11 Cobbittee St, Mosman is a 5 bedroom, 4 bathroom House with 4 parking spaces. The property has a land size of 670m2. While the property is not currently for sale or for rent, it was last sold in March 2026. There are other 5 bedroom House sold in Mosman in the last 12 months.
Wrapped in walls of glass and immersed in tranquil greenery, this expansive multi-level residence presents as a private sanctuary on the edge of Sydney Harbour. Positioned in an exclusive cul-de-sac on the fringe of Balmoral Park, the home commands a substantial 670sqm parcel and delivers approximately 380sqm of internal living, thoughtfully designed to capture a prized northern aspect with winter sun and summer comfort enhanced by external shutters throughout.
A series of beautifully scaled living and dining zones unfold across both levels, creating flexibility for both everyday family life and large-scale entertaining. Formal and informal areas connect seamlessly to wraparound terraces, alfresco spaces and the heated swimming pool, while the window-framed kitchen with generous eat-in island forms a natural gathering point, linking effortlessly to the outdoor BBQ terrace and landscaped surrounds.
Accommodation is generously proportioned and well-zoned. The upper-level master retreat enjoys a full-width private balcony, walk-in dressing room and ensuite with bathtub, complemented by an adjoining study. Additional bedrooms are spacious, including a ground-floor guest suite with direct yard access. Extensive built-in storage, ducted air conditioning and a considered floorplan ensure comfort and practicality throughout.
A basement double garage is accompanied by a workshop, wine cellar, bicycle storage and additional storeroom, while a large solar system with home battery, rainwater tanks and EV charging enhance sustainability. Located moments from Balmoral Beach, Cobblers Beach and the harbour parklands of Middle Head, and close to the lifestyle attractions of Mosman Village, this is a premier Lower North Shore address of space, privacy and enduring family appeal.
• Exclusive position in a tightly held premier cul-de-sac
• 670sqm landholding with approximately 380sqm of internal living
• Multiple open-plan living zones across both levels
• Wraparound windows, terraces and alfresco entertaining areas
• Landscaped gardens and large heated pool terrace
• Window-framed kitchen with generous eat-in island
• Private master retreat with balcony, dressing room and ensuite
• Ground-floor guest accommodation with yard access
• Dedicated study adjoining the master suite
• Timber floorboards and external shutters throughout
• Basement double garage, workshop, wine cellar and storage
• Ducted air conditioning and extensive built-in cabinetry
• Large solar system with home battery, rainwater tanks and EV charging
*All information contained herein is gathered from sources we consider to be reliable. However we cannot guarantee its accuracy and interested persons should rely on their own enquiries.
For more information or to arrange an inspection, please contact Geoff Allan on 0414 426 424 or Geoff Smith on 0418 643 923 or Colin Craig on 0411 264 660.
The size of Mosman is approximately 8.7 square kilometres. It has 45 parks covering nearly 29.6% of total area. The population of Mosman in 2016 was 28475 people. By 2021 the population was 28329 showing a population decline of 0.5% in the area during that time. The predominant age group in Mosman is 50-59 years. Households in Mosman are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Mosman work in a professional occupation.In 2021, 64.10% of the homes in Mosman were owner-occupied compared with 62.80% in 2016.
Mosman has 16,023 properties. Over the last 5 years, Houses in Mosman have seen a 13.80% increase in median value, while Units have seen a 22.36% increase. As at 30 April 2026:
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