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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Image Credit: The Walled Garden / Nigel Dutt

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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Image Credit: Hackbridge School / Jack Hobhouse

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

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

Alan McKay
Architect
Alan McKay Architect

"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."