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Practitioner-led Passivhaus training

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Learn from the UK's Passivhaus experts

Meet our trainers

The Walled Garden / Nigel Dutt

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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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Hackbridge School / Jack Hobhouse

What our learners say


"The webinar was very useful and provided us a way to apply our newfound knowledge in real-life situations. Very valuable and an exercise I can continue to use on future projects."

bitesize Graduate


"I found the quality of the teaching to be incredibly high with a real depth of knowledge shown by all and really obvious personal interest"

designer Graduate


"The trainers were amazing and knowledgeable."

tradesperson Graduate


"I would to say that the course was excellent, and very well presented by the team of tutors."

tradesperson Graduate


"It was by far the best course that I have been on in the 25+ years since I started studying architecture. It was much more than I could have hoped for and I now feel much better equipped to carry on as a sole trading architect."

designer Graduate


"Online training was great. Very informative and there was plenty of opportunities to ask questions."

bitesize Graduate


"The course was rigorous and I felt very supported throughout."

designer Graduate


"Fantastic trainers and extremely well run."

designer Graduate


"The course also deepened my understanding of the impact of thermal bridging more generally."

therm Graduate


"I felt the sessions were good for fostering discussion in a way that brought the group together."

bitesize Graduate


"Good course, enjoyable and informative, great trainers."

bitesize Graduate


"Thank you for your time, effort and care. I am hoping it will change the direction of my practice"

designer Graduate


"The fact that each of the trainers has hands on experience in the field delivering certified passive houses is really what sets this course apart"

designer Graduate


"I really enjoyed the course and learnt a lot from it. What's more many of my clients are very intrigued by the whole concept and are looking to embrace it following my discussions with them."

designer Graduate


"Thanks again to the trainers for a fascinating course so far, I am already feeling a lot of things falling into place."

designer Graduate


"The content was very well explained and demystified what would otherwise be a difficult piece of software to master."

therm Graduate


"Nice to be taught by really enthusiastic and committed practitioners. Thank you."

designer Graduate


"The course has definitely taken me outside of my comfort zone, which is good because it means I am learning!"

tradesperson Graduate


"Was a great session, very nice presenting team and good knowledge/responses to very technical queries."

tradesperson Graduate


"It was great to have trainers with a wealth of practical passive house experience."

designer Graduate


"Very informative and well-presented."

bitesize Graduate


"Eye-opening, well-organised and, quite honestly, inspirational. Honestly, others don't compare."

designer Graduate


"I now feel confident in my ability to assess individual thermal bridges if this is ever needed on a future project."

therm Graduate


"Real life anecdotes were useful."

tradesperson Graduate


"The best quality and most relevant training I have ever received, delivered by specialists with a huge amount of real-world experience."

designer Graduate


"I'm keen to learn more about the finer details of achieving certification after attending the training."

bitesize Graduate


"The course was fantastic in bringing together so many different experts from different disciplines - demonstrating the collaboration that is required to design and build a Passivhaus."

designer Graduate


"The use of group activities is very helpful to ensure our understanding of what has been talked about."

bitesize Graduate

With over 12 years experience in delivering quality Passivhaus training (previously under the CarbonLite banner), we relaunched in 2022 as Coaction Training CIC, an independent and not for profit organisation driving upskilling for low energy building in the construction industry.

The scale of the challenges presented by the climate emergency and social crises facing our society is overwhelming. We care deeply about finding ways to be part of the solution and we work tirelessly to deliver Passivhaus training that empowers designers, contractors, educators and wider stakeholders to drive positive change through the buildings they create.

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What is Passivhaus?

Our clients

We are working with a broad range of professionals across the built environment sector, although we know our work has only just begun. Our team are here to advise and support your organisation to deliver the Passivhaus standard at scale.

GET IN TOUCH

Kier
Willmott Dixon
ECD Architects
Kingerlee
East Ayreshire Council
Edinburgh Council
Southampton City Council
Royal Borough of Kesington and Chelsea
StrideTreglown
Cundal

How are we doing?

Students trained this year:

Total number of students trained:

PHI Certification pass rate:

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