5/21 Mosman Street, Mosman, NSW 2088 sold on 10 April 2026 | OnTheHouse
SOLD
Sold on 10 Apr 2026 for $1,800,000

5/21 Mosman Street
Mosman NSW 2088

Bedrooms: 3
Bathrooms: 1
Car spaces: 1
Floor area: 107m2
Land area: 519m2
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Property Details for 5/21 Mosman St, Mosman

5/21 Mosman St, Mosman is a 3 bedroom, 1 bathroom Unit with 1 parking spaces and was built in 1930. The property has a land size of 519m2 and floor size of 107m2. While the property is not currently for sale or for rent, it was last sold in April 2026. There are other 3 bedroom Unit sold in Mosman in the last 12 months.

Building Type
Unit
Year Built
1930
Floor Size
107m2
Land Size
519m2
Local Government
Mosman
Lot/Plan
5/SP13266

Last Listing description (April 2026)

On the top floor of 'Windemere' this substantial (105sqm) semi-like apartment captures the essence of old-world glamour in a location that is highly aspirational. One of only 6 in this superb Art-Deco block, it extends across half a floor, with windows on three sides and sparkling Mosman Bay, North Sydney and Bridge views from its front.
Well presented interiors benefit from high ceilings and excellent scale, highlighted in the large loungeroom, the separate dining room and the king-sized master with an adjoining study/3rd bedroom.
Secure an outstanding slice of Mosman with excellent potential to add value, a stroll to the bus, Mosman Bay ferry wharf, Reid Park, close to Avenue Road and Village shops.

* Boutique block of just 6, solid full brick construction
* Art Deco charm, refreshed interiors with high ornate ceilings
* Expansive formal loungeroom
* Separate dining room
* Neat and tidy gas kitchen
* Rear balcony with access to the common garden area
* Substantial master suite with robes and superb vistas
* Adjoining large study room/3rd bedroom with robes and bay views
* Modern bathroom
* Lock up garage (15sqm) plus extra car space in front

Property History for 5/21 Mosman St, Mosman, NSW 2088

A timeline of how this property has performed in the market
Last Sold
$1,800,000
10 Apr 2026
Listed for Rent
$700/w
09 Feb 2021
  • 10 Apr 2026
    Sold for $1,800,000
  • 06 Mar 2026
    Listed for Sale Sold $1,800,000
  • 19 Feb 2020
    Listed for Rent $495 / week
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About Mosman 2088

The size of Mosman is approximately 8.7 square kilometres. There are 45 parks, covering nearly 29.6% of the 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 16,021 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 70 properties listed for sale, and 39 properties listed for rent in Mosman on OnTheHouse. According to Cotality's data, 635 properties were sold in the past 12 months in Mosman.

Suburb Insights for Mosman 2088

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Cotality Copyright and Legal Disclaimers about Property Data
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.