79/21 Third Ave, Blacktown NSW 2148
Blacktown Unit
Technical details
How this sale compares
Sold for $435,000 in Aug 2026, down $15,000 (3%) on the $450,000 paid in Nov 2021. That is a fall of about 0.7% a year over 4.7 years.
Over the same period the median unit price in Blacktown held steady, from $535,000 in 2021 to $535,000 in 2026.
The 2026 sale was 19% below the Blacktown median unit price for that year ($535,000 across 260 sales).
Blacktown 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 Blacktown sold prices by year.
Rent and yield
Units in postcode 2148 rented for a median $550 a week, from 695 bonds lodged Oct 2025 to Sep 2026.
On its last sale of $435,000 on 7 Aug 2026, that rent is a gross yield of 6.6% 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 Blacktown.
Planning controls
- Zone
- R4 High Density Residential
- Maximum building height
- 20 m
From the Blacktown Local Environmental Plan 2015 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 | |||
|---|---|---|---|---|---|---|
| 7 Aug 2026 | 14 Sep 2026 | $435,000 | - | - | - | 79/SP75293 |
| 25 Nov 2021 | 10 Jan 2022 | $450,000 | - | - | - | 79/SP75293 |
| 27 Aug 2016 | 7 Oct 2016 | $460,000 | - | - | - | 79/SP75293 |
$435,000 Sold 7 Aug 2026
Settled14 Sep 2026
Beds-
Baths-
Cars-
Title reference: 79/SP75293
$450,000 Sold 25 Nov 2021
Settled10 Jan 2022
Beds-
Baths-
Cars-
Title reference: 79/SP75293
$460,000 Sold 27 Aug 2016
Settled7 Oct 2016
Beds-
Baths-
Cars-
Title reference: 79/SP75293
Other sales at 21 Third Ave
The most recent sales of other units in this building. See every sale in the building.
| Beds | Baths | Cars | Title reference | ||||
|---|---|---|---|---|---|---|---|
| 46 | 22 Jul 2026 | 2 Sep 2026 | $420,000 | - | - | - | 46/SP75293 |
| 9 | 29 Jun 2026 | 10 Aug 2026 | $420,000 | - | - | - | 9/SP75293 |
| 4 | 1 Jun 2026 | 13 Jul 2026 | $440,000 | - | - | - | 4/SP75293 |
| 12 | 5 Mar 2026 | 16 Apr 2026 | $415,000 | - | - | - | 12/SP75293 |
| 82 | 2 Mar 2026 | 25 Mar 2026 | $307,500 | - | - | - | 82/SP75293 |
| 96 | 15 Jan 2026 | 26 Feb 2026 | $423,000 Property features as at 21 January 2026. If the property has been renovated or altered, features may be different for sales before or after this date. | 2 | 2 | 1 | 96/SP75293 |
| 99 | 8 Dec 2025 | 19 Jan 2026 | $330,000 | - | - | - | 99/SP75293 |
| 45 | 10 Oct 2025 | 14 Nov 2025 | $430,000 | - | - | - | 45/SP75293 |
| 83 | 1 Aug 2025 | 23 Oct 2025 | $410,000 | - | - | - | 83/SP75293 |
| 113 | 9 Aug 2025 | 22 Sep 2025 | $335,000 | - | - | - | 113/SP75293 |
$420,000 Sold 22 Jul 2026
Title reference: 46/SP75293
$420,000 Sold 29 Jun 2026
Title reference: 9/SP75293
$440,000 Sold 1 Jun 2026
Title reference: 4/SP75293
$415,000 Sold 5 Mar 2026
Title reference: 12/SP75293
$307,500 Sold 2 Mar 2026
Title reference: 82/SP75293
$423,000 Sold 15 Jan 2026
Property features as at 21 January 2026. If the property has been renovated or altered, features may be different for sales before or after this date.
Title reference: 96/SP75293
$330,000 Sold 8 Dec 2025
Title reference: 99/SP75293
$430,000 Sold 10 Oct 2025
Title reference: 45/SP75293
$410,000 Sold 1 Aug 2025
Title reference: 83/SP75293
$335,000 Sold 9 Aug 2025
Title reference: 113/SP75293
Recent sales on Third Ave
Sold in the last two years.
- 2/31 Third Ave, Blacktown 2148 $380,000 sold 6 Aug 2026
- 73/31 Third Ave, Blacktown 2148 $452,000 sold 5 Aug 2026
- 29/19 Third Ave, Blacktown 2148 $455,000 sold 29 Jul 2026
- 47/31 Third Ave, Blacktown 2148 $400,000 sold 20 Jul 2026
- 39/31 Third Ave, Blacktown 2148 $420,000 sold 5 Jul 2026
- 7/19 Third Ave, Blacktown 2148 $415,000 sold 30 Jun 2026
- 26/19 Third Ave, Blacktown 2148 $430,000 sold 23 Apr 2026
- 18/31 Third Ave, Blacktown 2148 $419,000 sold 10 Apr 2026
Recent sales nearby
Sold in the last 12 months within about 400 metres.
- 19/16 Fifth Ave, Blacktown 2148 $410,000 sold 9 Sep 2026
- 36/4 Fourth Ave, Blacktown 2148 $415,000 sold 27 Aug 2026
- 5/28 Fourth Ave, Blacktown 2148 $460,000 sold 25 Aug 2026
- 2002/1 Boys Ave, Blacktown 2148 $540,000 sold 23 Aug 2026
- 21/25 Fourth Ave, Blacktown 2148 $456,000 sold 22 Aug 2026
- 2201/1 Boys Ave, Blacktown 2148 $560,000 sold 18 Aug 2026
- 903/1 Boys Ave, Blacktown 2148 $560,000 sold 18 Aug 2026
- 903/5 Second Ave, Blacktown 2148 $600,000 sold 15 Aug 2026