Back 25 Onslow Street
Off Market

25 Onslow Street

Rose Bay NSW 2029

5
3
2
House
Gavin RubinsteinGavin Rubinstein, last sold this property on 24 September 2026 after 48 days on market.

Overview

Brand-New Freestanding Luxury Family Residence with Lift.

A statement of uncompromising luxury and architectural brilliance, this brand-new residence redefines contemporary family living in a peaceful Rose Bay address. Meticulously crafted over three years as a true labour of love, this magnificent double brick home features solid concrete construction across both levels and reflects an unwavering dedication to quality, precision and enduring design. A grand entrance foyer with lift access to every level sets the tone, while a refined palette of textural materials, including solid herringbone timber and marble accents, is enriched by sculptural curves and beautifully executed detailing to create interiors of timeless elegance. A chef's marble kitchen is appointed with a vast island breakfast bar and premium Miele gas appliances, while extending to a private side courtyard with a bar, offering an intimate setting for relaxed entertaining. Beyond, striking open plan living and dining areas are enhanced by soaring ceilings, an integrated gas fireplace and walls of glass allowing seamless transitions to an alfresco entertainers' terrace. Framed by a dramatic circular skylight, it features an integrated BBQ and outdoor kitchen followed by a sunny level lawn and a circular mosaic-tiled swimming pool. Upstairs, four generous bedrooms provide luxurious family accommodation, each appointed with custom built-in wardrobes and beautiful natural light. Two bedrooms enjoy their own ensuite, including the master with a freestanding bath, while every bathroom is finished with exquisite marble, underfloor heating, Parisi tapware and rainwater showers. Further highlights of this incredible home include a dedicated study, zoned ducted air conditioning, a guest powder room and extensive storage, AV security intercom and internal access to a remote garage with secure off-street parking. There is also scope to create a double lock-up garage (STCA), presenting an exciting opportunity to further elevate this already exceptional residence. Perfectly positioned in one of Rose Bay's most tightly-held pockets, this extraordinary residence is within a stroll of cosmopolitan village shops and popular cafes, Harris Farm and Bunnings, while moments to Bondi Beach, Rose Beach, buses, ferries and prestigious schools. - 5 bed + study | 3.5 bath | 2 car - Brand-new state-of-the-art architectural masterpiece - Concrete construction & double brick across both levels - Meticulously crafted with exceptional attention to detail - Intelligent design balancing luxury & everyday functionality - Chef's kitchen with expansive marble island breakfast bar - Premium Miele gas appliances, custom wine fridge - Striking open living and dining with soaring ceilings - Effortless transition to all-weather alfresco entertaining - Circular skylight and integrated outdoor kitchen & BBQ - Sun bathed level backyard with mosaic-tiled circular pool - Premium gas fireplace, zoned ducted air conditioning - Exquisite marble accents and bespoke joinery throughout - Four upper-level bedrooms appointed with custom BIR's - Three deluxe marble bathrooms with underfloor heating - Master & second bedroom with ensuites, powder room - Master ensuite w/ Calacatta vanity & standalone bath - Internal laundry with storage and direct outdoor access - Parisi bronze tap ware in all bathrooms, kitchen & laundry - Grand entrance foyer and internal lift servicing both levels - Automated gate access with secure parking for two cars - Potential to create a double lock-up garage (STCA) - Stroll to village shops, cafes, Harris Farm and Bunnings - Walk to Rose Bay Beach, buses, ferries, gourmet delis - Minutes to Bondi Beach, Westfield & esteemed schools

Features

5 bedrooms
3 bathrooms
2 carspaces
House

Estimated Value

Based on this property and similar 5 bedroom houses sold in Rose Bay over the last 12 months, the estimated median property value of 25 Onslow Street is $5.85m.

Median value
$5.85m
Estimated value range
$100k - $19m
Median days on market
53
Estimated value trend
-9%
decrease over the last 12 months
Average days on market is based on recent, comparable sales in Rose Bay. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 25 Onslow Street

2026
Sold
Undisclosed
Sold Before Auction on 24 Sep 2026 by Gavin Rubinstein, of TRG The Rubinstein Group
2023
Sold
Undisclosed
Private Sale/Treaty on 26 May 2023 by Robert Paridis, of Laing+Simmons Kingsford

Happy sellers in Rose Bay

76%
76% of sellers in Rose Bay reported that their sale price either exceeded or met their price expectations.

Rose Bay stands out for consistently delivering exceptional satisfaction and strong market results for homeowners.

This is based on voluntary sentiment collected from 40 reviews in Rose Bay over the last 12 months.

Local market activity for 5 bedroom houses in Rose Bay

In the last 12 months, 9 five-bedroom houses similar to 25 Onslow Street, have been sold.

This represents a 29% increase in five-bedroom houses sales when compared to the previous 12 months.

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