3/48 William St, Double Bay is a 2 bedroom, 1 bathroom Apartment. The property has a floor size of 78m2. While the property is not currently for sale or for rent, it was last sold in December 2025. There are other 2 bedroom Apartment sold in Double Bay in the last 12 months.
Tucked behind leafy surrounds, this sun-filled Art Deco apartment delivers rare privacy and effortless charm in a boutique block of nine. Pared-back interiors, soaring ceilings and white-washed timber floors create an inviting sense of calm, while its tranquil entry level position make this the only apartment which offers direct access to the beautifully established garden (approx. 25sqm). Set in the heart of Double Bay, you're just one street from the harbour foreshore and sandy beach, with an easy stroll to acclaimed waterfront dining, the ferry wharf and Double Bay's vibrant village scene.
- Entry from Pearce Street
- Boutique Art Deco strata security building of just 9
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 3,719 properties. Over the last 5 years, Houses in Double Bay have seen a 50.28% increase in median value, while Units have seen a 30.38% increase. As at 30 November 2025:
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