Celebrating PHPP success!
This month, we celebrated our co-director Sarah Lewis, whose work continues to make high-performance building design more accessible to everyone. Sarah has just fully revised PHPP Illustrated: A Designer's Companion to the Passive House Planning Package, now updated for PHPP10 and available to add to your Passivhaus library!
Passivhaus is one of the leading low-energy building standards, and the Passive House Planning Package (PHPP) is the essential design tool behind it. This book cuts through the complexity with a clear, visual and pragmatic guide to understanding and using PHPP as part of the design process.
Why it’s such a standout resource:
- A short, time-efficient guide for busy practitioners
- Highly visual and easy to use
- Updated for PHPP10
- Ideal for architects, designers and students
- No prior Passivhaus experience required
In a month that highlights the importance of women in science, engineering and the built environment, Sarah's achievement is a great reminder of how knowledge-sharing and clarity can drive better, lower-energy buildings for all.
Get your copy now at the RIAS Bookshop. Are you a PHT Member? Get 20% off PHPP Illustrated - log into your member account and check out the member offers page!
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Looking for more bedtime reading? We have a huge online library of Passivhaus publications, on demand content and learning resources at our Passivhaus Learning Hub.
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Further Information
Passive House Planning Package (PHPP)
Guy Martin's House without Bills
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18th February 2026
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