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

"This intense three-week course strengthened my understanding of energy-efficient building design. I’m looking forward to applying the principles I learned in future projects and gaining more practical experience."

Arushi Gosain
Modern Building Design
University of Bath

"You can complete the THERM course as quickly or slowly as you like to fit in with your own schedule, and there is one years course access!"

Bethan Griffiths
Senior Architectural Assistant
Spring Design

"A good level and spread of information, and the feedback from the lecturers has given me confidence to support others in Passivhaus work."

David Price
MRes in Public Perceptions
Cranfield University

"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."