Thornleigh, NSW

FAIR VALUE

6,533 sales · 36 years of data · NSW, Australia

$1,603,000
Median (All)
$1,862,000
Median (Houses)
$1,100,000
Median (Apartments)
5.2%
10yr CAGR
6.0%
36yr CAGR
24.3%
Strata %
36 years of data · 6,533 sales analysed · 2,500+ suburbs · Updated weekly

Thornleigh, NSW Property Market Overview

Thornleigh, NSW, 2120, presents a well-established property market within the Greater Sydney region. Our analysis spans 36 years of recorded sales data, encompassing a total of 6,533 transactions. The current median property price in Thornleigh is $1,603,000, reflecting a diverse mix of housing options.

Thornleigh is known for its blend of residential and bushland settings, offering a family-friendly atmosphere with access to both city amenities and natural landscapes. The suburb's property market includes both houses and apartments, with current median prices of $1,862,000 and $1,100,000 respectively. This provides a range of options for potential buyers and investors alike.

Currently fair value
Relative to the long-term price trend line
$500K invested 10yr ago → $830,094
Based on the 10-year compound annual growth rate of 5.2%
Predominantly houses24% apartments
76% of sales are houses and other non-strata properties
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Property Mix

76%
24%
Houses 76%$1,862,000Apartments 24%$1,100,000

Data You Can Trust

Every figure backed by NSW government sale records

7 million+
verified sale records
2,500+
NSW suburbs covered
36 years
of market history
Weekly
NSW Gov. data updates

What Subscribers See

A preview of the full analysis available for Thornleigh

Street Rankings

Top streets in Thornleigh, NSW by median sale price

See which streets command the highest prices and how many sales back each ranking.

#StreetTypeSalesMedian Price
1Duffy AveHouse9$1,965,000
2Trelawney StHouse5$2,200,000
3Yaralla CresHouse6$1,932,500
4The EsplanadeHouse5$1,700,000

... and 154 more streets available

Subscribers also see:

  • Street price per m² analysis
  • Street annual growth rates (CAGR)
  • Premium vs discount % comparison
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Price per m²

Streets by price per square metre

Compare land and building value across streets — essential for finding underpriced pockets.

#StreetTypeSalesMedian $/m²
1Jamieson WayHouse4$5,858/m²
2Pennant Hills RdApartment17$5,743/m²
3Livingstone WayHouse5$5,152/m²
4Thornleigh StApartment13$6,991/m²

... and more $/m² rankings

View full $/m² data
Growth Rates

Fastest growing streets by median price

10-year compound annual growth rate (CAGR) by street — see which streets are outperforming the suburb.

#StreetType10yr CAGR
1Duffy AveHouse+6.9%
2Dryandra WayApartment+7.5%
3Pioneer AveApartment+13.7%
4Nicholson AveHouse+6.9%

... and more street growth rates

See all growth rates

Past growth rates are not indicative of future performance. This data is for informational purposes only.

Building Analytics

Building-by-building comparison

126
apartment buildings analysed
#AddressSalesMedian$/m²
12 Bellevue St41$782,500$6,771/m²
227 Thornleigh St6$827,500$7,090/m²
335 Sefton Rd10$377,500$8,558/m²
411 Thornleigh St5$800,000$6,991/m²

... and 122 more buildings

Compare individual buildings by price per sqm, median unit price, and sales volume. Identify which buildings are gaining or losing value relative to the suburb average.

View full building data
Risk Indicator

Flipper risk & hold period analysis

Available with full access
 

Properties resold within 2 years may signal problems — structural issues, noisy locations, or overpayment. See hold period distribution and flagged streets.

See flipper risk data
Risk Indicator

Settlement times & problem streets

57
average days to settlement

Extended settlement times can indicate building defects, financing difficulties, or legal issues. See which streets have the longest settlement periods.

See settlement data
Suburb Change

Density & development tracking

24%
apartments across 126 buildings

Track which streets are converting from houses to apartments. Understand how density is changing the suburb's character and property values over time.

