Allambie Heights, NSW 2100 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Allambie Heights is a suburb of New South Wales, postcode 2100, home to 7,317 residents with an established residential profile. Located in the Northern Beaches local government area and roughly 12 km from the Sydney CBD.
Snapshot
Demographics
- Population
- 7,317
- Median age
- 43 years
- Median household income
- $2,890 /week
- Median personal income
- $1,006 /week
- Median family income
- $3,298 /week
- Average household size
- 3.0
- Persons per bedroom
- 0.9
- Local government area
- Northern Beaches
- Statistical region (SA4)
- Sydney - Northern Beaches
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Warringah
Property & cost of living
- Median rent
- $600 /week
- Median monthly mortgage
- $3,467
- Rent share of household income
- 21%
Schools
- The Beach School
- Allambie Heights Public School
- Brookvale Public School
- The Forest High School
- Beacon Hill Public School
Transport
- Within 800 m walk: 17 bus stops
- Within 1.6 km: 91 bus stops
- Allambie Rd At Kirra Rd
- Allambie Rd At Monserra Rd
- Allambie Rd After Roosevelt Av
- Allambie Rd After Kirra Rd
- Monserra Rd Opp Maneroo Av
Lifestyle & amenities
- 23 cafés
- 24 restaurants
- 1 pub or bar
- 39 parks and reserves
- 11 gyms and fitness centres
- 1 library
- 5 supermarkets
- 21 playgrounds
Climate
- Warmest month: Jan (26.0°C avg max)
- Coolest month: Jul (16.4°C avg max)
- Annual rainfall: 1211 mm
- Reference station: Sydney (Observatory Hill), 11.3 km away
NBN & connectivity
Hybrid Fibre-Coaxial serves 34.7% of the 2,717 resolvable premises in Allambie Heights. Most premises here use the existing pay-TV coaxial cable, upgraded for NBN. Plans up to NBN 1000 are typically available.
- Fibre to the Premises: 31.9%
- Fibre to the Curb: 22.7%
- Fibre to the Building: 1.3%
- Hybrid Fibre-Coaxial: 34.7%
- Fibre to the Node: 9.5%
Safety
- Recorded offences: 969 across postcode 2100 in the year to Dec 2025 (down 22% on the prior year).
- Most common categories: 505 theft, 163 violent offences, 82 other offences.
Frequently asked questions
What is the population of Allambie Heights?
Allambie Heights (NSW 2100) had 7,317 residents at the most recent ABS Census. The median age is 43. It sits within the Northern Beaches local government area.
What is the median rent in Allambie Heights?
The median advertised rent in Allambie Heights is $600/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Allambie Heights?
Yes — 5 schools are listed within or near Allambie Heights covering government sectors. Nearest include: The Beach School (0.8 km), Allambie Heights Public School (0.8 km), Brookvale Public School (1.3 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Allambie Heights?
Allambie Heights is predominantly served by Hybrid Fibre Coaxial (34.7% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Allambie Heights?
Across postcode 2100, 969 offences were recorded in the 12 months to Dec 2025. The most common offence categories were theft (505), violent (163), other (82). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Allambie Heights?
In Allambie Heights, mean daily temperatures range from 13.8°C to 21.8°C and annual rainfall is 1,211 mm measured at the Sydney (Observatory Hill) weather station (11.3 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in Allambie Heights?
91 public transport stops are mapped within 1.6 km of the Allambie Heights centroid. Within 800 m, you'll find 17 bus stops. Stop data is sourced from state government GTFS feeds.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: