The Australian regions outperforming the capitals for energy efficient housing
An unlikely Australian region is leading the energy efficiency charge for residential construction, while one major capital lags behind
2 min
New Australian homes are far more energy efficient than those built previously, a new report from CoreLogic has shown. The report, Amped Up: How energy efficient are Australian
Homes?’ has taken data from CoreLogic and checked it against metrics generated by the CSIRO’s RapidRate™ product to reveal that houses built after 2010 achieved a media star rating of 5.9 out of a possible 10. This compares with a median rating of 2.8 stars for homes built prior to 2010.
The most energy efficient region overall was the ACT, with a median star rating of 6.1. Within the ACT, the region of Molonglo had the highest rating. Positioned halfway between Yarralumla and Stromlo Observatory, Molonglo is the newest district in the ACT and is still under development. It is the only region nationally with a star rating of 6 or above for all dwellings.
The ACT dominated the top 30 list of most energy efficient suburbs. In contrast, Sydney and Hobart were notably absent from the top 30 list, although the report noted that there was a high level of variation across both cities. Sydney and Hobart are also the oldest cities in the country, with some housing stock dating back to the early 19th century. The report noted that demand for heating was also strongest in Hobart, which also had the lowest dwelling completion to population ratio. Heritage restrictions were also identified as a factor.
At a micro level, the Sydney suburbs of Blacktown-North and Bringelly-Green Valley recorded the highest ratings for NSW, with a median of 5.2 stars. In Victoria, the Surf Coast-Bellarine peninsula performed well, with the suburbs of Armstrong Creek, Curlewis and Mount Duneed all showing a median rating of 6 stars or higher.
Given Australian housing accounts for 24 percent of electricity use and 10 percent of carbon emissions, CoreLogic’s Head of Banking & Finance Solutions Tom Coad said it was vital that standards set in the National Construction Code were adhered to.
“The significant difference in energy efficiency between relatively modern homes and older homes can largely be attributed to changes in the National Construction Code
which has progressively placed more emphasis on energy efficiency requirements for newly built homes,” Mr Coad said.
“The Coalition’s recent push to pause the National Construction Code for 10 years flies in the face of Australia’s commitments to reduce carbon emissions.”
“Policymakers should be incentivising the construction of energy efficient buildings, not slamming the breaks.”
The report was compiled using the Nationwide House Energy Rating Scheme (NatHERS) star rating system. Research director at CoreLogic, Tim Lawless, said it was important to continue to monitor the energy efficiency of housing construction.
“What gets measured gets done,” he said. “As standards for energy efficient design and construction rise, it’s also becoming more important to measure energy resilience in
our housing stock.
“Minimum energy efficiency standards for new builds will continue to be important in supporting Australia’s greenhouse gas reduction targets, but there is likely to be
increasing focus and incentives on established housing where most of Australia’s housing stock was built prior to recent minimum standards.”
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Australia’s housing affordability crisis is being fuelled by chronic undersupply, planning delays and rising development costs, as politicians continue to focus on the wrong solutions.
3 min
Australia’s housing crisis will not be solved by first-home buyer incentives or tax changes alone, with leading property figures warning governments must tackle supply constraints if affordability is to improve.
Speaking at the Kanebridge Quarterly Property Leadership Summit in Sydney last week, expert project marketing specialist Sam Elbanna, property investor and fund manager Paul Miron and property consultant Karla McNeice said that a lack of housing supply remained the central issue facing the market.
Elbanna, Director of CPM Realty with more than 30 years’ experience in project sales, argued that successive governments had focused too heavily on stimulating demand rather than addressing the barriers preventing new housing from being delivered.
“The misconception is that politicians think the way to solve the housing crisis is to drive demand,” he said.
“The reality is that’s not the way. This is a supply-side problem, and it needs to be solved on the supply side.”
Drawing on his experience in project sales, Elbanna said policies designed to help first-home buyers often had unintended consequences, pointing to previous grants that ultimately flowed through to higher property prices.
Instead, he said developers were facing increasing red tape, approval delays and rising costs, which were discouraging new housing supply.
“In the absence of stock, demand exceeds supply,” he said.
Miron, a Co-Founder and Fund Manager of Msquared Capital, said the housing debate had become overly focused on tax policy while overlooking broader structural issues.
He argued that affordability challenges stemmed from a combination of factors, including planning constraints, supply shortages, migration levels and interest rates.
“No-one can be 100 per cent certain on the real reason for property prices is going up,” he said.
“The reason why property prices are higher is a combination of interest rates, lack of supply, migration, vacancy rates and maybe taxes play a role.”
Miron was critical of recent federal housing policy changes, warning they could reduce the number of new homes being built and further constrain supply that was even highlighted in the budget.
He also highlighted the importance of the property sector to the broader economy, noting that residential real estate and related industries employed more than one million Australians.
McNeice, who advises developers on sales strategy and market intelligence, said understanding buyers had become increasingly important as affordability pressures intensified.
While affordability remained a major consideration, she said today’s buyers were focused on value rather than simply price.
“People are looking for value for money,” she said.
She said buyers were increasingly evaluating factors such as transport connections, walkability, nearby amenities and flexible living spaces that could accommodate changing family needs.
“What infrastructure is going on? Can I walk to the shops? Can I meet people at the local cafe?” she said.
The panel also discussed the mounting pressures facing developers, with Elbanna arguing that many projects become financially unviable from the moment a site is purchased.
“The viability of a development happens at the moment the site is bought,” he said.
He said rising construction costs, higher interest rates and overly optimistic feasibility assumptions had left some developers exposed as market conditions changed.
While acknowledging the growing number of smaller and first-time developers entering the market, Elbanna said property development required expertise across finance, construction, marketing and legal disciplines.
“It is actually a business that requires a level of expertise,” he said.
Looking ahead, the panel agreed opportunities remained in the market despite current challenges.
Miron said property should continue to be viewed as a long-term investment and cautioned against trying to time short-term market movements.
McNeice said success would increasingly depend on identifying projects that genuinely met changing buyer expectations.
Elbanna said affordable housing remained achievable, but developers needed to deliver more than just homes.
“We can provide affordable housing in this country,” he said.
“But we’ve got to wrap that affordable housing with the things that people want.”
As Australia’s housing affordability debate intensifies, the panellists agreed on one point: without a meaningful increase in housing supply, demand-side measures alone are unlikely to solve the nation’s property challenges.
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