Skip to main content

Alderley vs Rocksberg

Property investment comparison - Alderley, QLD 4051 vs Rocksberg, QLD 4510

Head-to-head across core investment metrics: Alderley wins 1, Rocksberg 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.

MetricAlderleyRocksberg
Median house price$1.7M-
Median unit price$855K$660K
Gross rental yield (houses)2.46%2.00%
Gross rental yield (units)3.71%4.27%
1-year house growth+12.7%-
3-year house growth+35.9%-
Vacancy rate1.8%0.7%
Population6,748277

Alderley vs Rocksberg: what the numbers say

For units, Alderley sits at a median of $855K against $660K in Rocksberg, which makes Rocksberg the more affordable unit market and Alderley the pricier one.

On cash flow, Alderley leads: houses there return a gross rental yield of 2.46%, compared with 2.00% in Rocksberg, a gap of 0.46 percentage points.

Rental vacancy is 0.7% in Rocksberg and 1.8% in Alderley, so landlords in Rocksberg 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 277, roughly 24 times the size of Rocksberg; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Alderley for rental income, Rocksberg for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.

Keep exploring

Compare any 2-4 Australian suburbs

Build your own multi-suburb comparison with the full interactive tool.

Open interactive comparison
Alderley vs Rocksberg: Property Investment Comparison (2026)