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Modbury Heights vs St Clair

Property investment comparison - Modbury Heights, SA 5092 vs St Clair, SA 5011

Head-to-head across core investment metrics: Modbury Heights wins 2, St Clair 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.

MetricModbury HeightsSt Clair
Median house price$985K$1.0M
Median unit price-$665K
Gross rental yield (houses)3.60%-
Gross rental yield (units)4.50%4.55%
1-year house growth+14.1%+11.1%estimate
3-year house growth+36.3%-
Vacancy rate0.9%0.7%
Population6,9952,634

Modbury Heights vs St Clair: what the numbers say

The median house price is $985K in Modbury Heights and $1.0M in St Clair, so Modbury Heights is the cheaper entry point, with St Clair houses about 3% dearer.

Over the past year house prices moved +14.1% in Modbury Heights and +11.1% in St Clair (an estimate), so recent momentum favours Modbury Heights, although both suburbs recorded growth.

Rental vacancy is 0.7% in St Clair and 0.9% in Modbury Heights, so landlords in St Clair face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Modbury Heights is the bigger suburb, with a population of 6,995 against 2,634, roughly 2.7 times the size of St Clair; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Modbury Heights for a lower purchase price, Modbury Heights for recent price momentum, St Clair 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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