21-23 Ada AvenueWahroonga NSW 2076
Property Details for 21-23 Ada Ave, Wahroonga
21-23 Ada Ave, Wahroonga is a 5 bedroom, 5 bathroom House with 2 parking spaces and was built in 1939. The property has a land size of 7095m2 and floor size of 664m2. While the property is not currently for sale or for rent, it was last sold in January 2026. There are other 5 bedroom House sold in Wahroonga in the last 12 months.
Last Listing description (January 2026)
A Grand Estate of Unparalleled Scale, Luxury and Potential. Set across approx. 7,100sqm (1.75 acres), 2123 Ada Avenue stands as one of the largest and most prestigious landholdings on Sydney's North Shore - a once-in-a-generation opportunity to secure a landmark property that blends grandeur, lifestyle, and future potential. Meticulously renovated throughout by its current owners, this aspirational family estate is a true sanctuary of elegance and scale - complete with lift to all 3 floors, championship north/south tennis court, resort-style pool with pool house, one-bedroom separate residence, horse stables, and manicured park-like gardens.
Property Features:
- 6 oversized bedrooms + dedicated home office
- 4-car lock-up garage + grand port cochere (20+ car off-street parking)
- Multiple formal and informal living spaces throughout
- Designer kitchen (subzero fridges) and butlers pantry to huge outdoor undercover entertaining
- North/south championship sized tennis court
- Sparkling in-ground pool, with separate pool house
- One-bedroom cabana ideal for guests or extended family
- Original horse stables, adding charm and character
- Lush, established gardens with sweeping lawns and mature trees
- Full internal renovation tastefully updated for modern living while preserving timeless architectural charm
- Dual access, excellent privacy and security - backs down the The Glade Oval
- Further development potential for subdivision (STCA)
- Wahroonga's largest landholding within walking distance to rail
- Moments to elite schools including Knox Grammar, Abbotsleigh, Barker College
- Close to Wahroonga village shops, cafes, parks and transport
- Positioned on a peaceful, tree-lined street in one of Sydney's most tightly held enclaves
Rarely does a property of this scale, luxury and location come to market. With its expansive grounds, exquisite renovation, and multi-use potential - this is an estate that elevates family living to a whole new level. Whether you're seeking a forever home, an intergenerational retreat, or the foundation for future development (STCA), 2123 Ada Avenue is a standout in every sense.
Enquire today to arrange a private inspection of this landmark Wahroonga estate.
Disclaimer: the information provided is for general informational purposes only and is not intended as legal, financial, or real estate advice. While every effort is made to ensure the accuracy of the information, we make no guarantees regarding its completeness or accuracy. Prospective parties are encouraged to conduct their own independent investigations. We are not responsible for any liabilities that arise from use of information provided.
Property History for 21-23 Ada Ave, Wahroonga, NSW 2076
- 12 Jan 2026Sold for $18,550,000
- 01 Oct 2025Listed for Sale Sold $18,550,000
- 21 Apr 2011Sold for $3,975,000
Recent sales nearby
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0About Wahroonga 2076
The size of Wahroonga is approximately 9.7 square kilometres. There are 36 parks, covering nearly 13.3% of the total area. The population of Wahroonga in 2016 was 17371 people. By 2021 the population was 17853 showing a population growth of 2.8% in the area during that time. The predominant age group in Wahroonga is 10-19 years. Households in Wahroonga are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Wahroonga work in a professional occupation.In 2021, 78.00% of the homes in Wahroonga were owner-occupied compared with 80.60% in 2016.
Wahroonga has 7,371 properties. Over the last 5 years, Houses in Wahroonga have seen a 10.95% increase in median value, while Units have seen a 22.98% increase. As at 31 May 2026:
- The median value for Houses in Wahroonga is $2,783,191 while the median value for Units is $1,130,612.
- Houses have a median rent of $1,325 while Units have a median rent of $750.
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