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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
"This intense three-week course strengthened my understanding of energy-efficient building design. I’m looking forward to applying the principles I learned in future projects and gaining more practical experience."
Arushi GosainModern Building DesignUniversity of Bath
"The course has given me the confidence to ask the right questions if I feel the design isn't the most efficient and cost-effective way for the client."
Steve HallManagerW T Hall Builders
"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 WilkinsArchitect & Sustainability ConsultantKendall Kingscott
"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