Passivhaus Trust Newsletter - July 2025
Feeling the heat? Cool off with this month’s Passivhaus newsletter, packed with fresh guidance, exciting project updates, and the latest insights from the UK Certifiers Circle. Read our top picks below or check out the full newsletter here.
Add these papers to your Passivhaus toolkit
We have released not one, not two, but three new Passivhaus papers, FREE to download. The popular & recently revised Claiming Passivhaus helps you stay accurate & credible while avoiding greenwash. Certifying a Passivhaus: Tips & costs reveals what to expect when engaging a certifier. Finally, discover how to ventilate the spaces in between, such as staircases & lobbies in Ventilation of circulation areas in Passivhaus buildings.
How to keep cool as the climate heats up
How did your home or workspace fare in the recent headline heatwave? Passivhaus buildings are renowned for their outstanding comfort, but with hotter summer temperatures set to become the new normal in the UK and beyond, designers face a new challenge: can passive design alone keep us cool? Explore the evolving role of active cooling in UK Passivhaus at our Summer Comfort webinar on 10th September.
Meet the UK's newest Passivhaus giant
The Woodmills & St Columba's High Schools claim new titles as the UK's largest Passivhaus building and the world's largest Passivhaus educational building! Learn more and check out other supersized Passivhaus developments in the UK & globally, here.
Summer SALE! 10% off everything
Learn more, save more. Until 31st August, get 10% off all courses on the Passivhaus Learning Hub! Our Passivhaus Learning Hub brings together online interactive courses, on-demand webinars and guidance materials into one easy-to-access site. Including a range of training materials from introductory courses to advanced Masterclasses. What are you waiting for? Pick up those additional PHI credit points now!
Could your home do this too?

This summer’s UK Passivhaus Open Days showed just how cool Passivhaus can be, even in 30°C heat! Could your home keep its cool... or host a future Open Day?
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31st July 2025
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