Balgowlah Heights

NSW

Balgowlah Heights is a declining suburb in NSW with 3,546 residents.

SAL code: 10155
SA2: 122011418
Population: 3,546
LGA: Northern Beaches

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Balgowlah Heights suburb boundary

Balgowlah Heights, NSW had 3,546 residents at the 2021 Census, with the broader statistical area showing a 0.8% decline over the last five years. The predominant age group is 5-14 years, and the median age sits at 43. Households are most often couples with children, and those with a mortgage repay a median of $4,878 a month. Around 91.6% of homes are owner-occupied, with the largest single tenure being owned outright at 48.2%. Most dwellings are separate houses, making up 96.5% of the suburb's housing stock. The suburb has 6 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.

Population

3,546

Suburb · Census 2021

5-Year Growth

-0.8%

3yr: +1.6% · 10yr: -0.1%

SA2 · 5yr

Household Income

$4,687/wk

Suburb · Census 2021 median

Median Age

Suburb · Census 2021

Socio-Economic Index

10/10

SA2 · least disadvantaged

Unemployment

3.8%

SA4 · Q4 2025

Hospitals

Not available

No data for this suburb

Childcare services

1 long day, 1 OSHC

Parks & green space

Parks, reserves

Transport stops

GTFS stops

Dwelling approvals

Northern Beaches · Feb 2026

Median Weekly Rent

$2,325/wk+57.6% YoY2026 Q1

Postcode-level

Based on NSW rental bond lodgements, aggregated at postcode level. All SALs sharing this postcode show the same median.

Median House Sale Price

$4,380,000-8.1% YoY2026 Q1

House only

Source: state Valuer-General (suburb-level quarterly medians).

→ Calculate stamp duty on this suburb's median price → Estimate mortgage repayments → Calculate rental yield (price + median rent)

Safety & Crime

2025 Q4

6.5

per 1,000 residents

↑ 130%

vs prior year

Theft

8 offences

Reported incidents from NSW police. Offence rates may not reflect all crime.

Population over time — Balgowlah - Clontarf - Seaforth (SA2)

ABS publishes annual estimates only at SA2; Balgowlah Heights suburb alone is ~3,546 (Census 2021).

Growth at a Glance

3yr: +1.6%5yr: -0.8%10yr: -0.1%Total: +13.5%

Population grew from 18,445 to 20,936 over 24 years, averaging 0.5% per year.

Government school catchment

Intake zone

Primary

Balgowlah Hts PS

Secondary

NBSC Balgowlah Boys99.9%

NBSC Mackellar Girls 99.9%

Source: NSW Department of Education — School Intake Zones. Boundaries can be amended without notice; confirm with the school before relying on enrolment.

Profile

Census snapshot

ABS · 2021

Housing

Public housing 0.8%

Almost entirely detached houses (96.5%), owner-occupied (92%), built for families (47% are 4 bed).

Dwelling mix

Houses 97%

1,007 houses29 townhouses7 apartments

Tenure

Owned 48%

Mortgage 43%

Number of bedrooms

1 bed

7 (0.7%)

2 bed

40 (3.8%)

3 bed

255 (24.5%)

4 bed

488 (46.9%)

5 bed

222 (21.3%)

6+ bed

29 (2.8%)

Bushfire & flood risk

Hazard data is not yet available for NSW.

Source when available: NSW Rural Fire Service (BFPL) and NSW DPHI EPI Flood.

Planning zones

8 zones in suburb

Code	Zone	% covered	Area
R2	ZoneResidential	56.1%	0.94 km²
C1	ZoneEnvironmental	30.2%	0.51 km²
RE1	ZoneRecreation	7.6%	0.13 km²
C3	ZoneEnvironmental	2.4%	0.04 km²
SP2	ZoneSpecial use	1.6%	0.03 km²
RE2	ZoneRecreation	0.6%	9,867 m²
E1	ZoneEnvironmental	0.3%	5,174 m²
C2	ZoneEnvironmental	0.1%	1,903 m²

Source: NSW DPHI EPI Land Zoning (ZONE_NSW/2026-04-29/1eccf1a530fa1be5) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.