See density trends

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158 streets and 126 buildings to explore

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3 street rankings
All 158 streets ranked
Cycle chart preview
Full chart — all years
Basic median prices
Price per m² by street
Suburb-level growth only
10-year CAGR by street
Building count only
126 buildings compared
Summary stats only
Flipper risk + settlement data

Based on 6,533 verified property sales across 36 years · Last updated: February 2026

Trusted by 100+ property investors across NSW

Thornleigh at a Glance

Region
Upper North Shore
CBD Distance
25km northwest of Sydney CBD
Train Station
Thornleigh Station (T9 Northern Line)
Council
Hornsby Shire Council
Property Character
Established residential with leafy streets and a mix of houses and apartments
Community
Families and professionals seeking a suburban lifestyle

Thornleigh, NSW

Map data © OpenStreetMap contributors

Local Amenities


Living in Thornleigh, NSW

Thornleigh offers a relaxed and family-friendly lifestyle, characterised by leafy streets and access to numerous parks and reserves. Families are drawn to the area due to its reputable schools, including Thornleigh West Public School, Normanhurst West Public School, and Pennant Hills High School. The suburb is serviced by Thornleigh train station, providing convenient access to the Sydney CBD and surrounding areas.

Local shopping options include Thornleigh Marketplace, catering to everyday needs. For outdoor recreation, residents can enjoy nearby parks such as Ruddock Park and Headen Park. The overall vibe of Thornleigh is suburban and peaceful, making it an attractive location for those seeking a balance between urban convenience and natural surroundings.


Who Buys in Thornleigh?

Thornleigh attracts a diverse range of buyers, including families, professionals, and downsizers. The presence of reputable schools makes it particularly appealing to families seeking quality education for their children. The mix of houses and apartments, with a strata percentage of 24.3%, caters to different lifestyle preferences and budgets. While the median property prices are relatively high, the consistent historical growth rates, including a 10-year CAGR of 5.2%, suggest long-term value appreciation, attracting both owner-occupiers and investors.

Market Analysis

Currently, the Thornleigh property market is assessed to be near its long-term trend, suggesting fair value. This indicates that property prices in Thornleigh are generally aligned with historical growth patterns and broader economic conditions.

While the market is considered to be at fair value, it's essential to consider individual property characteristics and micro-market trends within Thornleigh. Fluctuations in interest rates, economic growth, and local development can all influence property values. Continuous monitoring of these factors is crucial for understanding the evolving dynamics of the Thornleigh market.


Is Thornleigh a Good Investment?

Thornleigh's historical growth patterns suggest a stable and appreciating property market. The suburb's 10-year CAGR of 5.2% and full-period CAGR of 6.0% demonstrate consistent performance over time. The current assessment of the Thornleigh market being near its long-term trend indicates a balanced market.

Factors contributing to Thornleigh's property values include its desirable location, access to quality schools, and a blend of residential and natural environments. While it's not possible to provide investment advice, the data suggests that Thornleigh has historically demonstrated resilience and consistent growth, making it an area of interest for those analysing the Sydney property market.


Thornleigh Market Outlook

As of early 2026, the Thornleigh property market is assessed to be near its long-term trend. Recent price trends indicate a stable market, but it's important to note that market conditions can change. Continued monitoring of economic indicators, interest rates, and local developments will be crucial for understanding the future trajectory of the Thornleigh property market.

Streets & Location in Thornleigh, NSW

Located in Sydney's upper north shore, Thornleigh (postcode 2120) offers a mix of residential living and convenient access to amenities. Some of the streets with higher median property prices include WAREEMBA AVE, DARTFORD RD, and ADAMSON AVE, reflecting the desirability of certain locations within the suburb. With a total of 158 streets, Thornleigh provides a diverse range of property options within its established residential landscape.

Market Dynamics

Recent market activity in Thornleigh shows an average settlement timeframe of 57 days. This indicates a relatively efficient transaction process within the suburb. Data regarding quick-flips is currently not available. The settlement timeframe provides insight into the current demand and supply dynamics within the Thornleigh property market, indicating a balance between buyer interest and seller expectations.

Development & Density

Thornleigh features a mix of housing types, with a total of 126 apartment buildings contributing to the suburb's overall density. The strata percentage of 24.3% reflects the proportion of apartments relative to houses within Thornleigh. This mix of housing options caters to diverse preferences and lifestyle needs, contributing to the suburb's appeal.

Growth & Property Mix

Thornleigh's property market has demonstrated consistent growth over the long term. The suburb has recorded a 10-year Compound Annual Growth Rate (CAGR) of 5.2%, a 20-year CAGR of 5.6%, and a full-period CAGR of 6.0%. These figures highlight Thornleigh's sustained performance over different market cycles. The property mix in Thornleigh includes a significant proportion of houses alongside apartments, with 24.3% of properties being strata-titled.

