Duffy Ave, Thornleigh NSW 2120

Street
PART 1
Street Profile

Property Type Mix

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

Houses vs Apartments161 total lots
68.3%
24.8%
6.9%
Houses (68.3%)
Apartments (24.8%)
Townhouses/Villas/Unclassified (6.9%)

Street Class & Speed Limit

The road classification and posted speed limit along Duffy Ave, Thornleigh NSW 2120. Road class and speed limit can each vary from section to section; the dominant setting along the street is shown here.

Dominant road class & speed limitCOLLECTOR ROAD · 50 km/h98.8% of properties front this section

PART 2
Houses

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

Land Topography

How house lots on Duffy 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
57 lots
44 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
4 houses affected
Bushfire
0 houses affected
Flood
0 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Duffy 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$5.0MJuly 21Mar 23Nov 24July 26$1.7M · 2022$1.8M · 2023$1.9M · 2024$1.9M · 2025$1.9M · 2026$1.8M · 2025-05-23 · 2/105 DUFFY AVE, THORNLEIGH NSW 2120$1.8M · 2024-04-27 · 109A DUFFY AVE, THORNLEIGH NSW 2120$1.6M · 2022-06-15 · 24 DUFFY AVE, THORNLEIGH NSW 2120$1.5M · 2023-10-14 · 26 DUFFY AVE, THORNLEIGH NSW 2120$1.6M · 2021-08-03 · 32 DUFFY AVE, THORNLEIGH NSW 2120$1.9M · 2021-08-11 · 7A DUFFY AVE, THORNLEIGH NSW 2120$2M · 2025-10-11 · 7 DUFFY AVE, THORNLEIGH NSW 2120$1.4M · 2021-10-04 · 1 DUFFY AVE, THORNLEIGH NSW 2120$2.3M · 2024-05-18 · 101 DUFFY AVE, THORNLEIGH NSW 2120$2.8M · 2025-08-09 · 103 DUFFY AVE, THORNLEIGH NSW 2120$1.9M · 2025-07-11 · 44A DUFFY AVE, THORNLEIGH NSW 2120$1.7M · 2024-01-23 · 55 DUFFY AVE, THORNLEIGH NSW 2120$2M · 2025-10-18 · 57 DUFFY AVE, THORNLEIGH NSW 2120$1.6M · 2023-09-13 · 64 DUFFY AVE, THORNLEIGH NSW 2120$2M · 2026-02-07 · 48 DUFFY AVE, THORNLEIGH NSW 2120$2.1M · 2025-10-18 · 77 DUFFY AVE, THORNLEIGH NSW 2120$2M · 2024-07-19 · 87 DUFFY AVE, THORNLEIGH NSW 2120
Street price-12%vs suburb median
Turnover rate15.5%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Duffy 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$1.0MJuly 21Mar 23Nov 24July 26$810k · 2022$700k · 2023$740k · 2024$787k · 2025$630k · 2026
Apartment sales0Past 12 months
Turnover rate0%Past 5 years

Largest Apartment Projects

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

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

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