Rose Bay House: Sydney’s newest waterfront mansion 
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Rose Bay House: Sydney’s newest waterfront mansion 

A $20 million rebuild is set to reshape Rose Bay’s dress circle, with Tribe Studio proposing a sustainable, sculptural mansion to replace the existing trophy home and reclaim its coveted harbour views.

By Staff Writer
Tue, Nov 18, 2025 10:05amGrey Clock 2 min

What happens in one of Sydney’s most affluent suburbs when a neighbour’s trees block your panoramic views of the Harbour? You build a new $20 million house.

That’s the reality in Rose Bay, where there are plans for a knockdown rebuild of the trophy home Indah on the dress circle Bayview Hill Road. That last sold for just over $27 million in 2015 when it was bought by barrister Georgina Black. 

Two years ago, Black sought to have four recently planted palm trees on her neighbour’s property removed because they obstructed her view of the Sydney Opera House.

Council rejected the application, so Black took the matter to the Land and Environment Court. They also sided with her neighbour.

Now a new four-level home is planned for the prime 888 sqm block. The documents suggest it will be more in keeping with its location than the existing five-bedroom, glass-swathed mansion.

In its Design Statement submitted to Woollahra Council, Tribe Studio Architects described Rose Bay House as an “ambitious project.” They said they aim to set a high watermark for sustainable and Country-centred design.

Ironically, the report notes that, in a traditional sense, they are “being a good neighbour to the surrounding sites.”

“We are honouring shared views, we are creating landscape buffers, and we have liaised closely with neighbours where possible to secure their support for the proposal,” the report states.

They also say they are driven by being a “good neighbour” to the Harbour.

“In this prominent location, the house is a shared foreshore for everyone using the Harbour. The design reinstates a sandstone, bushy foreshore and reduces the sense of highly reflective, large glass spans that dominate the existing dwelling.”

“We hope to inspire a new generation of luxury that is not reliant on imports and extraction, but rather is inventive, crafted and responsible.”

The elements of the home are categorised for longevity to manage maintenance, upgrades, and overall durability. Permanent elements are designed to last for hundreds of years.

The new home will span four levels. The entry level will feature an open-plan kitchen, living, and dining area opening to gun-barrel views of the Harbour.

Two levels will sit below ground. The lowest level includes a natural pool and a quarry-like, double-height outdoor dining area and undercroft pool zone. Tribe drew inspiration from the Ca’n Terra House by Ensamble Studio in Menorca, Spain, converted in 2020 from an abandoned limestone quarry.

The entire top level will be a dedicated master suite with a dressing room and ensuite. In total, six bedrooms are proposed, along with several home office spaces and lounge areas.

It would be realistic that given the purchase price of the home a decade ago, and a $20 million rebuild, the new trophy residence would become one of the priciest in Rose Bay.

The current Rose Bay record was set earlier this year when a harbourfront home on Tivoli Avenue, with three separate residences on the 1,138 sqm block, sold for a reported $82.5 million.



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Australia’s housing market is expected to keep rising in 2026, but new research shows growth will increasingly depend on postcode, not postcode averages.

By Staff Writer
Wed, Jan 28, 2026 3 min

Confidence across Australia’s housing market remains firm heading into 2026, but momentum is expected to diverge sharply by state as affordability ceilings, interest rate uncertainty and local supply constraints reshape conditions, according to new research from Cotality and a broad range of market forecasters.

Findings from Cotality’s Decoding 2026 report, based on responses from real estate agents and finance professionals nationwide, show 87% of respondents expect dwelling values to rise over the year ahead, while just 3.5% anticipate prices will fall.

Almost half forecast price growth of more than 5%, highlighting ongoing optimism following widespread gains through 2025.

That outlook broadly aligns with forecasts from major banks and property research groups, including ANZ, Domain, PropTrack and SQM Research, with the majority of forecasters expecting national home values to rise again in 2026, albeit at a more moderate and uneven pace than in recent years.

Cotality’s December Home Value Index recorded price growth across every capital city and regional market in 2025, with national dwelling values rising 8.6%,  adding around $71,400 to the median home value.

Cotality Australia Research Director Tim Lawless said conditions softened toward the end of the year as affordability pressures intensified and expectations around interest rates shifted.

“Housing conditions were strong for most of 2025, which explains the broadly positive sentiment,” Lawless said.

“However, national averages mask increasingly wide variation at the local level, and it’s those differences that are becoming more important as affordability constraints and policy settings diverge.”

Smaller States tipped to outperform

Queensland, Western Australia and South Australia continue to stand out as the most positively viewed markets entering 2026, both among industry respondents and external forecasters.

Cotality survey results show 89% of Queensland respondents expect prices to rise, with more than half anticipating growth above 5%.

That optimism is echoed by forecasts from ANZ, Domain and SQM, which expect Queensland to remain one of the stronger-performing markets nationally, supported by population growth, tight rental conditions and ongoing housing shortages.

Western Australia also features prominently in forecasts, with SQM Research projecting some of the strongest percentage gains nationally, while Domain and ANZ expect Perth prices to continue rising, albeit at a steadier pace than in 2025.

Broad-based demand across price points and relatively affordable entry levels are expected to support further growth.

South Australia’s outlook remains underpinned by relative affordability and limited new supply. Most major forecasters expect Adelaide dwelling values to rise again in 2026, though generally at a more moderate pace compared with Queensland and Western Australia.

“Strong internal migration, tight rental markets and a persistent undersupply of housing continue to support these markets,” Lawless said.

“Those fundamentals largely remain in place, which helps explain why both agents and forecasters remain optimistic about price growth across much of the country outside the east coast’s largest cities.”

NSW and Victoria face tighter constraints

While sentiment in New South Wales remains positive, expectations are increasingly conditional. High dwelling values, stretched borrowing capacity and sensitivity to interest rate movements are expected to limit the pace of growth.

ANZ, Domain and PropTrack all forecast continued price increases in Sydney in 2026, though at a more moderate pace than recent years, reflecting affordability ceilings and rising listings.

Victoria continues to lag national performance after recording the weakest growth among the states in 2025. Although most forecasters still expect Melbourne home values to rise in 2026, expectations remain subdued relative to other capitals.

Higher property taxes, reduced investor participation and softer population growth continue to weigh on confidence, despite first home buyers accounting for a larger share of lending.

“Victoria stands out for the scale of investor selling, policy settings and higher holding costs, all of which have dampened activity,” Lawless said.

“While prices are still expected to trend higher, most forecasters see Victoria underperforming the national average again in 2026.”

First home buyer support lifts activity, but affordability bites

More than 75% of real estate agents reported increased activity following the expansion of the First Home Guarantee, with competition intensifying around scheme price thresholds.

Federal Treasury data shows more than 21,000 first home buyers have accessed the expanded 5% deposit scheme since October*.

However, affordability remains a key constraint, with fewer than half of Australian suburbs now priced below First Home Guarantee caps, a sharp decline from a year earlier.

Confidence holds, but risks are building

While expectations for price growth remain broadly positive across most forecasts, confidence is becoming more conditional as affordability ceilings, interest rate uncertainty and uneven regional dynamics shape the outlook.

“The market enters 2026 from a position of strength, and the majority of forecasters still expect dwelling values to rise,” Lawless said.

“However, affordability challenges, interest rate uncertainty and policy settings are likely to cap the pace of growth, particularly in higher-priced markets.

“With no material supply response expected in 2026, tight housing conditions should help offset downside risks, but outcomes will increasingly depend on local market dynamics rather than national trends.”

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