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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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

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

Alan McKay
Architect
Alan McKay Architect

"The course has strengthened my technical knowledge and confidence when working on high-performance building projects. Having this qualification also adds credibility when liaising with clients."

Lydia Brereton-Ward
Sales & Project Coordinator
okoHaus UK Limited

"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

"A great refresher on building physics. I enjoyed applying this to the in depth case study and detailing discussions on risks, benefits, buildability and sequencing whilst hearing about others' experiences and creative solutions."