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Hillmont Ave, Thornleigh NSW 2120

Street

Street Summary

Hillmont Ave, Thornleigh NSW 2120 is a predominantly house street with 93.6% of residential properties being houses. 9 homes sit above the street; 1 homes sit level with the street; 31 homes sit below the street. 30 homes are in a bushfire zone and 19 are heritage-listed, while 2 homes are recommended for a flood check. 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 Hillmont Ave, Thornleigh NSW 2120 property market.

Houses vs Apartments47 total lots
93.6%
6.4%
Houses (93.6%)
Apartments (0%)
Townhouses/Villas/Unclassified (6.4%)

PART 2
Houses

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

Land Topography

How house lots on Hillmont 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
9 lots
1 lots
31 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
19 houses affected
Bushfire
30 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Hillmont 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$1.7M · 2025-05-23 · 24 HILLMONT AVE, THORNLEIGH NSW 2120$2.1M · 2024-11-13 · 44 HILLMONT AVE, THORNLEIGH NSW 2120$1.6M · 2025-06-12 · 50 HILLMONT AVE, THORNLEIGH NSW 2120$1.9M · 2026-05-06 · 54 HILLMONT AVE, THORNLEIGH NSW 2120$1.5M · 2022-10-12 · 58 HILLMONT AVE, THORNLEIGH NSW 2120$1.8M · 2025-09-19 · 58 HILLMONT AVE, THORNLEIGH NSW 2120$1.6M · 2023-09-14 · 26A HILLMONT AVE, THORNLEIGH NSW 2120
Turnover rate15.9%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Hillmont 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 Hillmont Ave, Thornleigh NSW 2120 : Street Profile & FAQs

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

There are insufficient recent house sales on Hillmont 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 Hillmont Ave?

30 homes are in a bushfire zone, 19 are heritage-listed, and 0 are affected by high-voltage powerlines. Two properties are recommended for a flood check, while 42 have no flood risk identified or not mapped. A heritage listing typically means renovations or exterior changes may require additional council approval, reducing renovation flexibility. A flood check recommendation is worth reviewing council mapping and insurance costs before purchasing, though it does not necessarily mean a property floods.

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

9 homes sit above the street; 1 homes sit level with the street; 31 homes sit below the street. Different site heights relative to the street can influence site characteristics, but buyers should assess the specific property rather than relying on the street average.

What type of road is Hillmont Ave?

Hillmont Ave is a local road. Local roads generally serve nearby residents and connect local streets with larger roads. You may make a general, non-committal observation about traffic or noise based on the road classification only.

Is Hillmont Ave mostly houses or apartments?

There are 47 residential properties on Hillmont Ave, with 93.6% being houses and 0% being apartments. The street is predominantly houses.

What are the major apartment developments on Hillmont Ave?

No major apartment developments are recorded on Hillmont Ave.

How many properties have sold on Hillmont Ave?

2 houses sold in the past 12 months, while 0 apartments sold. The 5-year turnover rate for houses is 15.9%, representing the proportion of properties that changed ownership during the past five years. Apartment turnover data is unavailable.

Is Hillmont Ave a good street to buy property on?

Hillmont Ave is a local road with a predominantly house profile (93.6%), making it suitable for buyers looking for detached houses. However, buyers should consider the 30 bushfire-zone properties and 19 heritage-listed homes, which may limit renovation flexibility. The street features a mixed elevation profile, with most homes sitting below the street level. With 2 houses sold in the last year and a 15.9% five-year turnover, the market is active enough to provide recent comparables.