Have your say on retrofit
Thinking about retrofitting your home or recently completed upgrades? We're eager to hear from you! Share your journey—the challenges, innovative solutions, and lessons learned. Your story could shape the future of the Passivhaus Trust and AECB retrofit standards.
Retrofitting existing homes is one of the biggest hurdles in achieving net-zero. With almost 30 million homes across the UK, every property presents a unique challenge. Get it wrong, and issues like damp and rot could arise. Finding the right contractor with the skills and expertise is often a top concern for homeowners.
The Passivhaus Trust and AECB are leading the way by researching a stepped approach to retrofit - and we need your voice. Whether you're a homeowner or landlord who has completed a project or is in the planning stages, we want to learn from your experience. Contribute to this 5-minute survey to help identify solutions to common barriers & innovative solutions.
Win Big
Complete the survey, and you'll automatically be entered into our £250 prize draw! (Full details provided in the survey.)
All responses will be treated with the utmost confidentiality. Any published research will only include anonymous data.
Let’s work together to make retrofitting smarter and more accessible for everyone. Your input matters.
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The projects below are all examples of a phased Passivhaus retrofit. Take a look at our Retrofit page for further examples, and to get started on your Passivhus self-build journey, visit the Passivhaus goes Personal page. For more guidance, check out the How to Build a Passivhaus: Good Practice Guide.
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Further Information
Retrofit standards - Where does EnerPHit fit?
Passivhaus retrofit training & guidance: Passivhaus learning hub
Passivhaus Retrofit Masterclass
Passivhaus Retrofit Delivery - Coaction Training
14th April 2025
Get involved with the UK Passivhaus community
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