31/51 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 5173m2 and floor size of 141m2. While the property is not currently for sale or for rent, it was last sold in October 2014.
Elegantly presented with the emphasis on relaxing and entertaining with minimal upkeep, this luxurious garden apartment offers approx 213sqm of indoor/outdoor living. With all major rooms opening out to a large sunny private terrace-garden, it's quietly set well back and hidden from the road. Features include secure level access via magnificent gardens with Japanese pond or via level lift access from double garage and store room. The apartment offers large open living/dining areas, granite Miele gas kitchen with breakfast area, master with walk-in robe, marble ensuite. Exclusively located in a Mirvac-built boutique security complex with full time caretaker and shops, cafes, beach and City ferry nearby, this prized garden apartment feels like a house.
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 3,713 properties. Over the last 5 years, Houses in Double Bay have seen a 33.64% increase in median value, while Units have seen a 8.46% increase. As at 31 May 2026:
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