7/51 William St, Double Bay is a 3 bedroom, 2 bathroom Unit with 2 parking spaces and was built in 2001. The property has a land size of 5240m2 and floor size of 141m2. While the property is not currently for sale or for rent, it was last sold in August 2017.
Spanning a generous 168.9sqm, this expansive apartment is found within one of Double Bay s premier Mirvac-designed buildings Montage . Bathed in sunshine, it enjoys a coveted northerly corner position with a lovely leafy outlook. Mere footsteps to the picturesque waterfront, it s a brief level stroll to the cosmopolitan shopping, dining and entertainment of Double Bay village as well as the ferry, making it effortlessly convenient. Set amid tranquil landscaped grounds that meander through the building, it presents the ultimate sanctuary for downsizers and executives.
-Spacious main suite with balcony, bath, WIR
-Generous L-shaped living and dining space
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 3,722 properties. Over the last 5 years, Houses in Double Bay have seen a 51.33% increase in median value, while Units have seen a 30.38% increase. As at 31 December 2025:
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