True Cost of Buying in Thornleigh

2120 NSW · 25km to CBD

Stable

Market Intelligence

Thornleigh is an established family-oriented suburb located 25km northwest of Sydney CBD in the Upper North Shore region. With a population of 8,200 and median age of 42, it attracts professionals and families seeking quality education, transport connectivity, and a balanced lifestyle. The suburb features predominantly detached houses (72%) on generous blocks with a median land size of 680sqm. Thornleigh Railway Station provides direct CBD access via the T1 Northern Line, while proximity to quality schools including Thornleigh Public School and Normanhurst Boys High School drives strong demand. The median house price of $1,450,000 reflects its desirable location, though it remains more affordable than premium North Shore suburbs. Community amenities include Thornleigh Marketplace, recreational facilities at Thornleigh Oval, and close access to Ku-ring-gai Chase National Park. With 45% professional workers, 42% university-educated residents, and strong infrastructure connectivity, Thornleigh represents a well-established suburb offering family-friendly living with solid investment fundamentals and consistent growth potential in the competitive North Shore market.

Direct train access to Sydney CBD via T1 Northern LineProximity to highly-rated public and private schoolsEstablished family-friendly community with quality amenitiesClose to national parks and recreational facilitiesStrong professional demographic with stable employment

Market Snapshot

Median House

$1.4M

+4.2% 1yr

Median Apartment

$680K

+3.8% 1yr

Median Townhouse

$950K

Vacancy Rate

1.8%

42 avg DOM

Yield (Apartment)

4.1%

Yield (House)

3.2%

Auction Clearance

72%

Population

8,200

True Cost Breakdown

Based on median prices · 20% deposit · 6.5% interest · 30-year term · Owner-occupier

Apartment

$4,480/mo

Purchase Price

$680,000

Stamp Duty

$25,130

1st Year Total

$53,756

House

$8,361/mo

Purchase Price

$1,450,000

Stamp Duty

$62,160

1st Year Total

$100,334

Townhouse

$5,646/mo

Purchase Price

$950,000

Stamp Duty

$37,280

1st Year Total

$67,748

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Community Profile

Median Income

$95,000

Median Age

42

Family Households

58%

Owner-Occupied

68%

Walkability

65/100

Public Transport

8/10

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