20 William Street, Double Bay, NSW 2028 | Property Value & History | OnTheHouse
OFF MARKET

20 William Street
Double Bay NSW 2028

Bedrooms: 2
Bathrooms: 1
Car spaces: -
Land area: 660m2
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Property Details for 20 William St, Double Bay

20 William St, Double Bay is a 2 bedroom, 1 bathroom Unit. The property has a land size of 660m2.

Building Type
Unit
Land Size
660m2
Local Government
Woollahra
Lot/Plan
CP/SP2866

Last Listing description (May 2023)

Positioned in a beautiful tree-lined locale, this delightful Art Deco apartment offers style, convenience and loads of space.

Located just moments to the best of Double Bay's restaurants, cafes, wine bars, boutiques and stunning Sydney Harbour, this oversized one bedroom apartment presents the ultimate lifestyle choice.

Features include:

- Light and airy bedroom with built-in wardrobe
- Large living area with a bay window and ornate fireplace
- Stylish kitchen with gas cooktop & oven, breakfast bar
- Sunny dining alcove with polished timber floors
- Floor to ceiling tiled bathroom with internal laundry
- High ceilings throughout plus provision for gas heating
- Well maintained security building
- Public transport at your door and walking distance to Edgecliff Train Station
- Unlimited street parking with a residential parking permit

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Property History for 20 William St, Double Bay, NSW 2028

A timeline of how this property has performed in the market
Listed for Rent
$700/w
17 Apr 2023
  • 28 Feb 2023
    Listed for Rent $700 / week
  • 23 Feb 2022
    Listed for Rent - Price not available
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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 3,720 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 9 properties listed for sale, and 9 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.