A few favourites from Sustainable House Day
+ how to build healthier homes…

As another El Niño cycle begins to loom on the horizon, Sustainable House Day 2026 arrived as a timely reminder that smarter, better and often more beautiful ways of building and living are already within reach.

A few weeks ago, generous homeowners across the Byron Shire opened their doors to the public, offering a rare and valuable insight into what it actually takes to create homes that are more sustainable, more comfortable, and better prepared for a changing climate.

These were not abstract ideas or theoretical designs — they were lived experiences. Open conversations about what it means to build or retrofit homes that lighten their footprint on the planet, reduce reliance on external energy, and respond more intelligently to local climate conditions.

The Earthern House in Byron Bay, designed by Thais Pupio, is a stunning example of how to use local, natural, and recycled materials to create a house that fosters harmony between the environment and its inhabitants.

*Images: Sustainable House Day, 2026 ©peopleofbyron*

Homeowners shared their journeys with honesty and creativity: what worked well, what they would do differently in hindsight, and which design choices or upgrades made the greatest difference to everyday comfort and energy bills. From insulation choices and passive design principles through to solar integration and water efficiency, the lessons were practical, grounded, and immediately relevant.

Like this recently completed home in Mullumbimby by Billington Projects. The layout follows passive design principles suited to Northern NSW subtropical climate where polished concrete floors provide thermal mass, regulating indoor temperature and supporting a low-dust environment. Jesse’s focus is to create a healthier building model, blending beautiful aesthetics with what he calls ‘common sense building’—smart, passive design principles that work with nature.

*The Hempcreate wall absorbs excess humidity and releases it helping to stabilise indoor moisture.*
*Images: Sustainable House Day, 2026 ©peopleofbyron*

When you live in the Northern Rivers, climate events are a real and tangible part of life. Building sustainably for your local environment is not only necessary, but also makes long-term sense as energy costs fluctuate and material supply chains become increasingly unpredictable.

Sustainable House Day, presented by Renew, helps bridge the gap by connecting people who want to explore better design principles — directly with those who have already taken the leap — turning lived experience into shared knowledge and practical guidance.

Building on this momentum, Renew is hosting a series of follow-up workshops designed to deepen understanding and support real-world action. Topics include:

Affordable retrofits
All-electric homes
Passivhaus design
EVs and home energy systems
Wildlife-friendly gardens
Biophilic design
Future-ready strata living

Each session includes a live Q&A, giving participants the chance to ask specific questions about their own homes, renovations, or sustainability goals.

Established in 1980, Renew Australia Inc. is a national, not-for-profit organisation that inspires, enables, and advocates for people to live sustainably in their homes and communities.

Visit Renew for more sustainability inspo....