Get the app

Nicholson Ave, Thornleigh NSW 2120

Street

Street Summary

Nicholson Ave, Thornleigh NSW 2120 sits above the suburb’s house median. 22 homes sit above the street; 10 homes sit level with the street; 36 homes sit below the street. 9 homes are recommended for a flood check. 90.8% of residences are houses. There are insufficient recent house sales to calculate a reliable comparison against the suburb for apartments.


PART 1
Street Profile

Property Type Mix

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

Houses vs Apartments76 total lots
90.8%
9.2%
Houses (90.8%)
Apartments (0%)
Townhouses/Villas/Unclassified (9.2%)

PART 2
Houses

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

Land Topography

How house lots on Nicholson 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
22 lots
10 lots
36 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 Nicholson 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$1.8M · 2023-09-16 · 47 NICHOLSON AVE, THORNLEIGH NSW 2120$1.5M · 2025-12-04 · 17 NICHOLSON AVE, THORNLEIGH NSW 2120$1.9M · 2023-04-28 · 28 NICHOLSON AVE, THORNLEIGH NSW 2120$2.6M · 2025-03-15 · 36 NICHOLSON AVE, THORNLEIGH NSW 2120$1.9M · 2021-11-18 · 38 NICHOLSON AVE, THORNLEIGH NSW 2120$2.1M · 2025-09-19 · 56 NICHOLSON AVE, THORNLEIGH NSW 2120$2M · 2024-04-06 · 65 NICHOLSON AVE, THORNLEIGH NSW 2120$2M · 2023-07-04 · 69 NICHOLSON AVE, THORNLEIGH NSW 2120$1.6M · 2023-10-28 · 11 NICHOLSON AVE, THORNLEIGH NSW 2120
Street price+11%vs suburb median
Turnover rate13%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Nicholson 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

Get the knest.ai app

Gain ultimate insights into any property

Buyer-focused property platform identifying risks, price estimates, 3D land maps and more to help you make smarter decisions — completely free.

Download on the App Store
5.0 rating
15k users

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

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

House prices on Nicholson Ave are 11.15% above the Thornleigh suburb house median.

What are the risk and overlay factors on Nicholson Ave?

There are no bushfire, heritage, or high-voltage overlays on the street. Nine properties are recommended for a flood check, and 60 fall under other flood classifications, meaning no flood risk has been identified or the property has not been mapped. While a flood check recommendation does not mean a property floods, buyers should review council mapping, flood reports, and insurance costs before purchasing.

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

22 homes sit above the street; 10 homes sit level with the street; 36 homes sit below the street. Because the majority of homes sit below the street, the street has a predominantly low-side profile. 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 Nicholson Ave?

Nicholson Ave is a local road. Local roads generally serve nearby residents and connect directly to local streets, rather than carrying significant through traffic. This classification typically indicates a residential environment focused on local access.

Is Nicholson Ave mostly houses or apartments?

There are 76 residential properties on the street. Houses make up 90.8% of the residential stock, while apartments make up 0%. This means the street is predominantly houses.

What are the major apartment developments on Nicholson Ave?

No major apartment developments are recorded on Nicholson Ave.

How many properties have sold on Nicholson Ave?

2 houses sold in the past 12 months, and 0 apartments sold. The 5-year turnover rate for houses is 13%, which represents the proportion of properties that changed ownership during the past five years. Apartment turnover data is unavailable.

Is Nicholson Ave a good street to buy property on?

Nicholson Ave is a local road with a predominantly house profile (90.8% of the 76 residential properties). House prices sit 11.15% above the Thornleigh suburb median. The street features a mix of site heights, with 36 homes sitting below the street, 22 sitting above, and 10 sitting level with it. Buyers should be aware that 9 properties are recommended for a flood check, while 60 have no flood risk identified or are not mapped. There are no bushfire, heritage, or high-voltage overlays. The street is best suited for buyers looking for detached houses on a local road.