Coaction Training CIC | Passivhaus Training Provider UK

Practitioner-led Passivhaus training

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Learn from the UK's Passivhaus experts

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Proud to be official partners of the Passivhaus Trust.

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Training construction professionals to meet the climate emergency.

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Popular Passivhaus courses

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Certified Passivhaus Designer

Certified Passivhaus Tradesperson

Bitesize Low Energy Design

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In-person course: Building to Perform - Introduction

Join low-energy experts Coaction and SIGA on-site in High Wycombe for a dynamic, hands-on day exploring how construction professionals can deliver real building performance on site.

Published on 19/02/2026

Written by Tabitha Binding

New - Modular Certified Designer course!

Do you need a Passivhaus top up? We now offer our Certified Passivhaus Designer course as modules and there are PHI renewal points available too.

Published on 17/02/2026

Written by Tabitha Binding

Is Passivhaus Still Relevant?

With heat pumps and a decarbonising grid, is Passivhaus worth the extra effort?

Published on 08/01/2026

Written by Nick Grant

What our learners think

"The Bitesize course is very helpful to reassess basic design approach to any project, small or large."

Alan McKay
Architect
Alan McKay Architect

"For professionals who are are tired of greenwashing and genuinely passionate about actual low energy buildings."

Santa Cerbikova
Architect
Miller Bourne Architects

"I had no experience in Passive House before, but the teachers and material guide you, making it accessible for everyone."

Pedro Bravo Navarro
Passive House Consultant
Warm: Low Energy Building Practice

"I now feel more confident when it comes to building fabric detailing and integrating services in projects. Having facts and data to back-up conversations with clients is also really helpful."