NSW · Hornsby Council

Thornleigh, 2120

Current weather

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55% humidity · 16.4 km/h wind · 21.1° / 13.5° today · 2.8 mm rain

Updated

Desirability score

73.6/100
Excellent

Top 2% of New South Wales' suburbs

78% data confidence

How this score is calculated
  • High desirability
  • Green suburb
  • Excellent transport
  • Cycling
  • Dog friendly
What Thornleigh is known for: High desirability, Green suburb, Excellent transport, Cycling, Dog friendly

Suburb profile

Thornleigh is a well-connected established suburb in Hornsby with everyday amenities close at hand. Well placed between the city and outer suburbs, it offers practical access in every direction. Generous greenery runs through the area, from street trees to tucked-away reserves.

Residents are mostly families and working professionals, with family life visible on every street. Daily life is practical and well connected, with the city and nearby suburbs easy to tap into. Green space is a real strength, with parks and playgrounds woven through the suburb.

Getting around the metro area is straightforward, with transport tying neighbouring communities together. Homes here are sought-after, with many people drawn to the lifestyle the area offers.

On the desirability index, the suburb rates excellent overall, led by parks and green space and community and employment, while local dining and lifestyle amenities and transport and access sit closer to the middle of the pack for similar metro suburbs.

Population

Population
8,898
Median age
40
Median household income / week
$2,681
Dwelling vacancy
4.1%
Unoccupied private dwellings
126 of 3,097
Median monthly mortgage
$2,800
Employment rate
64.1%
Dwelling mix (houses / semi / flats)
166 / 462 / 237

Contributes to desirability score · Community (5%)

Employment, household income and age diversity (2021 Census)

Data sources & freshness

  • 2021 Census — General Community ProfileAustralian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

Housing

Flats / units (January to March 2026)
$625
Houses (January to March 2026)
$900
All types (January to March 2026)
$830
Rental bonds lodged (January to March 2026)
109

Median weekly rent from NSW DCJ rent tables. Figures can be unreliable where few bonds were lodged in the quarter.

Contributes to desirability score · Housing (15%) · Future Growth (7%)

Median price, rental yield and vacancy Recent price momentum

Data sources & freshness

Crime & safety

Total offences (Jan 2025 to Dec 2025)
221
Against the person
45
Against property
115
Rate per 1,000 residents
24.8
Person-crime prevalence
About 1 in 198 residents
State safety percentile
3.7th (lower crime is better)
Decrease (daily rate)
-9.5%

Reported offences decreased compared with the previous period.

Reported offences by period

Most common offence types

  • Fraud90
  • Intimidation, Stalking And Harassment40
  • Malicious Damage To Property53
  • Steal From Retail Store29
  • Transport Regulatory Offences73

Contributes to desirability score · Safety (18%)

Crime rate and year-on-year trend

Data sources & freshness

  • BOCSAR postcode crime statisticsNSW Bureau of Crime Statistics and Research · Period: Jan 2024 to Dec 2024 → Jan 2025 to Dec 2025; Jan 2025 to Dec 2025 · Updated on site · Rolling 12-month windows

Schools & preschools

Schools & preschools
2
Median school ICSEA (2 schools)
1,139
  • Normanhurst West Public SchoolPrimary
  • Thornleigh West Public SchoolPrimary

Contributes to desirability score · Education (15%)

School and preschool counts, median school ICSEA

Data sources & freshness

Public transport

180 public transport stops in this suburb

  • Pennant Hills Rd After Loch Maree Av
  • Pennant Hills Rd At Railway Pde
  • Pennant Hills Rd At Station St
  • Pennant Hills Rd Before Trelawney St
  • Pennant Hills Rd Opp Nelson St

Contributes to desirability score · Accessibility (15%)

Public transport stop coverage

Data sources & freshness

  • Timetables Complete GTFS stops (© Transport for NSW, CC BY 4.0)Transport for NSW — Open Data Hub · Period: current · Updated on site · GTFS static feed (updated nightly)

Planning & development

Development applications from NSW Planning Portal (lodged 2020–2026).

