NSW · Hornsby Council
Mount Colah, NSW, 2079
Desirability index
#61 among Metro Sydney suburbs
Suburb snapshot
Mount Colah is a smaller suburban community in the Hornsby area, home to around 7,816 residents (2021 Census). Recent indicators show 99 offences in Jan 2025 to Dec 2025 with falling year-on-year trends (-40%), roughly 12.7 offences per 1,000 residents, median weekly rent around $730 (flats $610, houses $850), 1 school and preschool site in the area, strong public transport coverage with many public transport stops, a higher concentration of local shops, services, and recreation amenities, and notable planning and development activity on record. Snapshot data also shows parks or public open space within the suburb and hospitals or GP clinics within the suburb.
Population
- Population
- 7,816
- Median age
- 40
- Median household income / week
- $2,505
- Dwelling vacancy
- 3.6%
- Unoccupied private dwellings
- 101 of 2,768
- Median monthly mortgage
- $2,544
- Employment rate
- 67.4%
- Dwelling mix (houses / semi / flats)
- 153 / 100 / 328
Data sources & freshness
- 2021 Census — General Community Profile — Australian 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)
- $610
- Houses (January to March 2026)
- $850
- All types (January to March 2026)
- $730
- Rental bonds lodged (January to March 2026)
- 37
Median weekly rent from NSW DCJ rent tables. Figures can be unreliable where few bonds were lodged in the quarter.
Data sources & freshness
- DCJ rent tables — NSW Department of Communities and Justice · Period: January to March 2026 · Updated on site · Quarterly releases
Crime & safety
- Total offences (Jan 2025 to Dec 2025)
- 99
- Against the person
- 34
- Against property
- 46
- Rate per 1,000 residents
- 12.7
- Person-crime prevalence
- About 1 in 230 residents
- State safety percentile
- 0.1th (lower crime is better)
- Year-on-year change
- -40%
Most common offence types
- Domestic Violence Related Assault10
- Fraud10
- Intimidation, Stalking And Harassment11
- Malicious Damage To Property17
- Transport Regulatory Offences10
Data sources & freshness
- BOCSAR postcode crime statistics — NSW 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
- 1
- Median school ICSEA
- 1,098
- Mount Colah Public SchoolPrimary
Data sources & freshness
- ACARA school locations — Australian Curriculum, Assessment and Reporting Authority · Period: 2025 · Updated on site · Annual ACARA release
- School ICSEA scores — Australian Curriculum, Assessment and Reporting Authority · Period: 2025 · Updated on site · Annual ACARA release
Public transport
161 public transport stops in this suburb
- FTB Pacific Hwy
- FTB Pierre Cl
- Mount Colah Station
- STR Pacific Hwy
- STR/LFT To P1/2
Data sources & freshness
- GTFS public transport stops — State transport authority open-data feeds · Period: current · Updated on site · GTFS static feed
Planning & development
Development applications from NSW Planning Portal (lodged 2020–2026).
220 planning-related records
2026· 12 proposals
June 2026
- Dwelling house; Alterations or additions to an existing building or structure7 MURRALONG ROAD MOUNT COLAH 2079Additional Information Requested
- Alterations or additions to an existing building or structure; Residential Accommodation3 LANDRA AVENUE MOUNT COLAH 2079Determined
May 2026
- Demolition; Dwelling house; Subdivision; Erection of a new structure; Residential Accommodation3 FLORA AVENUE MOUNT COLAH 2079Under Assessment
- Secondary dwelling; Erection of a new structure21 NORTHUMBERLAND AVENUE MOUNT COLAH 2079Under Assessment
- Demolition; Dwelling house; Erection of a new structure1 LORD STREET MOUNT COLAH 2079Under Assessment
April 2026
- Alterations or additions to an existing building or structure; Minor building alterations (external)3 PARKLANDS ROAD MOUNT COLAH 2079Determined
- Secondary dwelling; Dwelling house; Erection of a new structure19A NORTHUMBERLAND AVENUE MOUNT COLAH 2079Additional Information Requested
March 2026
- Demolition; Dwelling house; Subdivision; Residential Accommodation31 RUPERT STREET MOUNT COLAH 2079Under Assessment
- Dwelling house; Erection of a new structure1 KU-RING-GAI CHASE ROAD MOUNT COLAH 2079Withdrawn
February 2026
- Signage; Advertising and signage19-21 TELOPEA STREET MOUNT COLAH 2079Determined
- Dwelling house; Change of use of land or a building or the classification of a building under the Building Code of Australia19 NORTHUMBERLAND AVENUE MOUNT COLAH 2079Determined
January 2026
- Secondary dwelling; Erection of a new structure21 NORTHUMBERLAND AVENUE MOUNT COLAH 2079Determined
2025· 27 proposals
December 2025
- Alterations or additions to an existing building or structure; Residential Accommodation44 LANDRA AVENUE MOUNT COLAH 2079Determined
- Dwelling house; Alterations or additions to an existing building or structure46B LADY STREET MOUNT COLAH 2079Determined
- Dwelling house; Erection of a new structure14 WILLARONG ROAD MOUNT COLAH 2079Determined
November 2025
- Dwelling house; Alterations or additions to an existing building or structure23 NORTH STREET MOUNT COLAH 2079Determined
- Attached dwelling; Alterations or additions to an existing building or structure11 10 PLAYFAIR ROAD MOUNT COLAH 2079Determined
- Alterations or additions to an existing building or structure; Earthworks, retaining walls and structural support; Supporting Development7 BURRA CLOSE MOUNT COLAH 2079Determined
October 2025
