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

Latest Blog Posts...

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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

Bursary opportunity to grow your Passivhaus and Low Energy expertise for Community Heritage work

The National Archives has launched a new bursary to support “people seeking to grow their expertise in community heritage work”. The Bursary is limited - read the assessment criteria before applying.

Published on 27/11/2025

Written by

Windows – Nothing to See Here! Part 1

Optimising window specifications, openings, and installation can slash risk, energy consumption, materials and carbon. Here's how.

Published on 18/11/2025

Written by Sally Godber

What our learners think

"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

"The course really opened my eyes about the real challenges of retrofit works compared to desktop design solutions, such as space available for insulation and sequencing of works."

Antonietta Canta
Associate
Arup

"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

"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."