Overall score
Castlereagh
39.9/100
Penrith
69.0/100
Castlereagh for retirees and investment; Penrith for families and value.
See which suburb leads on livability, safety, schools, and lifestyle.
Head to head
Overall score
Castlereagh
39.9/100
Penrith
69.0/100
Crime rate
Castlereagh
52.4 / 1k
Penrith
154.3 / 1k
Nearby amenities
Castlereagh
15
Penrith
1,109
Population
Castlereagh
1,248
Penrith
17,966
Desirability pillars scored 0–100 vs comparable suburbs
Clearer edge on lifestyle fit (score gap ≥ 3)
Who each suburb suits — composite scores out of 100
Side-by-side scores for every compared metric.
Exact figures for every metric — winner highlighted in bold.
| Category | Castlereagh | Penrith |
|---|---|---|
| Overall score | 39.9/100 | 69.0/100 |
| Housing (desirability) | 40.2/100 | 25.1/100 |
| Crime rate | 52.4 / 1k | 154.3 / 1k |
| Schools & preschools | 1 | 5 |
| Parks & reserves | 2 | 23 |
| Public transport stops | 25 | 280 |
| Walkability | 30.0/100 | 100.0/100 |
| Nearby amenities | 15 | 1,109 |
| Planning activity | 12 | 60 |
| Population | 1,248 | 17,966 |
| SEIFA (IRSAD decile) | 8/10 | 3/10 |
Put side by side, Castlereagh is a well-connected metro smaller community with a familiar suburban feel, and Penrith is a well-serviced metro established suburb with plenty happening nearby. Castlereagh sits further out with more breathing room, whereas Penrith is in a middle-ring position.
On the data, Castlereagh is stronger for housing affordability and a quieter safety profile; Penrith answers with schools and education options and parks and reserves. Castlereagh generally means more sought-after housing, while Penrith leans toward more approachable housing costs.
Retirees and investors may find Castlereagh the better fit, while families and value-focused buyers are more likely to prefer Penrith.