2B Mosman Street, Mosman, NSW 2088

House
Type
3
Bedrooms
2
Bathrooms
1
Parkings

Last updated on Friday, August 21, 2026 ( See property details for 2B Mosman Street, Mosman, NSW 2088)

Auction | Contact De Brennan

Michael Bao Licensed Real Estate Agent
David Grant Licensed Real Estate Agent
  • AI-generated summary for guidance only. We can’t guarantee accuracy -please verify all details independently before deciding.

An architecturally acclaimed, waterfront residence in Mosman offering stunning water views, expansive living spaces, and exceptional outdoor entertaining areas across three levels.

🏡 Property Highlights

  • Architecturally significant residence recognised among Australia's top 30 houses of the past 60 years
  • Spectacular waterfront position with sweeping views across Mosman Bay
  • Three-level design with expansive open-plan living, dining, and kitchen areas
  • Exceptional rooftop terrace with integrated kitchen and barbecue for entertaining
  • Light-filled bedrooms including a generous principal retreat with sitting room or study
  • Potential to incorporate a lift for enhanced accessibility (STCA)

✨ Key Features

  • Open-Plan Living
  • Outdoor Area
  • Balcony
  • Built-in Robes
  • Waterfront / Views
  • Outdoor Area / Balcony
  • Garage / Secure Parking
  • Internal Laundry
  • Security Screens / Gates
  • Pet-Friendly
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2B
Mosman, NSW 2088
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2B — Vertical Aerial  •  Mosman, NSW 2088  •  Nearmap © 2026

Mosman is a prestigious suburb renowned for its stunning harbour views, lush parks, and vibrant village atmosphere. It offers a blend of luxury living and outdoor recreation, with excellent amenities, boutique shopping, and easy access to Sydney’s CBD. The area is ideal for those seeking a serene waterside lifestyle combined with convenience and exclusivity.

What are the main architectural features that make this home significant?
This residence is recognised for its radical conception, timeless execution, and its recognition by Architecture Foundation Australia as one of the most important Australian houses of the past 60 years, featuring expansive glass, iconic windows, and a three-level design that maximises water views.
Can the home be made more accessible for people with mobility issues?
Yes, there is potential to incorporate a lift connecting the levels, which would enhance accessibility and future liveability, subject to STCA approval.
What outdoor entertaining options does the property offer?
The property features a magnificent rooftop terrace with an integrated kitchen and barbecue, ideal for entertaining and enjoying panoramic views of Mosman Bay.
Are there any restrictions or considerations regarding the property’s heritage or architectural significance?
While the home is of architectural significance, any modifications or additions would need to respect the original design and may require approval from relevant authorities.
What are the nearby amenities and transport options?
The residence is a short walk to Mosman Shops and only 10 minutes to the Sydney CBD, offering convenient access to shopping, dining, and transport links.
Are there any existing or planned developments nearby that could impact the water views or privacy? What are the ongoing maintenance costs associated with the home’s architectural features and waterfront location? Has the property been affected by any flooding or water damage, given its waterfront position? Are there any restrictions or covenants related to future modifications or extensions, especially regarding the potential lift installation? What are the strata or council requirements for any renovations or additions to the property?

2B Mosman Street, Mosman, NSW 2088 - More Details

Auction | Contact De Brennan

Commanding an extraordinary position above the serene waters of Mosman Bay, 'The Collins House' is a freestanding residence of exceptional architectural provenance and enduring significance.

Having previously been recognised by Architecture Foundation Australia as one of the 30 most important Australian houses of the past 60 years, this celebrated home represents a rare intersection of architecture, place and lifestyle.

Radical in its conception and remarkably timeless in its execution, the residence unfolds across three beautifully resolved levels, each intrinsically connected to the harbour. Expanses of glass frame sweeping views across Mosman Bay, drawing natural light and the changing colours of the water deep into the interiors. Adding further appeal is the potential to incorporate a lift connecting the home’s levels, offering scope to enhance accessibility and future liveability while respecting the integrity of the original architecture (STCA).

The principal living level is spectacular in both scale and outlook. An expansive 180-degree open-plan living, dining and kitchen space is defined by the home’s iconic windows, creating an immersive connection to its remarkable waterfront setting. A spacious open-plan chef’s kitchen brings a refined contemporary edge to the architectural composition, complemented by a butler’s pantry offering exceptional preparation space and storage — ideal for both everyday living and large-scale entertaining.

Crowning the residence is an exceptional rooftop terrace conceived for entertaining. With an integrated kitchen and barbecue, this private sanctuary captures breathtaking panoramas across Mosman Bay — an extraordinary setting for long lunches, intimate dinners and evenings beneath the Sydney sky.

Three light-filled bedrooms occupy the lower level, including a generous principal retreat with an adjoining sitting room or study. A wraparound balcony, extensive integrated storage and beautifully considered contemporary bathrooms enhance the sense of understated luxury and effortless liveability.

A lock-up garage provides valuable flexibility, while the low-maintenance garden surrounds complement the residence beautifully, allowing the architecture, harbour outlook and exceptional setting to take centre stage.

- The celebrated Collins House, an Australian residence of architectural significance
- Recognised among the 30 most important Australian houses of the past 60 years
- Exceptional Mosman Bay position with breathtaking water views throughout
- Three expansive levels with stunning water views
- Signature 180-degree living, dining and kitchen domain framed by iconic glazing
- Magnificent rooftop entertaining terrace with integrated kitchen and barbecue
- Three beautifully illuminated bedrooms, including substantial principal retreat with sitting room/study
- Wraparound balcony and extensive integrated storage
- Contemporary bathrooms and internal laundry
- Private, low-maintenance gardens surrounds
- A peaceful sanctuary yet a short walk to the Mosman Shops and only 10 minutes to the city

Disclaimer: We cannot guarantee the accuracy or give any warranty to the information provided regarding this property, including but not limited to the general property description, artist impressions, design, outlook, size or views. All images contained in this document are merely artist impressions only and any represented outlook or views may be inaccurate. The information contained herewith should not be relied upon, and you should make your own enquiries and seek advice in respect of this property.
Type
House
Bedrooms
3
Bathrooms
2
Parkings
1

Auctions

  • 2B Mosman Street, Mosman, NSW 2088

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