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

"The course has given me the confidence to ask the right questions if I feel the design isn't the most efficient and cost-effective way for the client."

Steve Hall
Manager
W T Hall Builders

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

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

"Dive in with a curious mindset! It's going to be a challenging but rewarding few weeks! Guarantee you'll love the course, and the trainers will be there to keep things fun and engaging."

Sneha Sanu Das
Low Energy Building Designer | Passivhaus Designer
Collective Architecture

"Everything about the course has been great. The content, the teaching methods, the experienced and diligent tutors, the supporting staff, resources made available, external links for further reading... (to mention but a few)."