Cardiff Heights, NSW
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 1,384
- Median age
- 44
- Household income
- $1,850/wk
- Owner-occupied
- 78%
- Renting
- 16%
- Socio-economic advantage
- Decile 8/10 in NSW
- Nearest train station
- Cardiff Station · 1.3 km
- Nearest emergency dept
- John Hunter Hospital · 2.2 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)
$885k
Median unit (5 yr)
$470k
Sales (5 yr)
104
Sales (12 mths)
11
Recorded transactions, NSW Valuer General Property Sales Information (CC BY 4.0). Recent weeks may not be registered yet.
Community safety
28 recorded incidents in 2025 · up 21.7% vs 2024
School catchments (suburb centre)
Primary
Wallsend SPS
Secondary
Lambton 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 · Glendale - Cardiff - Hillsborough
District population (2025)
25,569
+7% over 10 years
New homes approved (12 mths to May 2026)
63
houses 45 · other 18
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 Cardiff Heights:
- Main Road (215)
- Wallsend Road (85)
- Reservoir Road (76)
- Rowes Lane (59)
- Currawong Road (47)
- Nadrian Close (29)
- Dewrang Street (23)
- Kristen Close (22)
- Highfield Terrace (17)
- Serbin Close (15)
- Christina Street (14)
- Cockburns Lane (12)
Check any address in Cardiff Heights
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.