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Allenby Gardens vs Marden

Property investment comparison - Allenby Gardens, SA 5009 vs Marden, SA 5070

Head-to-head across core investment metrics: Allenby Gardens wins 2, Marden 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.

MetricAllenby GardensMarden
Median house price$1.2M-
Median unit price$920K$640K
Gross rental yield (houses)3.28%2.75%
Gross rental yield (units)-4.00%
1-year house growth+8.0%+12.6%
3-year house growth+33.1%+80.0%
Vacancy rate0.3%1.2%
Population2,0452,645

Allenby Gardens vs Marden: what the numbers say

For units, Allenby Gardens sits at a median of $920K against $640K in Marden, which makes Marden the more affordable unit market and Allenby Gardens the pricier one.

On cash flow, Allenby Gardens leads: houses there return a gross rental yield of 3.28%, compared with 2.75% in Marden, a gap of 0.53 percentage points.

Over the past year house prices moved +8.0% in Allenby Gardens and +12.6% in Marden, so recent momentum favours Marden, although both suburbs recorded growth.

Looking back three years, Allenby Gardens houses are +33.1% and Marden houses +80.0%, so Marden has compounded faster than Allenby Gardens over the longer window.

Rental vacancy is 0.3% in Allenby Gardens and 1.2% in Marden, 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.

Marden is the bigger suburb, with a population of 2,645 against 2,045, larger than Allenby Gardens; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Allenby Gardens for rental income, Marden 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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Allenby Gardens vs Marden: Suburb Comparison 2026