42/51 William Street, Double Bay, NSW 2028 | Property Value & History | OnTheHouse
OFF MARKET

42/51 William Street
Double Bay NSW 2028

Bedrooms: 3
Bathrooms: 2
Car spaces: 2
Land area: 5173m2
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Property Details for 42/51 William St, Double Bay

42/51 William St, Double Bay is a 3 bedroom, 2 bathroom House with 2 parking spaces and was built in 2001. The property has a land size of 5173m2. While the property is not currently for sale or for rent, it was last sold in October 2020.

Building Type
House
Year Built
2001
Land Size
5173m2
Local Government
Woollahra
Lot/Plan
42/SP64429

Last Listing description (December 2024)

Timeless design, house-like proportions and a sought-after harbourside address combine in this elegant three-bedroom apartment to offer a fantastic lifestyle in the heart of Double Bay village. Gazing across the sprawling Japanese gardens and koi ponds of the luxurious security development 'Montage' (complete in 2000), this sophisticated three-bedroom apartment features:

- 3 double bedrooms with built-ins, 2 marble bathrooms

- Private master with a luxurious oversized en-suite
- Deluxe granite gas kitchen, integrated appliances
- Huge living and dining space flows onto generous entertaining space
- Lift access to double garaging, visitor parking
- Internal laundry, reverse-cycle air-conditioning
- Walk to village life, harbour beaches and the ferry wharf

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Property History for 42/51 William St, Double Bay, NSW 2028

A timeline of how this property has performed in the market
Last Sold
06 Oct 2020
Listed for Rent
$2.20k/w
20 Nov 2024
  • 11 Nov 2024
    Listed for Rent - Price not available
  • 04 Sep 2023
    Listed for Rent - Price not available
  • 06 Oct 2020
    Sold
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About Double Bay 2028

The size of Double Bay is approximately 0.8 square kilometres. It has 6 parks covering nearly 10.0% of total area. The population of Double Bay in 2016 was 4642 people. By 2021 the population was 4709 showing a population growth of 1.4% in the area during that time. The predominant age group in Double Bay is 30-39 years. Households in Double Bay are primarily childless couples and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Double Bay work in a professional occupation.In 2021, 53.10% of the homes in Double Bay were owner-occupied compared with 54.90% in 2016.

Double Bay has 3,724 properties. Over the last 5 years, Houses in Double Bay have seen a 51.33% increase in median value, while Units have seen a 30.38% increase. As at 31 December 2025:

  • The median value for Houses in Double Bay is $7,390,722 while the median value for Units is $1,860,578.
  • Houses have a median rent of $1,300 while Units have a median rent of $1,150.
There are currently 17 properties listed for sale, and 13 properties listed for rent in Double bay on OnTheHouse. According to Cotality's data, 153 properties were sold in the past 12 months in Double bay.

Suburb Insights for Double Bay 2028

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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.