Alderley vs Bilinga
Property investment comparison - Alderley, QLD 4051 vs Bilinga, QLD 4225
Head-to-head across core investment metrics: Alderley wins 1, Bilinga wins 3. The better choice depends on whether you're optimising for cash flow, growth, affordability, or liquidity, the table below highlights the winner on each metric.
| Metric | Alderley | Bilinga |
|---|---|---|
| Median house price | $1.7M | - |
| Median unit price | $855K | - |
| Gross rental yield (houses) | 2.46% | 3.87% |
| Gross rental yield (units) | 3.71% | - |
| 1-year house growth | +12.7% | +17.1% |
| 3-year house growth | +35.9% | +22.8% |
| Vacancy rate | 1.8% | 1.7% |
| Population | 6,748 | 1,883 |
Alderley vs Bilinga: what the numbers say
On cash flow, Bilinga leads: houses there return a gross rental yield of 3.87%, compared with 2.46% in Alderley, a gap of 1.41 percentage points.
Over the past year house prices moved +12.7% in Alderley and +17.1% in Bilinga, so recent momentum favours Bilinga, although both suburbs recorded growth.
Looking back three years, Alderley houses are +35.9% and Bilinga houses +22.8%, so Alderley has compounded faster than Bilinga over the longer window.
Rental vacancy is 1.7% in Bilinga and 1.8% in Alderley, so landlords in Bilinga face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.
Alderley is the bigger suburb, with a population of 6,748 against 1,883, roughly 3.6 times the size of Bilinga; a larger suburb usually means a deeper pool of buyers and tenants.
In short: Bilinga for rental income, Bilinga for recent price momentum, Bilinga for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.
Keep exploring
- National investment guide - top suburbs across every metric
- Take the suburb finder quiz - 5 questions to match your goals
- How our investment score works
- Property investment glossary - every term defined
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