4/40 Cassia St, Dee Why NSW 2099
Dee Why Unit
Technical details
How this sale compares
Sold for $1,120,000 in Jul 2026, up $40,000 (4%) on the $1,080,000 paid in Apr 2022. That is about 0.9% a year over 4.3 years.
Over the same period the median unit price in Dee Why rose 10%, from $930,000 in 2022 to $1,027,500 in 2026.
The 2026 sale was 9% above the Dee Why median unit price for that year ($1,027,500 across 350 sales).
Dee Why 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 Dee Why sold prices by year.
Rent and yield
Units in postcode 2099 rented for a median $800 a week, from 1,282 bonds lodged Oct 2025 to Sep 2026.
On its last sale of $1,120,000 on 14 Jul 2026, that rent is a gross yield of 3.7% 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 Dee Why.
Planning controls
- Zone
- R3 Medium Density Residential
- Maximum building height
- 11 m
From the Warringah Local Environmental Plan 2011 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
Sale history
Sold is the contract date, when the sale was agreed. Settled is the date ownership transferred.
| Beds | Baths | Cars | Title reference | |||
|---|---|---|---|---|---|---|
| 14 Jul 2026 | 31 Aug 2026 | $1,120,000 | - | - | - | 4/SP7182 |
| 7 Apr 2022 | 19 May 2022 | $1,080,000 | - | - | - | 4/SP7182 |
$1,120,000 Sold 14 Jul 2026
Settled31 Aug 2026
Beds-
Baths-
Cars-
Title reference: 4/SP7182
$1,080,000 Sold 7 Apr 2022
Settled19 May 2022
Beds-
Baths-
Cars-
Title reference: 4/SP7182
Other sales at 40 Cassia St
The most recent sales of other units in this building. See every sale in the building.
| Beds | Baths | Cars | Title reference | ||||
|---|---|---|---|---|---|---|---|
| 8 | 17 Aug 2024 | 30 Sep 2024 | $1,080,000 | - | - | - | 8/SP7182 |
| 5 | 1 Aug 2024 | 12 Sep 2024 | $1,050,000 | - | - | - | 5/SP7182 |
| 2 | 1 Aug 2023 | 12 Sep 2023 | $1,040,000 | - | - | - | 2/SP7182 |
| 3 | 21 Jul 2023 | 1 Sep 2023 | $950,000 | - | - | - | 3/SP7182 |
| 7 | 3 Apr 2019 | 14 May 2019 | $737,500 | - | - | - | 7/SP7182 |
| 2 | 24 Mar 2016 | 5 May 2016 | $680,500 | - | - | - | 2/SP7182 |
$1,080,000 Sold 17 Aug 2024
Title reference: 8/SP7182
$1,050,000 Sold 1 Aug 2024
Title reference: 5/SP7182
$1,040,000 Sold 1 Aug 2023
Title reference: 2/SP7182
$950,000 Sold 21 Jul 2023
Title reference: 3/SP7182
$737,500 Sold 3 Apr 2019
Title reference: 7/SP7182
$680,500 Sold 24 Mar 2016
Title reference: 2/SP7182
Recent sales on Cassia St
Sold in the last two years.
- 7/20 Cassia St, Dee Why 2099 $1,375,000 sold 16 Mar 2026
- 3/44 Cassia St, Dee Why 2099 $935,000 sold 25 Feb 2026
- 8/32-38 Cassia Street, Dee Why 2099 $975,000 sold 2 Dec 2025
- 6/8-10 Cassia Street, Dee Why 2099 $1,160,000 sold 29 Nov 2025
- 7/8-10 Cassia Street, Dee Why 2099 $1,275,000 sold 20 Nov 2025
- 15/44 Cassia St, Dee Why 2099 $1,400,000 sold 26 Sep 2025
- 4/16-20A Cassia Street, Dee Why 2099 $1,475,000 sold 30 Aug 2025
- 5/52 Cassia Street, Dee Why 2099 $1,600,000 sold 10 Jul 2025
Recent sales nearby
Sold in the last 12 months within about 400 metres.
- 507 A/8 Oaks Ave, Dee Why 2099 $1,299,700 sold 21 Sep 2026
- 18/82 Pacific Pde, Dee Why 2099 $920,000 sold 7 Sep 2026
- 509 B/8 Oaks Ave, Dee Why 2099 $1,300,000 sold 2 Sep 2026
- 6/146 Pacific Pde, Dee Why 2099 $1,050,000 sold 27 Aug 2026
- 6/85 Pacific Pde, Dee Why 2099 $980,000 sold 26 Aug 2026
- 305 A/8 Oaks Ave, Dee Why 2099 $1,380,000 sold 24 Aug 2026
- 1/99 Pacific Pde, Dee Why 2099 $920,000 sold 14 Aug 2026
- 312 B/8 Oaks Ave, Dee Why 2099 $1,400,000 sold 13 Aug 2026