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Allenby Gardens vs Semaphore South

Property investment comparison - Allenby Gardens, SA 5009 vs Semaphore South, SA 5019

Head-to-head across core investment metrics: Allenby Gardens wins 1, Semaphore South wins 2. 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.

MetricAllenby GardensSemaphore South
Median house price$1.2M-
Median unit price$920K-
Gross rental yield (houses)3.28%-
Gross rental yield (units)-4.20%
1-year house growth+8.0%+9.1%
3-year house growth+33.1%+49.6%
Vacancy rate0.3%2.0%
Population2,0451,031

Allenby Gardens vs Semaphore South: what the numbers say

Over the past year house prices moved +8.0% in Allenby Gardens and +9.1% in Semaphore South, so recent momentum favours Semaphore South, although both suburbs recorded growth.

Looking back three years, Allenby Gardens houses are +33.1% and Semaphore South houses +49.6%, so Semaphore South has compounded faster than Allenby Gardens over the longer window.

Rental vacancy is 0.3% in Allenby Gardens and 2.0% in Semaphore South, so landlords in Allenby Gardens face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Allenby Gardens is the bigger suburb, with a population of 2,045 against 1,031, larger than Semaphore South; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Semaphore South for recent price momentum, Allenby Gardens for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.

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