- Erection of a new structure; Driveways and hard stand spaces; Shade structures of canvas, fabric, mesh or the like23 AMAROO AVENUE MOUNT COLAH 2079Determined
- Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation4 FLINDERS PLACE MOUNT COLAH 2079Determined
- Demolition; Erection of a new structure; Dual occupancy (attached)647 PACIFIC HIGHWAY MOUNT COLAH 2079Determined
September 2025
- Erection of a new structure; Dual occupancy (detached)2 VARNA STREET MOUNT COLAH 2079Determined
- Subdivision41 BEROWRA ROAD MOUNT COLAH 2079Determined
- Dwelling house; Alterations or additions to an existing building or structure12 FOXGLOVE ROAD MOUNT COLAH 2079Determined
August 2025
- Demolition; Subdivision; Erection of a new structure; Residential Accommodation3 FLORA AVENUE MOUNT COLAH 2079Determined
- Alterations or additions to an existing building or structure; Carport; Swimming pool6 KU-RING-GAI CHASE ROAD MOUNT COLAH 2079Determined
- Subdivision27 LORD STREET MOUNT COLAH 2079Determined
July 2025
- Subdivision21 BEROWRA ROAD MOUNT COLAH 2079Withdrawn
June 2025
- Subdivision1 Kuring-Gai Chase Road, Mount ColahDetermined
May 2025
- Subdivision46-52 BERYL AVENUE MOUNT COLAH 2079Determined
March 2025
- Secondary dwelling; Erection of a new structure1 POINCIANA CLOSE MOUNT COLAH 2079Determined
- Restaurant or cafe; Change of use of land or a building or the classification of a building under the Building Code of Australia; Hours of operation and trading527-531 PACIFIC HIGHWAY MOUNT COLAH 2079Determined
- Subdivision15 VARNA STREET MOUNT COLAH 2079Determined
- Erection of a new structure; Balcony, deck, patio, terrace or verandah; Swimming pool16 PARKLANDS ROAD MOUNT COLAH 2079Determined
February 2025
- Dwelling house; Erection of a new structure42 PARKLANDS ROAD MOUNT COLAH 2079Determined
- Dwelling house; Erection of a new structure29 MURRALONG ROAD MOUNT COLAH 2079Determined
- Erection of a new structure; Swimming pool1 WONGA ROAD MOUNT COLAH 2079Determined
- Subdivision2 HILLSIDE PARADE MOUNT COLAH 2079Determined
- Dwelling house; Erection of a new structure42B BERYL AVENUE MOUNT COLAH 2079Determined
2024· 27 proposals
December 2024
- Alterations or additions to an existing building or structure; Swimming pool14 FLINDERS PLACE MOUNT COLAH 2079Determined
2023· 43 proposals
43 proposals lodged in 2023. Individual listings are kept for the most recent proposals.
2022· 38 proposals
38 proposals lodged in 2022. Individual listings are kept for the most recent proposals.
2021· 56 proposals
56 proposals lodged in 2021. Individual listings are kept for the most recent proposals.
2020· 17 proposals
17 proposals lodged in 2020. Individual listings are kept for the most recent proposals.
Data sources & freshness
- Online DA development application register — NSW Department of Planning, Housing and Infrastructure · Period: 2020; 2020–2026; 2021… · Updated on site · Daily open-data feed (applications from Oct 2018)
Amenities
89 nearby amenities within ~1.5 km
- LiquorlandAlcohol
601A Pacific Highway
- Next PaymentsATM
- Bbq
- 01Bench
- 02Bench
- Bench (8)
- Bicycle Parking (2)
- Beryl Av after Livingstone PlBus stop
- Beryl Av after Stonehaven RdBus stop
- Beryl Av at Flinders PlBus stop
Names and addresses from OpenStreetMap. Unnamed venues show as their type (e.g. Cafe).
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Parks & reserves
6 parks and public open space in this suburb
- Berry ParkPark
- Hunt ReservePark
- Orchard ParkPark
- Orr ParkPark
- Oxley ReservePark
- Parklands OvalPark
Data sources & freshness
- Parks & reserves — State government + ABS LGA boundaries · Period: current · Updated on site
Health access
- Hospitals & GP clinics
- 2
- Emergency department
- Not in suburb
- Mt Colah Pharmacypharmacy
- Summers Avenue (Mt Colah) Family Medical Practicedoctor
Data sources & freshness
- Hospitals & clinics — OpenStreetMap + state health datasets · Period: current · Updated on site
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.
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 SEIFA release
Hazards
- Bushfire planning zone
- Overlay applies
Bushfire overlay checked at suburb centroid via NSW bush fire prone land mapping.
Data sources & freshness
- Hazard planning overlays — State government hazard layers · Period: current · Updated on site
Green cover
- Parks & woodland (OSM)
- 14
- Parks (OSM)
- 10
OpenStreetMap parks and natural woodland features mapped within the suburb boundary.
Data sources & freshness
- OpenStreetMap green cover features — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Desirability index
- Desirability score
- 90.9/100
- Cohort rank
- #61 among Metro Sydney suburbs
Data sources & freshness
- Suburb Guide desirability index — Suburb Guide (derived score) · Period: current · Updated on site · Derived from source metrics
Recent changes
- FTB Pacific Hwytransport
- FTB Pierre Cltransport
- Mount Colah Stationtransport
- STR Pacific Hwytransport
- STR/LFT To P1/2transport
- Mt Colah Pharmacyhealthpharmacy
- Summers Avenue (Mt Colah) Family Medical Practicehealthdoctor
- Berry Parkgovernmentpark
- Hunt Reservegovernmentpark
- Orchard Parkgovernmentpark
Data sources & freshness
- Parks & reserves — State government + ABS LGA boundaries · Updated on site
- Hospitals & clinics — OpenStreetMap + state health datasets · Updated on site
- GTFS public transport stops — State transport authority open-data feeds · Updated on site · GTFS static feed
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