Cardiff Heights vs Garden Suburb
Garden Suburb is the younger of the two, with a median age of 41 against 44 in Cardiff Heights. In both, the large majority of households own their home and the large majority of homes are detached houses. In Garden Suburb, most households are couple families. Houses cost more in Garden Suburb: a median of $995,000, against $910,000 in Cardiff Heights, and rent is higher there too. On these figures, Cardiff Heights tends to suit people living alone, while Garden Suburb suits couples.
Which one suits you?
There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.
Families with school-age kids
Garden Suburb
ahead on 3 of the 6 things we measure here
- has more childcare (3 vs 0)
- is already more of a family suburb (75% vs 56%)
- has more separate houses rather than flats (100% vs 82%)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
Garden Suburb
ahead on the one thing that separates them
- leaves households under less mortgage stress (20% vs 26%)
Weighs house prices and mortgage stress.
Renters
Cardiff Heights
ahead on the one thing that separates them
- has cheaper rent ($380/wk vs $465/wk)
Weighs rent, rental stress, and how much is for rent.
Commuting to the city
Garden Suburb
ahead on 2 of the 4 things we measure here
- is more walkable (64/100 vs 46/100)
- sits closer to the CBD (149.2 km vs 153.1 km)
Weighs distance, drive time, rail access, and walkability.
Downsizers and retirees
They split
one each way, out of the 5 things we measure here
- Cardiff Heights has more units and townhouses to downsize into (18% vs 0%)
- Garden Suburb is more walkable (64/100 vs 46/100)
Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.
Where they sit
Cardiff Heights and Garden Suburb drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.
Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.
Side by side, out of 100
Risks are inverted — shown as safety and low exposure — so a longer bar always means better.
Demographics
Garden Suburb has more residents (1,959 vs 1,384); Garden Suburb has higher household incomes ($122,772 vs $96,200).
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Population | 1,384 | 1,959 +42% vs other |
| Population trend (2016 → 2021) | — | +2.6% |
| Median age | 44 | 41 |
| Median household income | $96,200/yr | $122,772/yr +28% vs other |
| Median weekly rent | $380/wk | $465/wk +22% vs other |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (13.1%).
Who lives together
Household composition, 2021 Census.
Who owns and who rents
Occupied private dwellings by tenure, 2021 Census.
Qualifications
Highest non-school qualification, residents 15+, 2021 Census.
Bars are drawn against the largest share shown (16.5%).
Where residents were born
Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.
Bars are drawn against the largest share shown (3.7%).
What people live in
Occupied private dwellings by structure, 2021 Census.
Property market
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Median house price | $910,000 | $995,000 |
| Median unit price | $460,000 | — |
| Median land price | — same for both | |
| Typical days to sell (houses) | 34 days from 4 sales | 20 days from 14 sales |
Zoning mix
Cardiff Heights has more land zoned for conservation (37% vs 15%).
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Residential | 54% | 48% |
| Environmental | 37% | 15% |
| Other and special use | 0% | 19% |
| Infrastructure and transport | 1% | 11% |
| Rural and farming | 7% | 2% |
| Parks and recreation | 2% | 5% |
| Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09. | ||
Development activity
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| New dwellings approved | 1,212 across Lake Macquarie same for both | |
| Approvals change year on year | +2% same for both | |
Gross rental yield
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Houses | — | 3.4% $775/wk on $1.2M |
| Units | — same for both | |
Ranking within NSW
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| House price | Higher than 48% of NSW same for both | |
| Income | Higher than 63% of NSW | Higher than 85% of NSW |
| Schools | — same for both | |
| Walkability | Higher than 80% of NSW | Higher than 86% of NSW |
| Affordability | Higher than 65% of NSW | Higher than 80% of NSW |
| EV adoption | Higher than 68% of NSW | Higher than 81% of NSW |
| NBN connectivity | Higher than 74% of NSW | Higher than 79% of NSW |
| Rental yield (houses) | — | Higher than 37% of NSW |
Liveability
Garden Suburb is more walkable (64 vs 46); Cardiff Heights scores higher overall (67 vs 54).
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Grade | B same for both | |
| Score | 67/100 | 54/100 |
| Socio-economic band | very advantaged area decile 9/10 same for both | |
Risk profile
Garden Suburb carries more bushfire risk (57 vs 0).
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Bushfire | None 0/100 | Moderate 57/100 |
| Crime | Low 30/100 | Low 39/100 |
| Flood | Not mapped no mapped data here same for both | |
| Coastal erosion | None 0/100 same for both | |
| Aircraft noise | None 0/100 same for both | |
| Industrial facilities nearby | 1 within 5 km same for both | |
Schools
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Inside the suburb | 0 | 1 |
| Rated above peers | 0 same for both | |
| Rated at peers | 0 same for both | |
| Rated below peers | 0 | 1 |
| Universities within 10 km | 2 The University of Newcastle (Callaghan), 5.3 km | 2 The University of Newcastle (Callaghan), 6.4 km |
| Full-time students aged 15–24 | 1.7% | 3.0% |
Schools in Cardiff Heights
No schools recorded inside this suburb's boundary. Children here will be zoned to schools nearby.
Schools in Garden Suburb
- Garden Suburb Public School Government · Primary below peers
Amenities in the suburb
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Cafes & restaurants | 1 | 0 |
| Parks & reserves | 1 | 2 |
| Childcare | 0 | 3 |
| GPs | 0 | 1 |
| Waterways | 0 | 5 |
Mobility
Cardiff Heights sits further from the CBD (153.1 km vs 149.2 km).
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Walkability score | 46/100 | 64/100 |
| Distance to Sydney | 153.1 km +3% vs other | 149.2 km |
| Drive time (normal traffic) | 115 min | 118 min |
| Public transport score | 79/100 Bus | 66/100 Bus |
| Peak arrivals per hour | 51.5 7-9am + 5-7pm | 20.2 7-9am + 5-7pm |
| Median peak wait | 1 min scheduled, not actual same for both | |
| Electric vehicle share | 0.7% postcode 2285 | 1.0% postcode 2289 |
| Rooftop solar per 100 dwellings | 50 postcode 2285 | 36 postcode 2289 |
How people get to work
Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.
Bars are drawn against the largest share shown (64.0%).
Setting
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Elevation | 50 m above sea level, at the suburb centre | 87 m above sea level, at the suburb centre |
| Distance to the ocean | 7.0 km | 5.7 km |
NBN connectivity
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Connectivity score | 66/100 | 72/100 |
| Most common technology | Fibre to the node same for both | |
| Full-fibre (FTTP) share | 38% 578 premises | 49% 700 premises |
Climate
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Annual rainfall | 1,025 mm same for both | |
| Summer max (Jan) | 25.4°C same for both | |
| Winter min (Jul) | 10.2°C same for both | |
Air quality (annual mean)
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| PM2.5 | 6.1 µg/m³ same for both | |
| PM10 | 16.5 µg/m³ same for both | |
| NO₂ | 0.53 pphm same for both | |
Council rates
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Average residential rate | $1,708/yr same for both | |
| Council | Lake Macquarie same for both | |
Federal electorate
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Division | Newcastle | Shortland |
| Member | Sharon Claydon | Pat Conroy |
| Party | Australian Labor Party same for both | |
First Home Owner Grant
| Cardiff Heights | Garden Suburb | |
|---|---|---|
| Grant amount | $10,000 same for both | |
| Property price cap | $600,000 same for both | |
| Eligibility | New same for both | |
Tags
Cardiff Heights
Garden Suburb
More comparisons
Other comparisons with Cardiff Heights
Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.