
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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Sustainability in the mix: The latest in eco-concrete
Concrete is a beloved building material for its thermal mass benefits, versatility, strength and durability, yet comes at the cost of shockingly high embodied carbon. Happily, more environmentally friendly mixes are coming online. Experienced sustainable designer Dick Clarke looks at the problem and some of the latest solutions.
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Can we afford it? The rising cost of building in Australia
What does it cost to build a house in Australia these days? What factors are at play, and what’s the most affordable way? Late last year Sanctuary’s editor Anna Cumming moderated a panel discussion with three expert practitioners to dig into this subject.
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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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On the drawing board: Pathways to carbon zero
The team at Melbourne-based design and build operation Positive Footprints has developed Carbon Zero Homes, a series of energy-efficient houses designed to generate enough electricity to offset the carbon footprint of their creation as well as their operation. Jeremy Spencer and Chi Lu tell the story.
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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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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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Space upgrade
Architect Emma Scragg designed a modest two-storey rear addition to a Brisbane home that has a large impact on how the homeowners live, and minimal impact on the existing house.
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Beating bushfire: Retrofitting for safer homes in fire-prone areas
Architect and bushfire design expert Nigel Bell outlines what owners of existing houses can do to improve their homes’ chances of surviving a fire.
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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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Avoiding the winter cold: Housing retrofits as a health intervention
As well as reducing your energy bills and your carbon footprint, upgrading your home’s building envelope can have a positive effect on your health and wellbeing. Health researcher Dr Toby Cumming explains.
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