28 William St, Double Bay NSW 2028
Technical details
Planning controls
- Zone
- R3 Medium Density Residential
- Minimum lot size
- 700 m² For subdividing the whole site, not one unit
- Maximum building height
- 10.5 m
- Floor space ratio
- 1:1 Floor area allowed for each square metre of site
From the Woollahra Local Environmental Plan 2014 maps on the NSW Planning Portal, looked up at this address's map point on 22 Oct 2026. A control can cover only part of a site and plans change, so the council's planning certificate is the formal record. Planning data from the NSW Department of Planning, Housing and Infrastructure, CC BY 4.0.
Related sales
Sales at 28 William St
Sold is the contract date, when the sale was agreed. Settled is the date ownership transferred.
Every recorded sale in the building. Select a unit number to see that unit's sale history.
| Beds | Baths | Cars | Title reference | ||||
|---|---|---|---|---|---|---|---|
| 5 | 7 Aug 2026 | 10 Aug 2026 | $1,860,000 | - | - | - | 5/SP3698 |
| 5 | 6 Aug 2021 | 1 Oct 2021 | $1,975,000 | - | - | - | 5/SP3698 |
| 7 | 13 Aug 2021 | 1 Oct 2021 | $1,700,000 | - | - | - | 7/SP3698 |
| 7 | 17 Oct 2018 | 9 Nov 2018 | $1,025,000 | - | - | - | 7/SP3698 |
| 4 | 22 Sep 2018 | 1 Nov 2018 | $960,000 | - | - | - | 4/SP3698 |
| 11 | 28 Jun 2017 | 28 Jun 2017 | $1,000,000 | - | - | - | 11/SP3698 |
| 12 | 15 Mar 2017 | 27 Apr 2017 | $1,355,000 | - | - | - | 12/SP3698 |
Title reference: 5/SP3698
Title reference: 5/SP3698
Title reference: 7/SP3698
Title reference: 7/SP3698
Title reference: 4/SP3698
Title reference: 11/SP3698
Title reference: 12/SP3698
Recent sales on William St
Sold in the last two years.
- 10/30 William St, Double Bay 2028 $1,600,000 sold 31 Jul 2026
- 43 William Street, Double Bay 2028 $15,000,000 sold 18 Dec 2025, 790 m²
- 3/48 William Street, Double Bay 2028 $1,850,000 sold 12 Dec 2025
- 13/51 William Street, Double Bay 2028 $4,001,000 sold 17 Nov 2025
- 6/10 William Street, Double Bay 2028 $2,200,000 sold 14 Nov 2025
- 4/55 William Street, Double Bay 2028 $2,830,000 sold 31 Oct 2025
- 3/55 William Street, Double Bay 2028 $2,830,000 sold 31 Oct 2025
- 2/55 William Street, Double Bay 2028 $2,830,000 sold 31 Oct 2025
Recent sales nearby
Sold in the last 12 months within about 400 metres.
- 5/36 B Fairfax Rd, Bellevue Hill 2023 $552,500 sold 1 Sep 2026
- 12/17 Knox St, Double Bay 2028 $1,045,000 sold 21 Aug 2026
- 2/499 New South Head Rd, Double Bay 2028 $1,240,000 sold 17 Jul 2026
- 4/290 New South Head Rd, Double Bay 2028 $1,310,000 sold 13 Jun 2026
- 501/34 Cross St, Double Bay 2028 $14,250,000 sold 30 May 2026
- 45/177 Bellevue Rd, Bellevue Hill 2023 $1,400,000 sold 26 May 2026
- 5 Kulgoa Rd, Bellevue Hill 2023 $8,475,000 sold 21 May 2026, 566 m²
- 14/490 New South Head Rd, Double Bay 2028 $1,610,000 sold 20 May 2026