Check another streetStreet Score · Data as of Sept 2026
Black Close, Illawong NSW
Strong street profile · 4 of 4 tests pass — Black Close scores 16 points above the Illawong street average.
- Owner-occupiers above 65%
- Public housing 5% or less
- Rent at or above suburb median
- Yield at or above suburb
A street with the profile we look for
High owner-occupation, little public housing, and rents and yields at or above the suburb median. It is running ahead of most of the suburb around it.
Streets scoring 75+ make up 35% of the 362,395 Australian streets we score; in NSW it's 32%. Black Close sits above 86% of them.
High confidence · 18 addresses across 1 census block · Tenure: 2021 Census · Rent & yield: Sept 2026
Scores describe measured conditions on the blocks this street runs through — not your home, not personal advice, and not a forecast.
Black Close scores 16 points above the Illawong street average.
The blocks on Black Close pass more of the four tests than the typical Illawong street.
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How the Street Score works. Every address on Black Close is matched (G-NAF) to its ABS 2021 mesh block and SA1 area. Each block scores 100 when owner-occupiers are above 65%, public housing is 5% or less, and both its median rent and rental yield are at or above the Illawong median; 75 when one of the rent/yield tests passes; 50 when neither does; 25 when only one of the two tenure tests passes; 0 when neither does. The Street Score is the address-weighted average of its blocks — the same street test our research engine applies to every listed property. Suburb medians are as of Sept 2026; tenure is from the 2021 Census. Past performance is not a reliable indicator of future performance. Nothing on this page is personal financial advice.