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Nelson St, Thornleigh NSW 2120

Street

Street Summary

Nelson St, Thornleigh NSW 2120 sits slightly above the suburb's house median. The street is a local road with 44% houses and 0% apartments. 2 homes sit above the street; 12 homes sit level with the street; 5 homes sit below the street. 9 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 Nelson St, Thornleigh NSW 2120 property market.

Houses vs Apartments57 total lots
43.9%
56.1%
Houses (43.9%)
Apartments (0%)
Townhouses/Villas/Unclassified (56.1%)

PART 2
Houses

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

Land Topography

How house lots on Nelson St, 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
2 lots
12 lots
5 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 Nelson St, 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$5.0MOct 21June 23Feb 25Oct 26$1.7M · 2022$1.8M · 2023$1.9M · 2024$1.9M · 2025$1.8M · 2026$1.8M · 2023-02-15 · 20 NELSON ST, THORNLEIGH NSW 2120$1.8M · 2024-09-29 · 4 NELSON ST, THORNLEIGH NSW 2120$2.2M · 2023-11-18 · 10 NELSON ST, THORNLEIGH NSW 2120$2M · 2023-10-20 · 15 NELSON ST, THORNLEIGH NSW 2120$1.6M · 2023-10-25 · 5 NELSON ST, THORNLEIGH NSW 2120
Street price+3%vs suburb median
Turnover rate20%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Nelson St, 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$1.0MOct 21June 23Feb 25Oct 26$810k · 2022$700k · 2023$740k · 2024$794k · 2025$640k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

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Living in Nelson St, Thornleigh NSW 2120 : Street Profile & FAQs

Common questions about living on and buying property on Nelson St, 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 Nelson St an expensive or affordable street relative to Thornleigh?

House prices on Nelson St sit 3.43% above the Thornleigh suburb house median.

What are the risk and overlay factors on Nelson St?

There is no bushfire, heritage, or high-voltage overlay on Nelson St. Nine properties are recommended for a flood check, and 16 fall under other flood classifications where no flood risk is identified or the property has not been mapped. A flood check recommendation means further assessment is advised, and buyers should review council mapping, flood reports, and insurance costs before purchasing.

Are properties on Nelson St mostly on high, level or low ground?

2 homes sit above the street; 12 homes sit level with the street; 5 homes sit below the street.

What type of road is Nelson St?

Nelson St is a local road. Local roads generally serve nearby residents and connect to larger collector or arterial roads. Speed limit and traffic data for the dominant section of the street are not available.

Is Nelson St mostly houses or apartments?

Nelson St has 57 residential properties. 43.9% are houses, and 0% are apartments.

What are the major apartment developments on Nelson St?

No major apartment developments are recorded on Nelson St.

How many properties have sold on Nelson St?

0 houses and 0 apartments have sold in the past 12 months. The 5-year turnover rate for houses is 20%, meaning 20% of the current house stock changed ownership over the past five years. Apartment turnover data is not available.

Is Nelson St a good street to buy property on?

Nelson St is a local residential street with a mix of detached houses, duplexes, and terraces. It sits slightly above the Thornleigh suburb house median, and most homes sit level with the street. Buyers should note the flood check recommendations and the absence of recent sales activity. It suits buyers seeking a quiet local road with established housing stock.