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Janet Ave, Thornleigh NSW 2120

Street

Street Summary

Janet Ave in Thornleigh NSW 2120 is a local road where 100% of the 45 residential properties are houses. 18 homes sit above the street; 15 homes sit level with the street; 9 homes sit below the street. 11 homes are recommended for a flood check, and 34 have an other flood classification. With only 2 house sales in the last 12 months, there are insufficient recent house sales to calculate a reliable comparison against the suburb, so 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 Janet Ave, Thornleigh NSW 2120 property market.

Houses vs Apartments45 total lots
100%
Houses (100%)
Apartments (0%)
Townhouses/Villas/Unclassified (0%)

PART 2
Houses

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

Land Topography

How house lots on Janet 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
High-sideFlatLow-side
18 lots
15 lots
9 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 Janet 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$1.9M · 2024-12-07 · 30 JANET AVE, THORNLEIGH NSW 2120$1.9M · 2026-06-13 · 39 JANET AVE, THORNLEIGH NSW 2120$2M · 2024-07-27 · 40 JANET AVE, THORNLEIGH NSW 2120$2.1M · 2025-11-27 · 40 JANET AVE, THORNLEIGH NSW 2120$2.1M · 2022-03-15 · 6 JANET AVE, THORNLEIGH NSW 2120$1.8M · 2022-01-23 · 35 JANET AVE, THORNLEIGH NSW 2120$1.1M · 2026-03-25 · 10A JANET AVE, THORNLEIGH NSW 2120
Turnover rate13.3%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Janet 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

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

Common questions about living on and buying property on Janet 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 Janet Ave an expensive or affordable street relative to Thornleigh?

There are insufficient recent house sales on Janet Ave to calculate a reliable premium or discount against the Thornleigh suburb 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 Janet Ave?

No properties on Janet Ave fall within a bushfire zone or heritage overlay, and there are no high-voltage powerlines within 100m. 11 homes are recommended for a flood check, while 34 fall under other flood classifications, indicating no flood risk identified or not mapped. Buyers should review council mapping and insurance implications for the recommended flood check properties.

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

18 homes sit above the street; 15 homes sit level with the street; 9 homes sit below the street. This mixed profile means site characteristics vary significantly across the street. Buyers should assess the specific property's site height rather than relying on the street average, as individual site conditions depend on the specific lot.

What type of road is Janet Ave?

Janet Ave is a local road, which generally serves nearby residents rather than carrying through traffic. This classification suggests the street is designed for local access, though specific traffic levels or noise impacts cannot be determined from the road classification alone. Buyers should consider their own tolerance for local road activity when evaluating the street.

Is Janet Ave mostly houses or apartments?

Janet Ave has 45 residential properties, and the street is predominantly houses, with 100% of the residential stock being houses and 0% apartments. This indicates a consistent housing type across the street, with no apartment or unit developments present in the current residential mix.

What are the major apartment developments on Janet Ave?

No major apartment developments are recorded on Janet Ave. The street consists entirely of house stock, with no apartment or unit projects contributing to the residential character. This absence of apartment developments aligns with the street's 100% house composition.

How many properties have sold on Janet Ave?

2 houses sold on Janet Ave in the past 12 months, while 0 apartments sold during the same period. The 5-year turnover rate for houses is 13.3%, representing the proportion of house properties that changed ownership over the past five years. No turnover data is available for apartments on the street.

Is Janet Ave a good street to buy property on?

Janet Ave is a local road in Thornleigh with 45 residential properties, all of which are houses. The street features a mixed elevation profile with homes sitting above, level with, and below the street. With 11 homes recommended for a flood check and no apartment developments, buyers seeking house stock on a local road may find the street suitable, though they should verify flood implications for specific properties.