18 Harbour Street, Mosman, NSW 2088 | Property Value & History | OnTheHouse
 
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18 Harbour Street
Mosman NSW 2088

Bedrooms: 5
Bathrooms: 2
Car spaces: -
Floor area: 273m2
Land area: 481m2
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Last updated 4 May 2026
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Property Details for 18 Harbour St, Mosman

18 Harbour St, Mosman is a 5 bedroom, 2 bathroom House and was built in 1910. The property has a land size of 481m2 and floor size of 273m2. While the property is not currently for sale or for rent, it was last sold in March 2019.

Building Type
House
Year Built
1910
Floor Size
273m2
Land Size
481m2
Local Government
Mosman
Lot/Plan
29/1/DP1150

Last Listing description (March 2020)

Blending modern ease of living with astutely maintained federation charm, this generous family home offers a haven of comfort and serenity. A flexible floor plan also offers scope to update and expand. Enhanced by manicured gardens, this beautiful home is just a short, level walk to shops, schools and city transport.

- Living, dining and family spaces enhanced by high ceilings and timber flooring

- The 481 sqm block approx is surrounded with landscaped gardens by Barry Jarratt
- A large stone topped kitchen includes Miele gas appliances and walk-in pantry
- Accommodation comprises three generous bedrooms plus a study/home office
- Workshop/studio, alarm connectivity, gas bayonet, air conditioning, fireplaces
- Minutes to Mosman Public School, parks, village shopping, CBD buses

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Property History for 18 Harbour St, Mosman, NSW 2088

A timeline of how this property has performed in the market
Last Sold
$3,300,000
02 Mar 2019
  • 02 Mar 2019
    Sold for $3,300,000
  • 01 Feb 2019
    Listed for Sale Price on request
  • 18 Sep 2018
    Sold
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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 16,023 properties. Over the last 5 years, Houses in Mosman have seen a 9.43% increase in median value, while Units have seen a 21.85% increase. As at 31 March 2026:

  • The median value for Houses in Mosman is $5,336,757 while the median value for Units is $1,451,170.
  • Houses have a median rent of $2,225 while Units have a median rent of $800.
There are currently 69 properties listed for sale, and 35 properties listed for rent in Mosman on OnTheHouse. According to Cotality's data, 656 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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