12 Koowong Avenue, Mosman, NSW 2088 | Property Value & History | OnTheHouse
 
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12 Koowong Avenue
Mosman NSW 2088

Bedrooms: 4
Bathrooms: 3
Car spaces: 2
Floor area: 205m2
Land area: 645m2
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Property Details for 12 Koowong Ave, Mosman

12 Koowong Ave, Mosman is a 4 bedroom, 3 bathroom House with 2 parking spaces. The property has a land size of 645m2 and floor size of 205m2. While the property is not currently for sale or for rent, it was last sold in September 2024.

Building Type
House
Floor Size
205m2
Land Size
645m2
Local Government
Mosman
Lot/Plan
11/DP22694

Last Listing description (November 2023)

Showcasing exceptional views over Quakers Hat Bay, this Andrew Tzannes designed masterpiece offers a luxurious family lifestyle and is a paradise for entertainers.

Adjacent to the green expanse of Beauty Point Reserve, it captures glittering water views from every aspect and angle of the home that can never be built out.

With stylish details and superb finishes, soaring glass walls and windows, the home blends space and light and is a perfect sanctuary for a family at every age and stage.

- Open plan living/dining flows to terrace with awning and stunning view
- Fabulous gourmet kitchen with Island bench featuring Miele appliances
- Floor to ceiling windows and doors drench home with sunlight all day
- Covered timber deck surrounds the swimming pool overlooking the park
- Four double beds with built-ins plus additional teen retreat/rumpus room
- Master suite with walk-in robe, generous ensuite and views across the bay
- Separate Home Office with custom designed timber desk and work station
- Three deluxe bathrooms include master ensuite plus guest powder room
- Double lock-up garage with internal access, plus ample storage options
- Peacefully located in an enviable position close to harbour and reserves

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Property History for 12 Koowong Ave, Mosman, NSW 2088

A timeline of how this property has performed in the market
Last Sold
$5,650,000
18 Sep 2024
Listed for Rent
$1.20k/w
13 Sep 2008
  • 18 Sep 2024
    Sold for $5,650,000
  • 06 Sep 2023
    Listed for Sale Contact Agent
  • 07 Oct 2016
    Sold for $4,100,000
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About Mosman 2088

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 16,026 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:

  • The median value for Houses in Mosman is $5,684,419 while the median value for Units is $1,458,350.
  • Houses have a median rent of $2,300 while Units have a median rent of $800.
There are currently 72 properties listed for sale, and 38 properties listed for rent in Mosman on OnTheHouse. According to Cotality's data, 660 properties were sold in the past 12 months in Mosman.

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Cotality Copyright and Legal Disclaimers about Property Data

© Copyright 2026. RP Data Pty Ltd trading as Cotality (Cotality). All rights reserved. No reproduction, distribution, or transmission of the copyrighted materials is permitted. The information is deemed reliable but not guaranteed.

Disclaimer
The Cotality Data provided in this publication is of a general nature and should not be construed as specific advice or relied upon in lieu of appropriate professional advice.

While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.

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