Sustainable Design
Sustainable House Day 2025
On Sunday, 4 May 2025, Sustainable House Day returns, offering a unique opportunity to explore some of Australia’s most inspiring eco-friendly homes. We bring you an overview of the event, plus a sneak peek at a handful of the great homes participating.
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Ideas & Advice
On the drawing board: Two homes from one
In Canberra, Jenny Edwards and her team are becoming experts in conjuring comfortable dwellings for two or more groups of people from older homes that used to house just one.
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Design workshop
Design workshop revisited: Small space success
With some small but important changes to the internal layout based on our expert’s advice, this expanding young Canberra family is getting more out of their diminutive apartment.
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Ideas & Advice
Eco-concrete case studies
Adored for its thermal mass benefits and durability, concrete remains one of the most popular building materials in the world, but its shockingly high embodied carbon footprint cannot be ignored. Luckily, there are now a number of greener alternatives available. Jacinta Cleary examines how they have performed in three different homes.
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Design workshop
Design workshop: Making a small space work harder
Young professional couple Jess and David love their diminutive Canberra apartment and the productive courtyard garden they have established, and would like to make changes to maximise natural light, make the most of the available space, and accommodate a future family. Small space expert Kate Shepherd of Rob Henry Architects is on hand to help.
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Ideas & Advice
Experts explore: Sid Thoo and Dannielle Robertson on carefully targeted retrofits for comfort
Perth-based duo Dannielle Robertson and Sid Thoo describe how energy assessments can help identify the best places to spend your retrofit money.
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Ideas & Advice
Experts explore: Uta Green on using her new studio as a testing ground
Uta Green explains the design process for her practice’s new studio in Hobart, including using iterative energy ratings to optimise the small building’s performance.
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Design workshop
Design workshop: A higher-performing volume build
Kirsten and James are keen to make the project home they’re planning in Camberwell, Victoria, as energy-efficient and comfortable as possible, and have budgeted for some upgrades. Architect Penny Guild and ESD consultant Erika Bartak give the couple some advice on achievable tweaks to improve their home’s performance.
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Ideas & Advice
On the drawing board: Testing out 10 Stars
What does it look like to aim for the top of the Star rating scale, and can it be done without costing an arm and a leg? Builder Craig Riddle set out to design and build a very high-performing house using iterative energy rating assessments, careful construction and standard, readily available materials.
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Ideas & Advice
Volume-built wins: Steps to a more sustainable project home
Many people look to volume builders as an affordable option for their new home – but how do you achieve your sustainability goals with this mass-market product? ESD consultant and housing researcher Erika Bartak explains the easy wins, the pitfalls to avoid, and the important questions to ask.
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Ideas & Advice
Closing the performance gap: Passive House for schools
Australian schools are underperforming in terms of energy efficiency and indoor environment quality. We talk to some architects who believe that the rigorous Passive House standard could help turn that around.
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