Coaction Training CIC | Passivhaus Training Provider UK

Practitioner-led Passivhaus training

View Courses

Learn from the UK's Passivhaus experts

Meet our trainers

Image Credit: The Walled Garden / Nigel Dutt

Proud to be official partners of the Passivhaus Trust.

View Courses

Training construction professionals to meet the climate emergency.

View Courses

Image Credit: Hackbridge School / Jack Hobhouse

Popular Passivhaus courses

View all Courses

Certified Passivhaus Tradesperson

Latest Blog Posts...

View Blog & Resources

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 breadth of learning was fantastic and have an overview of services design, construction practices and economics that I never expected. I would recommend it to anyone interested in sustainable architecture."

Matthew Wilkins
Architect & Sustainability Consultant
Kendall Kingscott

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

Alan McKay
Architect
Alan McKay Architect

"The knowledge gained from this course is now integrated into the design and detailing of all practice projects. We have expanded the practice’s reach, attracting a broader range of clients and project types."