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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
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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
With heat pumps and a decarbonising grid, is Passivhaus worth the extra effort?
Published on 08/01/2026
Written by Nick Grant
"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 DasLow Energy Building Designer | Passivhaus DesignerCollective Architecture
"The course has strengthened my technical knowledge and confidence when working on high-performance building projects. Having this qualification also adds credibility when liaising with clients."
Lydia Brereton-WardSales & Project CoordinatorokoHaus UK Limited
"Everything about the course has been great. The content, the teaching methods, the experienced and diligent tutors, the supporting staff, resources made available, external links for further reading... (to mention but a few)."
Mohammed Sheriff UmarStudentUniversity of Liverpool
"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 GriffithsSenior Architectural AssistantSpring Design
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Design & Development — Intercity