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Images and floorplans are provided for illustrative purposes and remain the property of their respective copyright owners.

21D Rosebridge Avenue, Castle Cove NSW 2069

Listed: 10th Jul 2026
Updated: 3 days ago
Overview

This brand new duplex at 21D Rosebridge Avenue exudes architectural finesse and thoughtful design, creating a refined living environment marked by luxury and functionality. The home’s generous layout features five bedrooms and four bathrooms, ideal for larger families or those seeking additional space for guests or work-from-home areas.

Distinctive elements such as a high-set glass façade and multiple skylights flood the interiors with natural light, enhancing the sense of spaciousness and calm throughout the residence. An internal lift adds a layer of convenience and accessibility, serving all levels with ease.

The chef’s kitchen is a highlight, equipped with premium Miele appliances, an induction cooktop supported by a butler's gas kitchen, a stone island bench, and an integrated fridge. These features support both everyday family meals and entertaining on a grander scale.

Indoor and outdoor living blend seamlessly with floor-to-ceiling glass doors opening to a terrace complete with a retractable awning and alfresco kitchen and barbecue area, perfect for gatherings and enjoying the morning sun. The outdoor lawns offer additional serene space, contributing to a lifestyle that balances relaxation and entertaining.

Accommodation extends to a gorgeous lower-level guest suite with built-in and walk-in robes, offering privacy and comfort for visitors. The main bedroom boasts its own balcony and a deluxe ensuite bathroom with a sumptuous bath, showcasing stone finishes and fluted shower screens. Additional amenities include a powder room and ducted air conditioning throughout to ensure year-round comfort.

With its combination of luxury inclusions, spacious accommodation, and seamless indoor-outdoor connections, this property will appeal to discerning families and professionals looking for a sophisticated home that enhances their lifestyle in a convenient location close to schools, shops, transport, and parks.

Local Market Insights

In Sydney - North Sydney And Hornsby, Quiet Listings observed 7 new duplexes entering the market over the last 30 days, up from 3 during the previous 30-day period, with an average advertised asking price of $2,714,286. The property type mix of listed properties is predominantly Apartments at 42%, followed by houses (38%), and units (8%). The most active agency for duplexes in the Sydney - North Sydney And Hornsby area is currently McGrath Estate Agents, representing 43% of new listings, followed by Ray White with 29%. These insights are based on agencies currently monitored by Quiet Listings and are updated as the local market changes.

While every effort is made to ensure the accuracy and completeness of the property information provided, no guarantee is given. Buyers should independently verify all details, inclusions, availability, pricing, and other relevant information directly with the listing agent before relying on this information.

Change History
Headline When
$3,650,000
$3,650,000 - $4,000,000
Contact Agent
Location
21D Rosebridge Avenue
Castle Cove NSW 2069
Market Insights for Castle Cove NSW 2069
New Listings (last 30 days)
7
Average price
$2,714,286
Lowest price
$1,500,000
Highest price
$5,000,000
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