55 William Street, Blacktown, NSW 2148 | Property Value & History | OnTheHouse
OFF MARKET

55 William Street
Blacktown NSW 2148

Bedrooms: 3
Bathrooms: 1
Car spaces: 2
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Last updated 19 Jan 2026
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Property Details for 55 William St, Blacktown

55 William St, Blacktown is a 3 bedroom, 1 bathroom Unit with 2 parking spaces and was built in 1950. While the property is not currently for sale or for rent, it was last sold in August 2018.

Building Type
Unit
Year Built
1950
Local Government
Blacktown
Lot/Plan
37/B/DP18856

Last Listing description (June 2023)

Application Approved!

This beautiful three bedroom house is all set to impress you with the excellent location and safety of no through traffic.

Characteristics include:

* This is a brilliant base for a family to move in somewhere that's neat and tidy.

* Kitchen and dining area
* Open Lounge
* Pergola
* Separate Laundry
* Fans everywhere as summer is approaching.
* It has a fantastic backyard and space to be with your family in a more than comfortable place in today's busy and hectic life style.
* Perhaps take advantage of the side access to the rear yard.
* A Granny Flat at the back of the property
An amazing opportunity not to be missed at all !!

Property History for 55 William St, Blacktown, NSW 2148

A timeline of how this property has performed in the market
Last Sold
$625,000
25 Aug 2018
  • 19 Jun 2023
    Listed for Rent $395 WEEKLY
  • 12 Dec 2022
    Listed for Rent - Price not available
  • 14 Feb 2022
    Listed for Rent - Price not available
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About Blacktown 2148

The size of Blacktown is approximately 15.9 square kilometres. It has 72 parks covering nearly 6.8% of total area. The population of Blacktown in 2016 was 47176 people. By 2021 the population was 50961 showing a population growth of 8.0% in the area during that time. The predominant age group in Blacktown is 30-39 years. Households in Blacktown are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Blacktown work in a professional occupation.In 2021, 53.50% of the homes in Blacktown were owner-occupied compared with 56.10% in 2016.

Blacktown has 22,922 properties. Over the last 5 years, Houses in Blacktown have seen a 63.20% increase in median value, while Units have seen a 24.00% increase. As at 31 December 2025:

  • The median value for Houses in Blacktown is $1,163,540 while the median value for Units is $590,625.
  • Houses have a median rent of $615 while Units have a median rent of $565.
There are currently 138 properties listed for sale, and 113 properties listed for rent in Blacktown on OnTheHouse. According to Cotality's data, 966 properties were sold in the past 12 months in Blacktown.

Suburb Insights for Blacktown 2148

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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.