3 A/2 Knox St, Double Bay NSW 2028
Double Bay Unit
Technical details
How this sale compares
Sold for $4,950,000 in Sep 2026, up $450,000 (10%) on the $4,500,000 paid in Jun 2020. That is about 1.5% a year over 6.2 years.
Over the same period the median unit price in Double Bay rose 43%, from $1,542,500 in 2020 to $2,200,000 in 2026.
The 2026 sale was 125% above the Double Bay median unit price for that year ($2,200,000 across 42 sales).
Double Bay medians use NSW Valuer General sales of $50,000 or more, leaving out part-interest transfers and contracts covering several properties, and need at least 10 sales in the period. See Double Bay sold prices by year.
Rent and yield
Units in postcode 2028 rented for a median $1,050 a week, from 331 bonds lodged Oct 2025 to Sep 2026.
On its last sale of $4,950,000 on 15 Sep 2026, that rent is a gross yield of 1.1% a year, before costs and vacancies.
Median weekly rents from residential rental bonds lodged with NSW Fair Trading, by postcode. This home's own rent may differ. See rents by bedrooms in Double Bay.
Planning controls
- Zone
- E1 Local Centre
- Maximum building height
- 18.1 m
- Floor space ratio
- 2.5:1 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 2 Nov 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
Sale history
Sold is the contract date, when the sale was agreed. Settled is the date ownership transferred.
| Beds | Baths | Cars | Title reference | |||
|---|---|---|---|---|---|---|
| 15 Sep 2026 | 20 Oct 2026 | $4,950,000 | - | - | - | 1/SP82068 |
| 25 Jun 2020 | 17 Sep 2020 | $4,500,000 | - | - | - | 1/SP82068 |
| 23 May 2018 | 27 Jul 2018 | $3,450,000 | - | - | - | 1/SP82068 |
| 3 Nov 2016 | 5 Jun 2017 | $3,550,000 | - | - | - | 1/SP82068 |
| 17 Jun 2015 | 30 Nov 2015 | $2,933,000 | - | - | - | 1/SP82068 |
$4,950,000 Sold 15 Sep 2026
Settled20 Oct 2026
Beds-
Baths-
Cars-
Title reference: 1/SP82068
$4,500,000 Sold 25 Jun 2020
Settled17 Sep 2020
Beds-
Baths-
Cars-
Title reference: 1/SP82068
$3,450,000 Sold 23 May 2018
Settled27 Jul 2018
Beds-
Baths-
Cars-
Title reference: 1/SP82068
$3,550,000 Sold 3 Nov 2016
Settled5 Jun 2017
Beds-
Baths-
Cars-
Title reference: 1/SP82068
$2,933,000 Sold 17 Jun 2015
Settled30 Nov 2015
Beds-
Baths-
Cars-
Title reference: 1/SP82068
Other sales at 2 Knox St
The most recent sales of other units in this building. See every sale in the building.
| Beds | Baths | Cars | Title reference | ||||
|---|---|---|---|---|---|---|---|
| 5 G | 6 Jun 2025 | 5 Aug 2025 | $9,400,000 | - | - | - | 11/SP82068 |
| 6 E | 10 May 2025 | 27 Jun 2025 | $9,250,000 | - | - | - | 18/SP82068 |
| 7 F | 11 Apr 2025 | 23 May 2025 | $10,000,000 | - | - | - | 28/SP82068 |
| 6 G | 3 Dec 2024 | 15 May 2025 | $9,500,000 | - | - | - | 20/SP82068 |
| 34 | 12 Mar 2024 | 23 Apr 2024 | $11,400,000Contract for 2 properties. The price is the contract total. | - | - | - | 34/SP82068 |
| 7 D | 12 Mar 2024 | 23 Apr 2024 | $11,400,000Contract for 2 properties. The price is the contract total. | - | - | - | 26/SP82068 |
| 5 I | 23 Feb 2024 | 5 Apr 2024 | $4,400,000 | - | - | - | 13/SP82068 |
| 5 F | 29 Nov 2023 | 12 Jan 2024 | $4,330,000 | - | - | - | 10/SP82068 |
| 3 B | 6 Jun 2023 | 8 Aug 2023 | $6,500,000 | - | - | - | 2/SP82068 |
| 6 B | 16 Aug 2022 | 27 Sep 2022 | $8,300,000 | - | - | - | 15/SP82068 |
$9,400,000 Sold 6 Jun 2025
Title reference: 11/SP82068
$9,250,000 Sold 10 May 2025
Title reference: 18/SP82068
$10,000,000 Sold 11 Apr 2025
Title reference: 28/SP82068
$9,500,000 Sold 3 Dec 2024
Title reference: 20/SP82068
$11,400,000 Sold 12 Mar 2024
Contract for 2 properties. The price is the contract total.
Title reference: 34/SP82068
$11,400,000 Sold 12 Mar 2024
Contract for 2 properties. The price is the contract total.
Title reference: 26/SP82068
$4,400,000 Sold 23 Feb 2024
Title reference: 13/SP82068
$4,330,000 Sold 29 Nov 2023
Title reference: 10/SP82068
$6,500,000 Sold 6 Jun 2023
Title reference: 2/SP82068
$8,300,000 Sold 16 Aug 2022
Title reference: 15/SP82068
Recent sales on Knox St
Sold in the last two years.
- 12/17 Knox St, Double Bay 2028 $1,045,000 sold 21 Aug 2026
- 3/5 Knox St, Double Bay 2028 $2,475,000 sold 17 Dec 2025
Recent sales nearby
Sold in the last 12 months within about 400 metres.
- 8/9 Guilfoyle Ave, Double Bay 2028 $1,166,666 sold 9 Oct 2026
- 9/347 Edgecliff Rd, Edgecliff 2027 $1,160,000 sold 14 Sep 2026
- 23/337 New South Head Rd, Double Bay 2028 $2,490,000 sold 5 Sep 2026
- 3/123 Ocean St, Edgecliff 2027 $1,300,000 sold 26 Aug 2026
- 5/28 William St, Double Bay 2028 $1,860,000 sold 7 Aug 2026
- 7/2 Marathon Rd, Darling Point 2027 $1,910,000 sold 4 Aug 2026
- 10/30 William St, Double Bay 2028 $1,600,000 sold 31 Jul 2026
- 10/260 New South Head Rd, Double Bay 2028 $2,300,000 sold 20 Jul 2026