7E/8 Knox Street, Double Bay, NSW 2028 | Property Value & History | OnTheHouse
OFF MARKET

7E/8 Knox Street
Double Bay NSW 2028

Bedrooms: 2
Bathrooms: 2
Car spaces: 1
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Last updated 21 Sep 2026
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Property Details for 7e/8 Knox St, Double Bay

7e/8 Knox St, Double Bay is a 2 bedroom, 2 bathroom Unit with 1 parking spaces.

Building Type
Unit
Local Government
Woollahra

Last Listing description (March 2022)

bed 2 | bath 2.5 | car 1

A lavish entertainer of sophistication, grandeur and scale, this ultra-elegant apartment unveils a truly exquisite lifestyle perfect for downsizers. Set in the iconic “Cosmopolitan” complex brimming with unparalleled opulence and no expense spared, the executive oasis showcases expansive views to both Bellevue Hill and Darling Point and is enhanced by light filled interiors, a house-like design and effusive appointments throughout. It boasts blissful privacy as one of only three apartments on the entire floor.

Impeccably designed to enjoy maximum natural light, the Northerly aspect from every room offering an ultra-generous sense of space and airiness throughout. High ceiling hallway with glass skylights provides blue sky in the day and stars at night. The oversized sanctuary is complemented by three outdoor zones, the main providing a stunning alfresco dining and exceptional indoor/outdoor entertaining. Superb inclusions are the integrated wine fridge, ducted air conditioning, remote controlled awning and timber joinery. Boutique shopping directly underneath the haven adds the finishing touches to this first-class offering.

+ Wide open plan living and dining zone with storage/large study nook
+ Contemporary kitchen has a gas cooktop, Miele appliances, wine fridge
+ Two supremely private double bedrooms, each with their own verandah
+ Huge master retreat boasts walk in wardrobes, ensuite and harbour glimpses
+ 2.5 marble bathrooms, main features separate tub, walk-in shower, skylight
+ Glass doors open to generous terrace for sublime alfresco entertaining
+ Solid build, house-like, multiple skylights throughout, wide oak floorboards
+ Oversized common areas, C-Bus, security and daytime building manager

A truly once-in-a-lifetime opportunity to live in a modern Double Bay penthouse, the abode presents a sumptuous fusion of style and glamour, setting a new benchmark for luxury excellence and superior convenience in a prestigious locale.

Property History for 7e/8 Knox St, Double Bay, NSW 2028

A timeline of how this property has performed in the market
  • 03 Mar 2022
    Listed for Sale For Sale - Contact Agent
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About Double Bay 2028

The size of Double Bay is approximately 0.8 square kilometres. There are 6 parks, covering nearly 10.0% of the 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 3,793 properties. Over the last 5 years, Houses in Double Bay have seen a 9.85% increase in median value, while Units have seen a -2.50% decrease. As at 31 August 2026:

  • The median value for Houses in Double Bay is $6,881,283 while the median value for Units is $1,797,043.
  • Houses have a median rent of $2,795 while Units have a median rent of $1,100.
There are currently 12 properties listed for sale, and 30 properties listed for rent in Double bay on OnTheHouse. According to Cotality's data, 128 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.