The climbing cost of climate change for the Australian property market

Climate change is already affecting home values due to the impact of more severe weather events and rising home insurance premiums, and the cost of building is likely to rise as regulatory changes designed to enhance climate resilience alter building codes and zoning laws, according to a new report.

The National Housing Supply and Affordability Council describes climate change as an emerging trend that is raising the cost and complexity of supplying more housing. In its newly released State of the Housing System report, the council discusses how climate change is reducing the value of some homes when major weather events cause flooding or other natural disasters.

“The price differential between flood-affected and non-flood affected homes has been estimated to be up to 35 percent a year after a flooding event,” the report says. “Furthermore, the RBA estimates around 7.5 percent of properties are in areas that could experience price falls of at least 5 percent due to climate change by 2050.”

More than one million households are struggling to afford home insurance, and rates of non-insurance are increasing due to the cost. For example, the Australian Competition and Consumer Commission estimated that 40 percent of homes in Northern Western Australia were uninsured in 2020.

“Climate change is causing home insurance premiums to rise across Australia, adding to already elevated housing costs. Homeowners in areas considered at–risk of natural disasters are expected to see insurance premiums rise further or have difficulty obtaining insurance due to heightened risks.”

More frequent and severe weather events such as cyclones and bushfires, as well as coastal erosion and flooding from rising sea levels, present risks to housing safety. More than 3,000 homes were lost in the 2019-20 bushfire season, causing $2.3 billion in insurance losses. The report says the predicted direct cost of natural disasters to the economy and housing will be $35.2 billion per year by 2050.

Climate change and net-zero targets could raise the cost of building new homes, the report says. “Regulatory changes to enhance climate resilience will alter building codes and zoning regulations.

Developers facing higher compliance costs may have difficulties meeting updated standards, potentially delaying or reducing housing availability.”

However, the report says the increased cost of building a home with climate-resistant materials and eco-friendly features is more than offset by lower energy costs over a property’s lifetime. The current minimum energy efficiency requirements within the National Construction Code are estimated to deliver a household–level benefit-to-cost ratio of 1.37, according to the report.

Mirvac has topped out Trielle at Melbourne’s Yarra’s Edge, with more than 70 per cent of the riverfront development sold and approximately 80 per cent of purchasers intending to make their apartment a home.

The figures, released on September 22, point to an owner-occupier audience for one of the precinct’s final residential towers. Mirvac began developing Yarra’s Edge in 2003, and its latest addition occupies one of the remaining absolute riverfront sites.

Mirvac CEO of Development Stuart Penklis said existing residents were among those moving up within the neighbourhood.

“Many purchasers already have a connection to Yarra’s Edge,” Mr Penklis said, describing buyers whose changing needs were encouraging an upgrade within the precinct.

“As one of the final residential towers within Yarra’s Edge, Trielle represents the culmination of more than two decades of creating one of Melbourne’s most established and sought-after waterfront communities,” Penklis said.

“Positioned on the Collins Street axis with absolute river frontage, Trielle offers residents a rare opportunity to enjoy sweeping views across the Yarra River, Melbourne skyline and Port Phillip Bay, while remaining seamlessly connected to the CBD. With Trielle now more than 70 per cent sold, we’re continuing to see strong demand from buyers seeking quality homes in established locations.”

The developer also flagged a penthouse and sub-penthouse collection with larger layouts, premium finishes and broad outlooks. The planned wellness centrepiece, The Oasis, encompasses a 900-square-metre elevated urban rainforest.

Mirvac General Manager Residential Development Victoria Elysa Anderson said Trielle had resonated strongly with buyers seeking a rare lifestyle offering in Melbourne.

“Opportunities to secure a new luxury residence on a riverfront site of this calibre are incredibly rare, particularly within a community like Yarra’s Edge,” Anderson said.

“What makes Trielle unique is the combination of exceptional views, world-class residential facilities and the lifestyle that already exists around it. Residents are buying into a mature waterfront community with parks, promenades, dining, wellness and strong community connections already in place.”

The 45-level tower brings a substantial new presence to that waterfront. Its residential offering spans one-, two-, three- and four-bedroom apartments, with Signature, Prestige and Sub-Penthouse collections accommodating different household sizes. The north-facing position connects the apartments visually to the river and city beyond.

Seven storeys above the promenade, the planned Oasis combines planting and a running stream with a Scandinavian-inspired wellness club developed with spa specialist Naomi Gregory. Facilities include a 25-metre lap pool, hot magnesium pool, sauna, hydrotherapy, a gym, yoga and Pilates room, and treatment spaces.

The amenity extends beyond exercise. Residents will have access to The Biblioteca library and workspaces, ground-floor work pods, and The Salone piano lounge. A private Chef’s Table dining room offers a setting for larger gatherings, while a cinema, games room and sports lounge broaden the entertaining options. Concierge services and a dog-wash area support everyday routines.

Trielle comprises a collection of one, two, three and four-bedroom residences. Reflecting strong demand from owner occupiers, approximately 80 per cent of purchasers to date intend to live in their homes, highlighting the project’s appeal to those seeking a long-term waterfront lifestyle.

Mirvac has recently delivered The Albertine, a premium apartment development on the edge of Melbourne’s CBD, and is nearing completion of Prince & Parade in Brunswick, further strengthening its portfolio of thoughtfully designed apartment communities in some of Melbourne’s most sought-after urban locations.

The climbing cost of climate change for the Australian property market

The insurance premium gap between flood affected and non-flood affected homes is significant

Mirvac’s 45-level Trielle has topped out at Yarra’s Edge, pairing riverfront apartments with wellness facilities, private dining and resident services.