Castlereagh vs Penrith
In Castlereagh, the large majority of households own their home, the large majority of homes are detached houses, and most households are couple families. In Penrith, most households rent and about half of households are people living alone. Houses cost more in Castlereagh: a median of $3.33 million, against $993,000 in Penrith, and rent is higher there too. On these figures, Castlereagh tends to suit families with children and couples, while Penrith suits renters, young adults, and people living alone.
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
Castlereagh
ahead on 3 of the 6 things we measure here
- has more separate houses rather than flats (97% vs 36%)
- is already more of a family suburb (78% vs 39%)
- carries lower crime risk (80/100 vs 97/100)
- But Penrith has more parks and reserves (24 vs 2)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
Penrith
ahead on 2 of the 3 things we measure here
- has cheaper houses ($993,000 vs $3,330,000)
- has cheaper land ($1,120,000 vs $2,580,000)
Weighs house prices, land prices, and mortgage stress.
Renters
Penrith
ahead on 2 of the 3 things we measure here
- has a bigger rental market to choose from (63% vs 18%)
- has cheaper rent ($380/wk vs $428/wk)
- But Castlereagh leaves renters under less rental stress (18% vs 27%)
Weighs rent, rental stress, and how much is for rent.
Commuting to the city
Penrith
ahead on 3 of the 4 things we measure here
- is more walkable (93/100 vs 35/100)
- has a shorter drive in (51 min vs 59 min)
- sits closer to the CBD (58.1 km vs 65.4 km)
Weighs distance, drive time, rail access, and walkability.
Downsizers and retirees
Penrith
ahead on 3 of the 5 things we measure here
- has more units and townhouses to downsize into (64% vs 3%)
- has more GPs (15 vs 0)
- is more walkable (93/100 vs 35/100)
- But Castlereagh carries lower crime risk (80/100 vs 97/100)
Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.
Investors
Penrith
ahead on the one thing that separates them
- is growing faster (35.1% vs 6.6%)
Weighs population growth.
Where they sit
Castlereagh and Penrith 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
Penrith has more residents (17,966 vs 1,248); Castlereagh has higher household incomes ($123,240 vs $72,644).
| Castlereagh | Penrith | |
|---|---|---|
| Population | 1,248 | 17,966 +1340% vs other |
| Population trend (2016 → 2021) | +6.6% | +35.1% |
| Median age | 38 | 36 |
| Median household income | $123,240/yr +41% vs other | $72,644/yr |
| Median weekly rent | $428/wk +11% vs other | $380/wk |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (19.8%).
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 (20.8%).
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 (2.9%).
What people live in
Occupied private dwellings by structure, 2021 Census.
Property market
| Castlereagh | Penrith | |
|---|---|---|
| Median house price | $3,330,000 | $993,000 |
| Median unit price | — | $575,000 |
| Median land price | $2,580,000 | $1,120,000 |
| Typical days to sell (houses) | 122 days from 4 sales | 24 days from 114 sales |
Zoning mix
Penrith has more industrially zoned land (21% vs 0%); Castlereagh has more land zoned for conservation (23% vs 3%).
| Castlereagh | Penrith | |
|---|---|---|
| Other and special use | 65% | 14% |
| Residential | 0% | 35% |
| Environmental | 23% | 3% |
| Industrial | 0% | 21% |
| Rural and farming | 19% | 0% |
| Parks and recreation | 0% | 13% |
| Infrastructure and transport | 2% | 12% |
| Commercial | 0% | 3% |
| 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
| Castlereagh | Penrith | |
|---|---|---|
| New dwellings approved | 1,063 across Penrith same for both | |
| Approvals change year on year | -78% same for both | |
Gross rental yield
| Castlereagh | Penrith | |
|---|---|---|
| Houses | — | 3.4% $650/wk on $1M |
| Units | — | 4.8% $550/wk on $594K |
Ranking within NSW
| Castlereagh | Penrith | |
|---|---|---|
| House price | Higher than 93% of NSW | Higher than 54% of NSW |
| Income | Higher than 85% of NSW | Higher than 39% of NSW |
| Schools | Higher than 72% of NSW | Higher than 54% of NSW |
| Walkability | Higher than 77% of NSW | Higher than 98% of NSW |
| Affordability | Higher than 10% of NSW | Higher than 36% of NSW |
| EV adoption | Higher than 67% of NSW | Higher than 70% of NSW |
| NBN connectivity | Higher than 63% of NSW | Higher than 98% of NSW |
| Rental yield (houses) | — | Higher than 38% of NSW |
| Rental yield (units) | — | Higher than 58% of NSW |
Liveability
Penrith is more walkable (93 vs 35).
