21 Blackshaw Avenue, Mortdale, NSW 2223

bedrooms 6
bathrooms 3
parkingSpaces 2
|House
For Sale | Contact Agent
For Sale | Contact Agent
Published on: 20 Aug 2026
Last updated on: 07 Oct 2026
21 Blackshaw Avenue, Mortdale, NSW 2223
21 Blackshaw Avenue, Mortdale, NSW 2223
21 Blackshaw Avenue, Mortdale, NSW 2223
+15
21 Blackshaw Avenue, Mortdale, NSW 2223
  • 15
  • 1
Property ID: 152076992
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Exceptional Residence on 765sqm with Duplex Potential (STCA)

21 Blackshaw Avenue, Mortdale, NSW 2223
Situated in a highly sought-after pocket of Mortdale, this remarkable six-bedroom, three-bathroom residence presents an exceptional opportunity for families, investors and developers alike. Set on approximately 765sqm with an impressive 15.24m frontage, the property offers generous living spaces, an expansive backyard and excellent versatility for a range of lifestyles.

Ideal for large or multigenerational families, the home features a fully self-contained second-floor unit, providing a comfortable space for extended family or the potential for additional rental income. The substantial block also presents exciting future possibilities, including the potential for a duplex development (STCA).

Combining timeless character with modern comforts, the property offers ample space for entertaining, relaxing and storage, complemented by a double-car garage and additional off-street parking.

Property Highlights:
• Neatly landscaped front garden and inviting porch leading into a spacious hallway
• Three well-appointed ground-floor bedrooms, two featuring built-in wardrobes and large windows providing excellent natural light
• Beautiful engineered Spotted Gum hardwood flooring throughout the ground floor
• Character features including ornate ceilings, picture rails, decorative cornices and feature lighting
• Spacious main lounge room with decorative ceilings and cornices
• Separate dining area with large windows and abundant natural light
• Well-sized, fully tiled main bathroom with built-in vanity and large shower
• Recently updated, spacious kitchen featuring a Westinghouse electric cooktop and oven, double sink with water filter, generous bench space and ample pantry storage
• Ducted and zoned reverse-cycle air conditioning servicing both upstairs and downstairs, with separate controls and floor vents for enhanced downstairs comfort
• Beautifully designed outdoor entertaining deck with decorative privacy screens
• External laundry with additional storage, shower and toilet
• Expansive, level grassed backyard offering plenty of space for children, pets and entertaining
• Double-car garage with additional off-street parking and ample space for vehicle, boat or storage needs
• Convenient location close to schools, shopping centres, local amenities and public transport
• Large 765sqm approximately block with a wide 15.24m frontage
• Potential for duplex development (STCA)

Offering an outstanding combination of space, character, versatility and future potential, this substantial Mortdale property is an opportunity not to be missed.

Disclaimer: All information contained herein is gathered from sources we believe reliable. We have no reason to doubt its accuracy; however, we cannot guarantee it. All interested parties should make and rely upon their own inquiries.

Property Details

Basic Info

Property Type
House
Listing Status
On Market
Parking Spaces
2
Land Size
765.00 m2
Rooms
6 bedroom(s), 3 bathroom(s)
Address
21 Blackshaw Avenue, Mortdale, NSW 2223

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(Tina) Xun Sun
(Tina) Xun Sun
(Allen) Lijing Yan
(Allen) Lijing Yan
Ray White - Hurstville
3/182 Forest Road, Hurstville, NSW 2220
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(Tina) Xun Sun
(Tina) Xun Sun
(Allen) Lijing Yan
(Allen) Lijing Yan
3/182 Forest Road, Hurstville, NSW 2220
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      Property ID: 152076992

      Original Property ID: 152076992
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