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Barrett Ave, Thornleigh NSW 2120

Street

Street Summary

Living on Barrett Ave, Thornleigh NSW 2120, you will find a quiet local road where 14 homes sit level with the street and 6 sit below it. The street is 36.1% houses and 47.5% apartments, anchored by the 27-lot, single-level development at 2 Barrett Ave. With only 1 house sold in the past year and insufficient recent sales to calculate a reliable comparison against the suburb median, buyers should compare recent sales of individual homes on the street against nearby comparable properties.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Barrett Ave, Thornleigh NSW 2120 property market.

Houses vs Apartments61 total lots
36.1%
47.5%
16.4%
Houses (36.1%)
Apartments (47.5%)
Townhouses/Villas/Unclassified (16.4%)

PART 2
Houses

"Houses" in this report includes detached houses, duplexes, and terraces.

Land Topography

How house lots on Barrett Ave, Thornleigh NSW 2120 sit relative to street level — topography that affects drainage, flood risk, privacy, and build cost. Statistics are calculated from properties with available data.

High-side vs low-side house lots
FlatLow-side
14 lots
6 lots
High-side (1m above)
Flat
Low-side (1m below)

Risks &Overlays

See which key planning overlays and environmental risks affect this street before you buy.

Heritage
0 houses affected
Bushfire
0 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Barrett Ave, Thornleigh NSW 2120 over the past 5 years, plotted against the Thornleigh NSW 2120 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$1.3M$2.5M$3.8M$5.0MSept 21May 23Jan 25Sept 26$1.7M · 2022$1.8M · 2023$1.9M · 2024$1.9M · 2025$1.8M · 2026$2.7M · 2025-11-28 · 12 BARRETT AVE, THORNLEIGH NSW 2120
Turnover rate4.5%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Barrett Ave, Thornleigh NSW 2120 over the past 5 years, plotted against the Thornleigh NSW 2120 median apartment price trend over the same period.

Street sales vs suburb median
Suburb Median Price
$0$250k$500k$750k$1.0MSept 21May 23Jan 25Sept 26$810k · 2022$700k · 2023$740k · 2024$787k · 2025$650k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

Largest Apartment Projects

The largest apartment projects on Barrett Ave, Thornleigh NSW 2120, ranked by number of lots.

1
2 BARRETT AVE, THORNLEIGH NSW 2120Small-Medium project (20-50 lots)

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Living in Barrett Ave, Thornleigh NSW 2120 : Street Profile & FAQs

Common questions about living on and buying property on Barrett Ave, Thornleigh NSW 2120 — lifestyle, transport, and the local housing market.

Note: Data is sourced from the Australian Bureau of Statistics (ABS) 2021 Census data and knest.ai internal statistical data.

Is Barrett Ave an expensive or affordable street relative to Thornleigh?

There are insufficient recent house sales on Barrett Ave to calculate a reliable premium or discount against the Thornleigh average. Buyers should compare recent sales of individual homes on the street against nearby comparable properties to gauge current market positioning.

What are the risk and overlay factors on Barrett Ave?

There are no bushfire, heritage, flood overlay, or high-voltage powerline overlays affecting properties on Barrett Ave. However, 22 homes fall under other flood classifications, which means no flood risk has been identified or the property has not been mapped for flood. While this does not indicate a flood risk, it is worth reviewing council mapping and insurance costs before purchasing.

Are properties on Barrett Ave mostly on high, level or low ground?

14 homes sit level with the street; 6 homes sit below the street. The site height relative to the street can influence specific site characteristics, so buyers should assess the individual property rather than relying on the street average.

What type of road is Barrett Ave?

Barrett Ave is a local road. Local roads generally serve nearby residents and connect directly to local streets rather than carrying significant through traffic.

Is Barrett Ave mostly houses or apartments?

Barrett Ave has 61 residential properties. Houses make up 36.1% of the residential stock, while apartments make up 47.5%. The street features a mixed profile of both dwelling types.

What are the major apartment developments on Barrett Ave?

There is one major apartment development recorded on the street: 2 Barrett Ave, Thornleigh NSW 2120, which contains 27 lots across 1 level. These developments contribute to the street's apartment presence.

How many properties have sold on Barrett Ave?

One house sold in the past 12 months, while no apartments sold in that period. The 5-year turnover rate for houses is 4.5%, meaning 4.5% of houses changed ownership during the past five years. No turnover data is available for apartments.

Is Barrett Ave a good street to buy property on?

Barrett Ave aligns with buyers seeking a local-road residential environment. The street offers a mix of detached houses and apartments, including a small apartment building. Buyers should note the flat site profile and the absence of major overlays, while considering the limited recent sales activity when assessing market positioning.