22 Williamson Avenue, Seven Hills, NSW 2147 | Property Value & History | OnTheHouse
 
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22 Williamson Avenue
Seven Hills NSW 2147

Bedrooms: 3
Bathrooms: 1
Car spaces: 1
Floor area: 148m2
Land area: 692m2
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Last updated 9 Feb 2026
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Property Details for 22 Williamson Ave, Seven Hills

22 Williamson Ave, Seven Hills is a 3 bedroom, 1 bathroom House with 1 parking spaces and was built in 1960. The property has a land size of 692m2 and floor size of 148m2. While the property is not currently for sale or for rent, it was last sold in June 2021.

Building Type
House
Year Built
1960
Floor Size
148m2
Land Size
692m2
Local Government
Blacktown
Lot/Plan
130/DP16274

Last Listing description (July 2020)

Huge 695.6sqm block in a quiet location in the center of Seven Hills, just minutes' walk to local schools, shops, bus stops and also just a 10 minute walk to Seven Hills station. This sturdy and very well maintained brick home presents 3 generous bedrooms and loads of future potential. Showcasing high ceilings above and timber floors underneath the carpet, modern bathroom, original styled kitchen and a massive family room that branches off the main living area. The yard offers a single lock up garage and plenty of space for a pool or granny flat (subject to council approval). Humble homes of this class are few and far between, call us today on 9831 2622 for more information or to arrange a private inspection.

Century 21 John Ross Combined is your local real estate agent in Seven Hills.

Land size: 695.6sqm

Potential Rent: $400 per week

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Property History for 22 Williamson Ave, Seven Hills, NSW 2147

A timeline of how this property has performed in the market
Last Sold
16 Jun 2021
Listed for Rent
$475/w
16 Oct 2017
  • 16 Jun 2021
    Sold
  • 20 Dec 2017
    Sold
  • 08 Sep 2017
    Listed for Rent $475 / week
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About Seven Hills 2147

The size of Seven Hills is approximately 9.7 square kilometres. It has 35 parks covering nearly 9.4% of total area. The population of Seven Hills in 2016 was 19326 people. By 2021 the population was 20095 showing a population growth of 4.0% in the area during that time. The predominant age group in Seven Hills is 30-39 years. Households in Seven Hills are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Seven Hills work in a professional occupation.In 2021, 62.10% of the homes in Seven Hills were owner-occupied compared with 65.00% in 2016.

Seven Hills has 9,601 properties. Over the last 5 years, Houses in Seven Hills have seen a 65.95% increase in median value, while Units have seen a 20.34% increase. As at 31 January 2026:

  • The median value for Houses in Seven Hills is $1,283,640 while the median value for Units is $749,465.
  • Houses have a median rent of $630 while Units have a median rent of $650.
There are currently 38 properties listed for sale, and 43 properties listed for rent in Seven hills on OnTheHouse. According to Cotality's data, 350 properties were sold in the past 12 months in Seven hills.

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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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