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 Tradesperson

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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

"Building physics occur in our projects whether you understand them or not. This course gives you Jedi levels of understanding."

Seb Laan Lomas
Associate & Passivhaus Designer
Architype Architects

"Prepare to never want to design or build anything other than Passivhaus again!"

Tim Mitchell
Architect & Passivhaus Consultant
Warm: Low Energy Building Practice

"I fully expect this course will benefit my practice hugely going forward and now feel ready to get back into this sector with a fresh set of knowledge and skills."

Stuart Clark
Director - Architect - Passivhaus Designer
Fifteen 10 Architects Ltd

"The knowledge gained from this course is now integrated into the design and detailing of all practice projects. We have expanded the practice’s reach, attracting a broader range of clients and project types."