All data on this page is sourced from NSW government property sale records. Market analysis, cycle positions, growth rates, and all other metrics are provided for informational purposes only and do not constitute financial, investment, legal, or property advice. Always seek independent professional advice before making any property or financial decisions.

This information is based on historical sales data and does not constitute financial, investment, or property advice. Past performance is not indicative of future results. Always consult a qualified professional before making property decisions.

Frequently Asked Questions about Thornleigh, NSW

What is the median property price in Thornleigh?
The current median property price in Thornleigh is $1,603,000. This figure encompasses both houses and apartments, reflecting the diverse range of properties available in the suburb. The median house price is $1,862,000, while the median apartment price is $1,100,000.
Is Thornleigh overvalued or undervalued?
Currently, the Thornleigh property market is assessed to be near its long-term trend, indicating that it's at fair value. This suggests that property prices are generally aligned with historical performance and broader market conditions in the area. However, individual property values can vary.
How has the Thornleigh property market performed over 10 years?
Over the past 10 years, the Thornleigh property market has demonstrated consistent growth. The suburb has recorded a Compound Annual Growth Rate (CAGR) of 5.2% over this period. This indicates a solid and steady performance in property values over the last decade.
What percentage of Thornleigh is apartments vs houses?
Apartments constitute a notable portion of the Thornleigh property market. Approximately 24.3% of properties in Thornleigh are strata-titled, representing apartments. This indicates that a significant number of residents live in apartment buildings rather than detached houses.
Where is Thornleigh in the property cycle?
Based on our analysis, the Thornleigh property market is currently near its long-term trend. This suggests a balanced market where property values are generally in line with historical averages. It is important to note that market dynamics can shift over time.
What schools are near Thornleigh?
Thornleigh is conveniently located near several reputable schools, making it an attractive area for families. Nearby schools include Thornleigh West Public School, Normanhurst West Public School, and Pennant Hills High School. These schools offer a range of educational options for students of all ages.
What is Thornleigh like to live in?
Thornleigh offers a peaceful and family-friendly atmosphere with leafy streets and access to parks. The suburb provides a good balance between residential living and convenient access to amenities. Residents enjoy a suburban lifestyle with easy access to the city via train and major roads.
Is Thornleigh good for families?
Thornleigh is generally considered a good suburb for families due to its reputable schools, numerous parks, and relatively safe environment. The mix of houses and apartments caters to different family sizes and budgets. The suburb's convenient access to amenities and transport further enhances its appeal to families.
How far is Thornleigh from Sydney CBD?
Thornleigh is located approximately 25 kilometres northwest of the Sydney CBD. The suburb is well-connected to the city via the T9 Northern Line, providing a convenient commute for residents who work in the CBD.
What transport options are in Thornleigh?
Thornleigh offers a range of transport options for residents. The suburb is serviced by Thornleigh train station on the T9 Northern Line, providing direct access to the Sydney CBD and other major centres. Bus routes also operate throughout the suburb, and major roads such as Pennant Hills Road provide access to surrounding areas.
How does Thornleigh compare to nearby suburbs?
Compared to nearby suburbs like Pennant Hills and Westleigh, Thornleigh offers a similar mix of residential living and access to amenities. Median property prices in Thornleigh are generally comparable to these neighbouring areas. All three suburbs share a similar leafy character and family-friendly environment.
Is Thornleigh a good first home buyer suburb?
Thornleigh presents a potential option for first home buyers, particularly those seeking apartments. While the median house price is relatively high, the median apartment price of $1,100,000 provides a more accessible entry point. The suburb's consistent historical growth may appeal to buyers seeking long-term value.
What are the best streets in Thornleigh?
Some of the streets with higher median property prices in Thornleigh include WAREEMBA AVE, DARTFORD RD, and ADAMSON AVE. These streets are known for their desirable locations and attractive properties. The desirability of these streets contributes to their higher property values.
How many properties have been sold in Thornleigh?
Over the period of our analysis, there have been a total of 6,533 recorded property sales in Thornleigh. This figure represents a significant volume of transactions, reflecting the established and active nature of the suburb's property market.
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