| Castlereagh | Penrith | |
|---|---|---|
| Grade | C same for both | |
| Score | 44/100 same for both | |
| Socio-economic band | advantaged area decile 8/10 | below-average income decile 3/10 |
Risk profile
Castlereagh carries more bushfire risk (76 vs 38); Penrith carries more crime risk (97 vs 80).
| Castlereagh | Penrith | |
|---|---|---|
| Bushfire | High 76/100 | Low 38/100 |
| Crime | High 80/100 | High 97/100 |
| 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 | 0 within 5 km | 5 within 5 km |
Schools
| Castlereagh | Penrith | |
|---|---|---|
| Inside the suburb | 3 | 4 |
| Rated above peers | 1 same for both | |
| Rated at peers | 0 | 2 |
| Rated below peers | 1 | 0 |
| Universities within 10 km | 1 Western Sydney University - Penrith, 9.5 km | 1 Western Sydney University - Penrith, 3.5 km |
| Full-time students aged 15–24 | 2.0% | 1.6% |
Schools in Castlereagh
- Castlereagh Public School Government · Primary above peers
- The Lakes Christian College Independent · Combined below peers
- Penrith Lakes Environmental Education Centre Government · Combined
Schools in Penrith
- Penrith High School Government · Secondary above peers
- Penrith Public School Government · Primary at peers
- St Nicholas of Myra Primary School Catholic · Primary at peers
- Kingswood Park Public School Government · Primary
Amenities in the suburb
| Castlereagh | Penrith | |
|---|---|---|
| Supermarkets | 0 | 7 |
| Cafes & restaurants | 3 | 73 |
| Parks & reserves | 2 | 24 |
| Childcare | 2 | 24 |
| GPs | 0 | 15 |
| Pharmacies | 0 | 12 |
| Police stations | 0 | 1 |
| Banks & Bank@Post | 0 | 12 |
| Fuel stations | 0 | 5 |
| EV chargers | 0 | 1 |
| Waterways | 12 | 7 |
Mobility
Castlereagh sits further from the CBD (65.4 km vs 58.1 km).
| Castlereagh | Penrith | |
|---|---|---|
| Walkability score | 35/100 | 93/100 |
| Distance to Sydney | 65.4 km +11% vs other | 58.1 km |
| Drive time (normal traffic) | 59 min | 51 min |
| Public transport score | 42/100 Bus | 93/100 Rail · Bus |
| Peak arrivals per hour | 12.2 7-9am + 5-7pm | 685.5 7-9am + 5-7pm |
| Median peak wait | 1 min scheduled, not actual | 0 min scheduled, not actual |
| Electric vehicle share | 0.7% postcode 2749 | 0.7% postcode 2750 |
| Rooftop solar per 100 dwellings | 49 postcode 2749 | 31 postcode 2750 |
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 (54.7%).
Setting
| Castlereagh | Penrith | |
|---|---|---|
| Elevation | 31 m above sea level, at the suburb centre | 28 m above sea level, at the suburb centre |
NBN connectivity
| Castlereagh | Penrith | |
|---|---|---|
| Connectivity score | 31/100 | 98/100 |
| Most common technology | Fixed wireless | Fibre to the premises |
| Full-fibre (FTTP) share | 1% 388 premises | 95% 11,886 premises |
Climate
| Castlereagh | Penrith | |
|---|---|---|
| Annual rainfall | 806 mm | 822 mm |
| Summer max (Jan) | — same for both | |
| Winter min (Jul) | — same for both | |
Air quality (annual mean)
| Castlereagh | Penrith | |
|---|---|---|
| PM2.5 | 7.2 µg/m³ same for both | |
| PM10 | 16.3 µg/m³ same for both | |
| NO₂ | 0.6 pphm same for both | |
Council rates
| Castlereagh | Penrith | |
|---|---|---|
| Average residential rate | $1,547/yr same for both | |
| Council | Penrith same for both | |
Federal electorate
| Castlereagh | Penrith | |
|---|---|---|
| Division | Lindsay same for both | |
| Member | Melissa Mcintosh same for both | |
| Party | Liberal same for both | |
First Home Owner Grant
| Castlereagh | Penrith | |
|---|---|---|
| Grant amount | $10,000 same for both | |
| Property price cap | $600,000 same for both | |
| Eligibility | New same for both | |
Tags
More comparisons
Other comparisons with Castlereagh
Other comparisons with Penrith
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.