15 Alexander Avenue, Mosman, NSW 2088 | Property Value & History | OnTheHouse
 
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15 Alexander Avenue
Mosman NSW 2088

Bedrooms: 4
Bathrooms: 3
Car spaces: 2
Floor area: 296m2
Land area: 490m2
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Last updated 26 Jan 2026
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Property Details for 15 Alexander Ave, Mosman

15 Alexander Ave, Mosman is a 4 bedroom, 3 bathroom House with 2 parking spaces and was built in 1920. The property has a land size of 490m2 and floor size of 296m2. While the property is not currently for sale or for rent, it was last sold in November 2021.

Building Type
House
Year Built
1920
Floor Size
296m2
Land Size
490m2
Local Government
Mosman
Lot/Plan
5/DP4289

Last Listing description (August 2022)

Few homes cater to growing families and downsizers alike. A flawless synthesis of elegant character features and quality architectural extensions have transformed this c1910 house into a home perfect for every stage of life.

The intelligently crafted floorplan offers versatility, functionality, and separation for modern intergenerational living. The 2 storey void and the north-facing alfresco provide seamless indoor-outdoor entertaining in a relaxed sunlit contemporary space.

Brilliantly positioned, it is close to Balmoral Beach and a gentle stroll to Mosman Village, Georges Heights, Rawson tennis, shops, cafes, stunning harbourside bushwalks, and Lower North Shore Schools.

- Perfectly located, minutes walk to Tennis, Rawson Oval, Village & Beach
- Character features meet contemporary design
- Family living has double void ceilings, opens to alfresco, gardens, pool
- Perfectly designed indoor-outdoor living and changing family life stages
- Formal and informal living, plus rumpus room with two feature fireplaces
- Five beds, three ensuites, full-floor master retreat with 5-star inclusions & spa
- Original sandstone has been remastered into feature walls and fireplace
- Ceiling roses, coloured leadlight windows, soaring ceilings, wide foyer
- Zoned ducted air conditioning, plantation shutters, large wine cellar
- EV car charger, solar heated pool and Sonos throughout the home

Disclaimer: All information contained herewith, including but not limited to the general property description, price and the address, is provided to Belle Property by third parties. We have obtained this information from sources we believe to be reliable; however, we cannot guarantee its accuracy. The information contained herewith should not be relied upon and you should make your own enquiries and seek advice in respect of this property or any property on this website.

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Property History for 15 Alexander Ave, Mosman, NSW 2088

A timeline of how this property has performed in the market
Last Sold
$7,300,000
12 Nov 2021
Listed for Rent
$3.50k/w
29 Dec 2012
  • 03 Aug 2022
    Listed for Sale Auction
  • 12 Nov 2021
    Sold for $7,300,000
  • 01 Oct 2021
    Listed for Sale Auction
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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 15,996 properties. Over the last 5 years, Houses in Mosman have seen a 30.04% increase in median value, while Units have seen a 37.05% increase. As at 31 December 2025:

  • The median value for Houses in Mosman is $5,876,830 while the median value for Units is $1,510,797.
  • Houses have a median rent of $1,800 while Units have a median rent of $800.
There are currently 58 properties listed for sale, and 48 properties listed for rent in Mosman on OnTheHouse. According to Cotality's data, 649 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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