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Back 6 Kirkoswald Avenue
Off Market

6 Kirkoswald Avenue

Mosman NSW 2088

4
3
2
House
Marize BellomoMarize Bellomo, last sold this property on 14 October 2025 after 390 days on market.

Overview

Exclusive Residence in Mosman's Prestigious 'Golden Triangle'

Offering an incredible opportunity to secure this family home, first time offered in fourteen years. Exclusively positioned within Mosman's prestigious Golden Triangle on Balmoral slopes, only moments to Balmoral and Chinamans Beaches, this family home offers timeless elegance with contemporary features and is an exceptionally solid residence of double brick throughout. Beautifully proportioned interiors flow seamlessly between formal and informal living spaces, framed by Carrara marble floors and full height glazing that bathe the home in natural light. The gourmet kitchen, appointed with Miele appliances, Caesarstone surfaces and adjoining laundry with additional storage, anchoring the heart of the home. Living areas extend seamlessly to a sunlit, undercover, alfresco entertaining area overlooking established and low maintenance gardens and sparkling pool with retractable awning and solar heating, creating the idyllic setting for year-round entertaining. Every detail has been curated for effortless, from reverse-cycle air conditioning and retractable blinds to solar panels and security shutters. This residence offers an array of living areas, including a media room/fourth bedroom, sunroom, kitchenette upstairs, while the master suite indulges with a walk-in robe, ensuite and private retreat or home office. - Classic double-brick construction, embraced by established gardens and complete privacy - Designer kitchen with Miele appliances, induction cooktop, wall oven and an abundance of storage - Guest bathroom on entrance level adjoining media room or ideal fourth bedroom - Built in robes to both bedroom upstairs, plus an abundance of roof storage in second bedroom, spacious bathroom with separate bath - Expansive interiors finished with Carrara marble and wonderful natural light - Solar-heated swimming pool with retractable awning, alfresco entertaining area with remote awnings - Several living areas including media room, sunroom and kitchenette upstairs - Generous master suite with walk-in robe, ensuite and sunroom retreat or home office, direct access to terrace with district outlook and water vistas of Middle Harbour and Balmoral - Wonderful double garage with level internal access, extensive storage and four rainwater tanks that hold approximately 18,000L of water - Land size, 414 square meters Offering complete privacy and set amid mature, manicured hedging on a tranquil tree-lined street, this residence is moments from foreshore walks, Mosman Village, Bridgepoint and direct transport to the CBD is literally at your front door. The ideal lock up and leave family home within a highly desirable and exclusive location on Balmoral. This is an opportunity not to be missed. This could be your next home.

Features

4 bedrooms
3 bathrooms
2 carspaces
2 open car spaces
House

Estimated Value

Based on this property and similar 4 bedroom houses sold in Mosman over the last 12 months, the estimated median property value of 6 Kirkoswald Avenue is $5.6m.

Median value
$5.6m
Estimated value range
$3.33m - $23m
Median days on market
35
Estimated value trend
-3%
decrease over the last 12 months
Average days on market is based on recent, comparable sales in Mosman. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 6 Kirkoswald Avenue

2025
Sold
Undisclosed
Private Sale/Treaty on 14 Oct 2025 by Marize Bellomo, of Stone Mosman
2011
Sold
Undisclosed
Private Sale/Treaty on 02 Dec 2011 by Dino Gatti, of The Agency – Lower North Shore

Happy sellers in Mosman

77%
77% of sellers in Mosman reported that their sale price either exceeded or met their price expectations.

Mosman stands out for consistently delivering exceptional satisfaction and strong market results for homeowners.

This is based on voluntary sentiment collected from 145 reviews in Mosman over the last 12 months.

Local market activity for 4 bedroom houses in Mosman

In the last 12 months, 67 four-bedroom houses similar to 6 Kirkoswald Avenue, have been sold.

This represents a 27% increase in four-bedroom houses sales when compared to the previous 12 months.

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Mosman

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David Murphy

Sellers who recommend David Murphy have praised them for being clear communication, local expert, honest, supportive, responsive, reliable and trustworthy

  •   4.9   (966 reviews)
  •  65 Reviews in Mosman
  •  52 Sales in Mosman
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Kirsty Freyer

Kirsty Freyer is a recommended agent for Mosman.  They have 14 local sales and collected 16 local reviews across the last 12 months.

  •   4.9   (125 reviews)
  •  16 Reviews in Mosman
  •  14 Sales in Mosman
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Richard Simeon

Sellers who recommend Richard Simeon have praised them for being local expert, clear communication, strategic, reliable, dedicated, honest and great negotiation

  •   5   (114 reviews)
  •  9 Reviews in Mosman
  •  8 Sales in Mosman
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Andrew Bowden

Sellers who recommend Andrew Bowden have praised them for being clear communication, local expert, responsive, honest, reliable, supportive and friendly

  •   5   (142 reviews)
  •  18 Reviews in Mosman
  •  10 Sales in Mosman
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