One-of-a-kind homes are good at creating hype but not always at securing a sale. Agents say they love selling them, but know they have their work cut out.
A home buried under the ground. Another atop a gigantic aquarium. Or perhaps a house just way too good for its suburb. Unique properties have a way of stopping the scroll, but does all that attention actually sell the place?
Agents who sell extraordinary homes say it's complicated.
Unique homes attract enormous interest — and a dramatically smaller buyer pool. The same features that make a property unforgettable can also make it unfinanceable, uninsurable or simply too niche for the mainstream market.
Buyers fall in love easily. They walk away easily too.
So what's the real experience of selling a truly special home? We look at some recent sales of unique properties — and ask what owners need to know before they list.
A house built over a 14,000-litre aquarium — the third largest residential fish tank in Australia — was always going to divide buyers between lovers and fearers.
"For plenty of buyers it screamed high maintenance and led them to rule out the house even though they loved it," said agent Riley Atkinson at LJ Hooker.
The aquarium can be viewed from above, through sturdy windows right next to the kitchen counter. Picture: realestate.com.au/sold
The eventual buyer of 4 Stuart Street, Capalaba, sold by Jimmy Regan, paid $1.75m post-auction — and their connection to the property was immediate.
At the first open home, their child lay down on the glass above the tank and watched the fish for the entire inspection.
It also has a viewing area below ground, and a spot for people to enter and go snorkelling.
"I'd have to assume that had an influence on their decision," Mr Atkinson said.
"The owners said their kids used to do the same thing — building cubby houses on top of the fish tank, where they would spend the night."
Anyone who's driven across Sydney's Spit Bridge would have clocked the grand white dame overlooking Middle Harbour with its soaring columns, arched balconies and concrete statues.
Built by a Greek-Australian couple in the early 1980s and virtually unchanged since, the opulent three-storey home at 23 Battle Boulevard, Seaforth is known locally as the Wedding Cake.
The family listed the home in August 2025 for $9m but despite the attention, it sat on the harbourfront for six months before selling for around $8.5m.
The iconic property is famous in the local Sydney area. Picture: realestate.com.au/sold
"It's a unique property so we really need to find the right buyer, which takes a little more time than the normal property," said agent Lydia Feng at Belle Property Northern Beaches.
Having the grandest home in the area doesn't always serve you well at sale time. Buyers at your price point may not consider your suburb — leaving you overcapitalised and waiting.
That appeared to be the challenge at 17 Nevis Place, Truganina, a five-bedroom home of dramatic voids, curved glass balustrades and suspended chandeliers that its listing described as "a global statement of grandeur".
This enormous compound sits within an unassuming new development suburb in outer Melbourne. Picture: realestate.com.au/sold
In an outer Melbourne suburb with a median house price of around $675,000, it was a conspicuous outlier.
It took eight months, multiple agents and a creative rethink by Zac Burd at PropApp.
"Our Instagram post featured a walk-through that was set to a killer track by Led Zeppelin and secured nearly 100,000 unique views," he said.
The home sold for $1.73m, well above the suburb's median house price of around $675,000. Picture: realestate.com.au/sold
It sold for $1.73m — down from an original ask of $2m-$2.2m.
The 'Barbie House' at 23 St Georges Road South, Fitzroy was one of the most viewed homes in the country in April — but passed in at auction and may soon be pulled from the market.
The home went viral for its bold Barbie-inspired interiors, but is yet to sell. Picture: realestate.com.au
The two-bedroom terrace is "unapologetically pink," according to its listing: a Barbiecore fantasy of pink ceilings, bold wallpaper, a terrazzo bathroom and red-pink laundry, guided at $1.25m.
"We had 120 groups through — really strong numbers — but it was a bit too personal for buyers," said agent James McCulloch of Nelson Alexander Fitzroy.
"With unique properties the buyer pool can be small, but they can often be very serious and bid strongly to secure it. Unfortunately the pink house just didn't have those two buyers."
23 St Georges Road South, Fitzroy North is listed for $1.25m. Picture: realestate.com.au
For vendors looking to renovate ahead of sale, he advises them to involve an agent at the design phase and visit open homes in the area — and put themselves in the buyer's shoes.
"Think about whether you were buying — is this something that would be important to you?"
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