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 Designer

Certified Passivhaus Tradesperson

Bitesize Low Energy Design

Latest Blog Posts...

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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 course has allowed me to take a big step closer towards my dream job and opened up more opportunities for me."

Siena Cornish
Architecture Student
University of Bath

"The course has given me a deeper understanding of the calculation of Thermal Bridges, which I think leads to the better practice of designing out thermal bridges in designs."

Joe Wood
Chartered Architectural Technologist
GCP Chartered Architects

"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

"I now feel more confident when it comes to building fabric detailing and integrating services in projects. Having facts and data to back-up conversations with clients is also really helpful."