338 planning-related records

2026· 21 proposals
  • June 2026

  • Demolition; Subdivision
    52 DUFFY AVENUE THORNLEIGH 2120Additional Information Requested
  • Subdivision
    38 DUFFY AVENUE THORNLEIGH 2120Additional Information Requested
  • Demolition; Dwelling house
    17 MORGAN STREET THORNLEIGH 2120Under Assessment
  • Dual occupancy; Demolition; Erection of a new structure; Dual occupancy (detached); Residential Accommodation
    11 ADAMSON AVENUE THORNLEIGH 2120Additional Information Requested
  • May 2026

  • Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure
    8 COOLABAH CLOSE THORNLEIGH 2120Determined
  • Dwelling house; Erection of a new structure
    23 VALE ROAD THORNLEIGH 2120Additional Information Requested
  • April 2026

  • Demolition; Erection of a new structure; Dual occupancy (attached)
    73 DUFFY AVENUE THORNLEIGH 2120Under Assessment
  • Signage; Advertising and signage; Advertising structure
    200-206 PENNANT HILLS ROAD THORNLEIGH 2120Determined
  • Demolition; Dwelling house; Erection of a new structure
    50A THE ESPLANADE THORNLEIGH 2120Determined
  • March 2026

  • Dwelling house; Alterations or additions to an existing building or structure
    1 JUDSON ROAD THORNLEIGH 2120Determined
  • Dwelling house; Alterations or additions to an existing building or structure
    46 WAREEMBA AVENUE THORNLEIGH 2120Determined
  • Place of public worship; Change of use of land or a building or the classification of a building under the Building Code of Australia
    3 3-5 CHILVERS ROAD THORNLEIGH 2120Under Assessment
  • Dwelling house; Alterations or additions to an existing building or structure
    28 EDMUNDSON CLOSE THORNLEIGH 2120Determined
  • Dual occupancy; Demolition; Subdivision; Erection of a new structure; Dual occupancy (attached)
    8 TILLOCK STREET THORNLEIGH 2120Under Assessment
  • February 2026

  • Dwelling house; Alterations or additions to an existing building or structure
    50 DUFFY AVENUE THORNLEIGH 2120Determined
  • Restaurant or cafe; Food and drink premise; Hours of operation and trading
    182 PENNANT HILLS ROAD THORNLEIGH 2120Determined
  • January 2026

  • Dwelling house; Erection of a new structure
    15 DARTFORD ROAD THORNLEIGH 2120Determined
  • Secondary dwelling; Demolition; Dwelling house; Erection of a new structure
    35 STATION STREET THORNLEIGH 2120Determined
  • Dwelling house; Alterations or additions to an existing building or structure
    18 ADAMSON AVENUE THORNLEIGH 2120Determined
  • Dwelling house; Erection of a new structure
    67 BERESFORD ROAD THORNLEIGH 2120Determined
  • Dual occupancy; Alterations or additions to an existing building or structure; Dual occupancy (attached); Residential Accommodation
    15 BERESFORD ROAD THORNLEIGH 2120Determined
2025· 19 proposals
  • December 2025

  • Alterations or additions to an existing building or structure; Earthworks, retaining walls and structural support
    24 MORGAN STREET THORNLEIGH 2120Determined
  • Commercial development; Alterations or additions to an existing building or structure
    21-31 CENTRAL AVENUE THORNLEIGH 2120Determined
  • Dwelling house; Alterations or additions to an existing building or structure
    16 COOLABAH CLOSE THORNLEIGH 2120Determined
  • Change of use of land or a building or the classification of a building under the Building Code of Australia; Light industry
    6 LYMOORE AVENUE THORNLEIGH 2120Deferred Commencement
  • November 2025

  • Demolition; Dwelling house; Erection of a new structure
    50A THE ESPLANADE THORNLEIGH 2120Determined
  • Restaurant or cafe; Advertising and signage; Alterations or additions to an existing building or structure; Food and drink premise
    182 PENNANT HILLS ROAD THORNLEIGH 2120Determined
  • October 2025

  • Change of use of land or a building or the classification of a building under the Building Code of Australia; Recreation facility (indoor)
    7 PIONEER AVENUE THORNLEIGH 2120Operational consent issued
  • Demolition; Dwelling house; Erection of a new structure; Residential Accommodation
    54 GOODLANDS AVENUE THORNLEIGH 2120Determined
  • Erection of a new structure; Medical centre; Change of use of land or a building or the classification of a building under the Building Code of Australia; Health services facility
    22 THE ESPLANADE THORNLEIGH 2120Determined
  • Demolition; Dwelling house; Alterations or additions to an existing building or structure
    83 WAREEMBA AVENUE THORNLEIGH 2120Determined
  • September 2025

