passivhaus Created? Passivhaus - The 5 Key Principles Space Heating Demand:   or Heat Load:   Airtightness:  Overheating Risk:  Ventilation with Heat Recovery:  Triple Glazing: 15kWh/m2 per year  10W/m2  <0.6 /h  <10%  >75% efficiency  <0.8W/m2K + 0.5g-value Certification Requirements: The Energy Balance FAQs