Cardiff Heights

NSW

Cardiff Heights is a growing suburb in NSW with 1,384 residents.

SAL code: 10809
SA2: 111011209
Population: 1,384
LGA: Lake Macquarie

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Cardiff Heights suburb boundary

Cardiff Heights, NSW had 1,384 residents at the 2021 Census, with the broader statistical area showing a 3.8% growth over the last five years. The predominant age group is 35-44 years, and the median age sits at 44. Households are most often couples with children, and those with a mortgage repay a median of $2,050 a month. Around 83.5% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 42.1%. Most dwellings are separate houses, making up 82.4% of the suburb's housing stock. The suburb has 2 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

1,384

Suburb · Census 2021

5-Year Growth

+3.8%

3yr: +2.3% · 10yr: +6.7%

SA2 · 5yr

Household Income

$1,850/wk

Suburb · Census 2021 median

Median Age

Suburb · Census 2021

Socio-Economic Index

6/10

SA2 · middle-range

Unemployment

3.9%

SA4 · Q4 2025

Hospitals

Not available

No data for this suburb

Childcare services

Not available

No data for this suburb

Parks & green space

Parks, reserves

Transport stops

GTFS stops

Dwelling approvals

104

Lake Macquarie · Feb 2026

Median Weekly Rent

$660/wk+1.5% 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

$1,108,000+48.7% YoY2025 Q4

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

9.4

per 1,000 residents

↑ 225%

vs prior year

Theft

5 offences

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

Population over time — Glendale - Cardiff - Hillsborough (SA2)

ABS publishes annual estimates only at SA2; Cardiff Heights suburb alone is ~1,384 (Census 2021).

Growth at a Glance

3yr: +2.3%5yr: +3.8%10yr: +6.7%Total: +11.4%

Population grew from 22,959 to 25,569 over 24 years, averaging 0.4% per year.

Government school catchment

Intake zone

Primary

Cardiff NPS54.3%

Wallsend SPS 37.6%
Garden Suburb PS 5.4%
Elermore Vale PS 2.6%
Glendale EPS 0.0%

Secondary

Cardiff HS59.7%

Lambton HS 37.6%
Glendale Technology HS 2.6%

Infants

New Lambton Hts IS

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

Almost entirely detached houses (82.4%), owner-occupied (84%).

Dwelling mix

Houses 82%

Townhouses 18%

434 houses93 townhouses

Tenure

Owned 41%

Mortgage 42%

Renting 17%

Number of bedrooms

1 bed

19 (3.6%)

2 bed

99 (18.8%)

3 bed

202 (38.3%)

4 bed

157 (29.8%)

5 bed

39 (7.4%)

6+ bed

11 (2.1%)

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

6 zones in suburb

Code	Zone	% covered	Area
R2	ZoneResidential	53.5%	0.67 km²
C4	ZoneEnvironmental	33.1%	0.41 km²
RU4	ZoneRural	6.6%	0.08 km²
C2	ZoneEnvironmental	4.3%	0.05 km²
RE1	ZoneRecreation	1.9%	0.02 km²
SP2	ZoneSpecial use	0.6%	6,997 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.