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Sellicks Hill vs South Plympton

Property investment comparison - Sellicks Hill, SA 5174 vs South Plympton, SA 5038

Head-to-head across core investment metrics: Sellicks Hill wins 1, South Plympton wins 4. 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.

MetricSellicks HillSouth Plympton
Median house price$1.2M$1.2M
Median unit price$335K$725K
Gross rental yield (houses)1.99%3.06%
Gross rental yield (units)3.22%3.72%
1-year house growth-+11.9%estimate
3-year house growth--
Vacancy rate2.9%0.9%
Population2994,721

Sellicks Hill vs South Plympton: what the numbers say

The median house price is $1.2M in Sellicks Hill and $1.2M in South Plympton, so South Plympton is the cheaper entry point, with Sellicks Hill houses about 4% dearer.

For units, Sellicks Hill sits at a median of $335K against $725K in South Plympton, which makes Sellicks Hill the more affordable unit market and South Plympton the pricier one.

On cash flow, South Plympton leads: houses there return a gross rental yield of 3.06%, compared with 1.99% in Sellicks Hill, a gap of 1.07 percentage points.

Rental vacancy is 0.9% in South Plympton and 2.9% in Sellicks Hill, so landlords in South Plympton face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

South Plympton is the bigger suburb, with a population of 4,721 against 299, roughly 16 times the size of Sellicks Hill; a larger suburb usually means a deeper pool of buyers and tenants.

In short: South Plympton for rental income, South Plympton for a lower purchase price, South Plympton 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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