Clontarf, NSW
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 1,746
- Median age
- 47
- Household income
- $4,609/wk
- Owner-occupied
- 91%
- Renting
- 8%
- Socio-economic advantage
- Decile 10/10 in NSW
- Nearest train station
- Crows Nest Station · 5.7 km
- Nearest emergency dept
- Royal North Shore Hospital · 6.3 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
Property market — real sales
Median house (5 yr)
$4.94m
Median unit (5 yr)
$2.06m
Sales (5 yr)
115
Sales (12 mths)
9
Recorded transactions, NSW Valuer General Property Sales Information (CC BY 4.0). Recent weeks may not be registered yet.
Community safety
45 recorded incidents in 2025 · up 25.0% vs 2024
School catchments (suburb centre)
Primary
Balgowlah Hts PS
Secondary
NBSC Balgowlah Boys
Secondary
NBSC Mackellar Girls
Secondary
The Forest HS
Zones at the suburb's address centroid — individual addresses can differ; check any address on PropertyCheck for its exact zones. Source: state education departments (CC BY).
Growth & supply · Balgowlah - Clontarf - Seaforth
District population (2025)
20,936
-0% over 10 years
New homes approved (12 mths to May 2026)
65
houses 25 · other 40
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
Sold prices by street
Every recorded transaction, free — the most-traded streets in Clontarf:
- Cutler Road (118)
- Peronne Avenue (101)
- Gordon Street (98)
- Alma Street (53)
- Monash Crescent (43)
- Amiens Road (42)
- Barrabooka Street (41)
- Moore Street (41)
- Ogilvy Road (37)
- Allenby Street (26)
- Beatrice Street (23)
- Linkmead Avenue (22)
Check any address in Clontarf
Free value estimate with the comparable evidence behind it — no paywall, no sign-up.
All figures from official open data with attribution; estimates and medians are statistical outputs, not valuations. Suburb boundaries follow ABS Suburbs and Localities (SAL) 2021.