  • Demolition
    34 HILLMONT AVENUE THORNLEIGH 2120Determined
  • Demolition; Subdivision
    56 THE ESPLANADE THORNLEIGH 2120Determined
  • Dwelling house; Alterations or additions to an existing building or structure
    28 EDMUNDSON CLOSE THORNLEIGH 2120Determined
  • Dual occupancy; Demolition; Erection of a new structure; Dual occupancy (detached); Residential Accommodation
    11 ADAMSON AVENUE THORNLEIGH 2120Determined
  • Dwelling house; Erection of a new structure
    34 HILLMONT AVENUE THORNLEIGH 2120Determined
  • Signage; Advertising and signage; Advertising structure
    200-206 PENNANT HILLS ROAD THORNLEIGH 2120Determined
  • Demolition; Erection of a new structure; Dual occupancy (attached)
    73 DUFFY AVENUE THORNLEIGH 2120Withdrawn
  • August 2025

  • Change of use of land or a building or the classification of a building under the Building Code of Australia; General industry
    11 SEFTON ROAD THORNLEIGH 2120Determined
  • Advertising and signage; Alterations or additions to an existing building or structure; Change of use of land or a building or the classification of a building under the Building Code of Australia; Recreation facility (indoor)
    35E SEFTON ROAD THORNLEIGH 2120Determined

Contributes to desirability score · Future Growth (7%)

Development and planning activity

Data sources & freshness

Amenities

262 nearby amenities within ~1.5 km

  • Dan Murphy'sAlcohol

    2-12 The Comenarra Parkway

  • Oxford BathroomsBathroom Furnishing
  • Bench (27)
  • CyclesportBicycle
  • Bicycle Parking (2)
  • Bike Lockers - Thornleigh Station, Railway PdeBicycle Parking
  • 31 Wareemba AvBus stop
  • 36 Norman AvBus stop
  • 62 Norman AvBus stop
  • 79 Wareemba AvBus stop

Names and addresses from OpenStreetMap. Unnamed venues show as their type (e.g. Cafe).

Contributes to desirability score · Lifestyle (15%)

Food, shopping, recreation and sport (OpenStreetMap)

Data sources & freshness

  • OpenStreetMap amenitiesOpenStreetMap contributors · Period: current · Updated on site · Weekly refresh

Parks & reserves

8 parks and public open space in this suburb

  • Brickpit ParkPark
  • Hawkins HallPark
  • Headen ParkPark
  • Janet ParkPark
  • Oakleigh ParkPark
  • The Esplanade GardenPark
  • Thornleigh ParkPark
  • Wanawong Drive ParkPark

Data sources & freshness

Socio-economic (SEIFA)

IRSAD decile (2021)
10/10
IRSD decile (2021)
10/10

SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.

Contributes to desirability score · Community (5%)

Socio-economic advantage (IRSAD decile)

Data sources & freshness

Hazards

Bushfire planning zone
No overlay at centroid

Bushfire overlay checked at suburb centroid via NSW bush fire prone land mapping.

Contributes to desirability score · Safety (18%)

Bushfire hazard overlays

Data sources & freshness

  • Hazard planning overlaysState government hazard layers · Period: current · Updated on site

Green cover

Parks & woodland (OSM)
27
Parks (OSM)
15

OpenStreetMap parks and natural woodland features mapped within the suburb boundary.

Contributes to desirability score · Environment (10%)

Parks and green cover (OpenStreetMap)

Data sources & freshness

  • OpenStreetMap green cover featuresOpenStreetMap contributors · Period: current · Updated on site · Weekly refresh

Desirability Index

Desirability score
73.6/100 — Excellent
State standing
Top 2% of New South Wales' suburbs
National rank
84th in Australia
State rank
31st in NSW
Peer rank
#14 among Metro Sydney · Established suburbs
Cohort rank
#19 among Metro Sydney suburbs
Data confidence
78%

Data sources & freshness

  • Suburb Guide desirability indexSuburb Guide (derived score) · Period: current · Updated on site · Derived from source metrics

Recent changes

  • 31 Wareemba Avamenitiesbus_stop
  • 36 Norman Avamenitiesbus_stop
  • 62 Norman Avamenitiesbus_stop
  • 79 Wareemba Avamenitiesbus_stop
  • ALDIamenitiessupermarket
  • Ashleigh Lodgeamenitiesnursing_home
  • Australia Postamenitiespost_box
  • Benchamenitiesbench
  • Benchamenitiesbench
  • Benchamenitiesbench

Data sources & freshness

More in Hornsby Council

Other suburbs in the same local government area.

Comparable suburbs

Similar population and socio-economic profile in other parts of New South Wales.