Wealth on the rise as billionaires reshape Australia’s property landscape
Australia’s wealthy class is expanding fast, and Knight Frank says that a surge in billionaires is reshaping the nation’s luxury property market.
3 min
Australia’s luxury property market is being quietly reshaped by one of the most significant wealth expansions in the world.
According to Knight Frank’s latest Wealth Report, the country’s billionaire population is set to grow by 77 per cent over the next five years, rising from 48 to 85 individuals.
That surge sits within a broader wave of wealth creation. Ultra-high-net-worth individuals, those with more than US$30 million, are forecast to increase by nearly 60 per cent to over 26,000 Australians by 2031.
Globally, the pace is accelerating. The report reveals that 89 new ultra-wealthy individuals are created every day, a figure that underscores a structural shift in capital formation rather than a cyclical upswing.
For luxury property markets, this is not just a headline number. It is a demand driver.
Australia’s wealth story is increasingly underpinned by diversification across resources, finance, technology and services, creating a depth of private capital that is both mobile and strategic.
And mobility is key. The ultra-wealthy are no longer tied to a single market. Instead, they are operating across multiple global hubs, maintaining footholds in cities like London, New York and Singapore, while using Australia as a stable base.
In this environment, real estate becomes less about shelter and more about positioning. Trophy assets remain desirable, but capital is increasingly being deployed across the full risk spectrum, from long-term holds to value-add opportunities. For Australia, the implications are clear. As wealth expands, so too does the expectation of product, and the locations that can attract it.
The billionaire effect
While property remains central to wealth preservation, the latest data shows that capital is increasingly spreading across luxury asset classes, albeit with a more disciplined approach.
Knight Frank’s Luxury Investment Index recorded a modest 0.4 per cent decline in 2025, signalling a stabilisation phase after several years of correction.
But beneath that headline number is a more telling shift. Collectors are moving away from speculative buying and toward assets defined by rarity, provenance and cultural significance.
Impressionist art led the market, rising 13.6 per cent, buoyed by landmark sales including a US$236 million Klimt painting. Watches also performed strongly, up 5.1 per cent, driven by continued demand for brands like Patek Philippe and Rolex.
At the same time, more volatile categories have corrected. Whisky values fell 10.9 per cent, while parts of the fine wine market have softened following pandemic-era highs.
Perhaps the most notable trend is behavioural. Younger investors are entering the market through fractional ownership platforms, gaining exposure to high-value assets that were once out of reach.
For property, the parallels are clear. The same focus on scarcity, narrative and long-term value is increasingly shaping buying decisions at the top end of the residential market.
Global wealth
The growth in billionaires is not just increasing demand, it is changing where that demand is directed.
In Australia, Brisbane has emerged as one of a handful of global cities experiencing rapid change in its luxury positioning. The city’s transformation is being driven by infrastructure investment and the 2032 Olympics, with top-end apartment prices rising from around US$6 million to more than US$10 million in just 12 months.
Luxury price growth has remained steady, with Brisbane rising 2.1 per cent in 2025, while the Gold Coast recorded 2.8 per cent.
At the same time, buying power is tightening. US$1 million now buys 5 per cent less in Brisbane than it did five years ago, reflecting the upward pressure on prime markets.
The trend is not confined to capital cities. Regional lifestyle markets are also capturing attention. Geelong’s waterfront has been identified as one of the world’s hottest luxury residential markets, driven by a combination of coastal amenity, infrastructure and relative value.
In these markets, pricing is no longer the sole driver. Lifestyle, accessibility and long-term growth are increasingly shaping buyer decisions, particularly among globally mobile wealth.
Alternative luxury assets
Beyond residential property, high-net-worth individuals are continuing to diversify into alternative assets that combine lifestyle and investment potential.
One of the most compelling examples is vineyard investment. Knight Frank’s Global Vineyard Index highlights the Barossa Valley as one of the best-value wine regions globally, where US$1 million can secure more than 18 hectares of land.
Despite a 10 per cent decline in land values over the past year, the broader outlook remains positive, particularly as the global wine industry shifts toward premiumisation.
This “trading up” trend is seeing consumers favour higher-quality, provenance-driven wines over mass-market products, reinforcing the long-term appeal of established regions like the Barossa and Eden Valleys.
For investors, the appeal lies in the intersection of lifestyle and capital preservation. Vineyard assets offer not only production potential, but also a narrative — something increasingly valued in a market where experience and authenticity carry weight.
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A family trust for Gernot Langes-Swarovski, great-grandson of the crystal company’s founder, is selling the 72-acre Isola Santa Cristina.
2 min
A private island near Venice, Italy, that was owned by an heir to the Swarovski crystal fortune is set to hit the market for the first time in 40 years with an asking price of €24 million (US$28.3 million), Mansion Global has learned.
Isola Santa Cristina is in the northern part of the Venetian Lagoon, about a 40-minute boat ride from Venice. Drawn to the area’s fishing culture, Gernot Langes-Swarovski, the great-grandson of Swarovski founder Daniel Swarovski, acquired the island in 1986, according to Venice Sotheby’s International Realty, which is marketing the property.
The 72-acre island became a retreat for Gernot Langes-Swarovski, who valued sustainability and nature and maintained it with respect for those concerns.
In fact, the island’s fish farming has been redeveloped in collaboration with Venice’s Ca’ Foscari University, according to Sotheby’s International Realty.
“Gernot Langes-Swarovski’s passion for agriculture, heritage and ecology made his stewardship of Isola Santa Cristina extremely personal, forging relationships with local centres of excellence, such as Ca’ Foscari University, which shared his passion and view,” said Dr Christoph Völk, chair of the trustees of SEGNAL Privatstiftung, the private family trust selling the island.
Today, the island’s landscape still includes much of Langes-Swarovski’s additions: apricot and plum orchards; an olive grove, roughly 7 acres of vineyards producing Merlot, Chardonnay and Cabernet grapes; a vegetable garden; and beehives that produce organic salt marsh honey.
In addition to being involved in the family business, Gernot Langes-Swarovski co-founded business jet operator Tyrolean Jet Services. In 2014, Forbes estimated he had a net worth of $1.3 billion. He died in 2021 at the age of 77.
After his death, ownership of the island was transferred into a family trust, and the property was previously operated by Gernot Langes-Swarovski’s stepson René Deutsch and his wife, Sandra, as a luxury retreat with “a limited number of bookings per year,” according to the island’s website.
The historic villa spans 9,250 square feet across four floors, and includes nine bedrooms, nine bathrooms, two reception rooms, a formal dining room and a chef’s kitchen, plus air conditioning throughout. A crystal chandelier remains in the villa as a nod to Langes-Swarovski’s stewardship of the island.
Outdoor features include a veranda with a large dining space and an open-fire rotisserie and grill; an altana, a traditional Venetian roof terrace; and a heated saltwater pool. A path from the villa leads down to a dock and boat house, and there’s also a mooring for up to five boats.
Across a pond from the main house, there’s a 6,080-square-foot farmhouse with two bedrooms, two bathrooms, a kitchen, a living room and a yoga studio, as well as a self-contained apartment, also with two bedrooms, two bathrooms and a kitchen.
The family trust has continued to invest in the island in keeping with Langes-Swarovski’s eco-friendly ideals, according to information provided by the brokerage.
Most recently, they’ve planned the installation of a new €2 million-plus Centro Tecnologico, a facility that will support the island’s technical services, water management and storage of agricultural equipment.
“The time is now right for stewardship of Isola Santa Cristina to pass to a new custodian,” Völk said, “who appreciates the uniqueness of the location and whose passion for ecology and the lagoon will ensure its future.”
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