One of Sydney’s ritziest harbour-view mansions has sold for $12.8 million — almost $7 million less than it fetched four years ago.

Rothesay, an 1868 Gothic revival estate in Balmain East, last changed hands for $19.76 million in 2022. Its latest sale represents a fall of almost 35 per cent as Sydney’s property downturn spreads through the top end of the market.

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The six-bedroom home, which overlooks Darling Harbour and Barangaroo, was sold to an unidentified inner west local following several unsuccessful campaigns and an initial $18 million guide.

Businessman Devesh Mishra and his wife, Anshika, bought Rothesay from mortgage brokers Haitham Rifai and Malcolm Day in 2022. Mishra was a director of automotive parts business Cornell and MTQ Group, which later collapsed owing a reported $94 million.

Mishra subsequently declared bankruptcy and receivers were appointed to sell the mansion. It was initially offered last year with an $18 million guide before eventually changing hands through a mortgagee-in-possession sale.

Selling agent Matthew Hayson said the loss reflected both the downturn and the extraordinary price paid near the top of the market.

“It was brand new when it was purchased in 2022, and it was always considered a huge price at the time,” Hayson said via the Financial Review.

“It was the highest priced sale on the peninsula ever recorded, and it wasn’t a waterfront.”

That record was later overtaken by the $21 million sale of waterfront estate Keba in Birchgrove in December 2024.

A designer home in neighbouring Birchgrove sold for $8.3 million on August 28 after changing hands for $9.7 million in May 2023 — a decline of more than 14 per cent.

“It’s probably more acutely felt at the upper end. A 5 per cent discount represents big numbers, while a 10 per cent discount is extraordinary,” Hayson said.

“It’s irrefutable now, and the whole Sydney market is being repriced very quickly.”

Rothesay, an 1868 Gothic revival estate in Balmain East, last changed hands for $19.76 million in 2022. Source: realestate.com.au

Its latest sale represents a fall of almost 35 per cent as Sydney’s property downturn spreads through the top end of the market. Source: realestate.com.au

The latest market data backs the broader direction. While not every property is experiencing Rothesay’s enormous fall, there is indeed a correction underway after years of runaway growth.

Cotality’s August figures show Sydney dwelling values fell 1.4 per cent during the month and are now 7.1 per cent below their February peak. Ninety-three per cent of capital-city suburbs recorded falls through winter.

HSBC has forecast a 16 per cent peak-to-trough decline for Sydney and a 13 per cent national fall by mid-2027.

“If this plays out as we expect, it would be the largest housing price correction in modern history,” HSBC chief economist Paul Bloxham said.

Sydney auctioneer Damien Cooley has separately estimated that prices at the top end have already dropped by between 15 and 20 per cent.

“It feels like that breaking point,” Hayson said.

“For a long time we’ve been told Australian property – especially in Sydney – is overpriced, and we’ve all gone, ‘Yeah, it kind of is’, but we keep transacting anyway.

“Now, it feels like the day of reckoning, where everything has hit at once.”

The six-bedroom home, which overlooks Darling Harbour and Barangaroo, was sold to an unidentified inner west local following several unsuccessful campaigns and an initial $18 million guide. Source: realestate.com.au

But a little perspective is required whenever falling house prices are presented as a national calamity that needs addressing immediately.

For many established owners, the recent decline amounts to surrendering part of the enormous paper gains accumulated during the past five years.

PropTrack’s latest index puts Sydney house prices 5.8 per cent below their peak but still 11.8 per cent higher than five years ago. National home prices remain 27.5 per cent higher over the same period.

Inner West Council data shows median house prices across the municipality increased by an average of 6.8 per cent annually over the five years to December 2025 — roughly 39 per cent when compounded.

In short, a modest fall does not reverse five years of explosive growth. In many suburbs it just winds the clock back part of the way.

That does not make the downturn painless. Somebody who bought recently with a small deposit can have their equity erased quickly, while a forced seller cannot comfort the bank by pointing to what the house might be worth again in 10 years.

Higher interest rates also mean a cheaper home is not necessarily easier to service. Buyers may be offering less simply because banks will no longer lend them as much.

The wider market was already severely stretched before prices began falling. AMP modelling estimated Sydney houses were 42 per cent overvalued against their long-term, inflation-adjusted price-to-rent ratio.

Cotality’s latest affordability report put a typical Sydney house at a whopping 12.5 times median household income. It estimated saving a 20 per cent deposit would take 16.7 years and servicing a new mortgage would consume 68.1 per cent of median household income.

Against that backdrop, the hand-wringing over a few percentage points being removed from prices deserves to be taken with a grain of salt.

While the fall is indeed real, so is the grossly inflated base from which it began.

The argument becomes more complicated when Labor’s changes to capital gains tax and negative gearing are added.

From July 2027, negative gearing will generally be restricted to newly built homes, while the 50 per cent capital gains tax discount will be replaced by inflation-based indexation and a minimum 30 per cent tax on realised gains.

Existing investments held before Budget night are protected from the negative-gearing change, while gains accrued before July 2027 retain the old CGT treatment.

Owner-occupied homes remain exempt from CGT.

The Commonwealth Bank estimates the tax package will eventually leave prices just under 3 per cent lower than they otherwise would have been.

CBA also regards higher interest rates as the larger immediate force depressing borrowing capacity.

As independent economist Saul Eslake previously told news.com.au last month, the tax treatment introduced in 1999 had made property speculation considerably more attractive.

“And then the change to the capital gains tax regime in 1999 substantially enhanced the appeal of negative gearing, by turning it from a vehicle it had long been enabling taxpayers to defer tax, into one which enabled taxpayers both to defer and permanently reduce the amount of tax they would otherwise have to pay,” he said.

Critics of Labor’s reversal argue fewer investors could mean fewer rental properties, higher rents and less construction. Supporters argue owner-occupiers will replace some investors at auctions, turning renters into owners rather than simply removing homes from the rental pool.

AMP chief economist Shane Oliver has warned that neither side should pretend tax reform alone can solve the deeper shortage.

“But it’s doubtful that the moves will boost housing affordability much over the longer term, as the basic driver of this is a shortage of housing relative to underlying population-driven housing demand,” he said.

The Reserve Bank is watching the downturn but does not expect it to cause a recession under its central forecast.

Assistant governor Sarah Hunter said this week that weaker prices could actually assist the inflation fight, although a deep and sustained fall would weigh on spending and construction.

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Sydney seller loses millions on home