6/20 William Street, Double Bay, NSW 2028 | Property Value & History | OnTheHouse
OFF MARKET

6/20 William Street
Double Bay NSW 2028

Bedrooms: 2
Bathrooms: 1
Car spaces: 1
Floor area: 68m2
Land area: 68m2
Estimated Value & Rent
Estimated Value
Estimated Rent
Confidence
Last updated 1 Dec 2025
Low

High
Save

Property Details for 6/20 William St, Double Bay

6/20 William St, Double Bay is a 2 bedroom, 1 bathroom Unit with 1 parking spaces and was built in 1930. The property has a land size of 68m2 and floor size of 68m2. While the property is not currently for sale or for rent, it was last sold in August 2024.

Building Type
Unit
Year Built
1930
Floor Size
68m2
Land Size
68m2
Local Government
Woollahra
Lot/Plan
6/SP2866

Last Listing description (October 2024)

Immaculately presented with a seamless blend of period and contemporary features, this wonderful residence provides a superb degree of comfort and functionality. Relax in the expansive open living and dining space, adorned with Art-Deco details, an ornate fireplace and wide bay windows providing an abundance of natural sunlight. Epitomising luxurious design, the stunning kitchen and bathroom are lavishly crafted in opulent Arabescato Marble. The floorplan presents a generous main bedroom, plus a versatile, sunny second bedroom with gorgeous arched windows, with both bedrooms offering built-in robes. Positioned in one of the premier streets of Double Bay, the apartment is just steps from Double Bay Village, Steyne Park and Double Bay beach for an intimate harbour connection. A short stroll will lead you to the ferry wharf and the exceptional dining and retail options in the stylish commercial precinct.

- 'Lansdowne' Art-Deco security block of only 12 residences
- Immersed in privacy & serenity of an exceptional degree

- High ceilings, sturdy build, bay windows frame leafy aspect
- Fully integrated kitchen with a statement Arabescato Marble benchtop
- Bosch compact oven/microwave & gas stovetop, Fisher & Paykel dishwasher
- Marvellous Arabescato Marble bathroom with bathtub & rain shower
- Dark timber floorboards throughout, stunning cast iron fireplace
- Generous-sized main bedroom with custom built-ins
- Versatile second bedroom with elegant arched windows
- Discreet internal laundry, Bosch washing machine & clothes dryer
- Video intercom, common area clothesline, 2sqm approx. storage locker
- Stroll to Double Bay Beach & Redleaf, Steyne Park & ferry wharf
- Walk to marvellous Bay Street & Cross Street dining and New South Head Rd shops

Property History for 6/20 William St, Double Bay, NSW 2028

A timeline of how this property has performed in the market
Last Sold
$1,325,000
30 Aug 2024
Listed for Rent
$950/w
07 Oct 2024
  • 30 Sep 2024
    Listed for Rent $950 / week
  • 30 Aug 2024
    Sold for $1,325,000
  • 12 Aug 2024
    Listed for Sale Auction
Sign in to see more transactions
Commute Calculator

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 3,716 properties. Over the last 5 years, Houses in Double Bay have seen a 61.99% increase in median value, while Units have seen a 30.20% increase. As at 31 October 2025:

  • The median value for Houses in Double Bay is $7,604,934 while the median value for Units is $1,793,266.
  • Houses have a median rent of $1,100 while Units have a median rent of $1,125.
There are currently 6 properties listed for sale, and 5 properties listed for rent in Double bay on OnTheHouse. According to Cotality's data, 145 properties were sold in the past 12 months in Double bay.

Suburb Insights for Double Bay 2028

Market Insights
Double Bay Trends for Houses
Median Value

N/A

-
View Trend
Median Growth

N/A

View Trend
Median Rent

N/A

-
View Trend
Rental Yield

N/A

-
View Trend
Median Value: The middle value of all properties across the geography based on the Automated Valuation Model.


Median Value over 1 year
Double Bay Trends for Units
Median Value

N/A

-
View Trend
Median Growth

N/A

View Trend
Median Rent

N/A

-
View Trend
Rental Yield

N/A

-
View Trend
Median Value: The middle value of all properties across the geography based on the Automated Valuation Model.


Median Value over 1 year
Neighbourhood Insights
Age
Household
Occupancy
No data to show
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.