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Seacliff vs Trinity Gardens

Property investment comparison - Seacliff, SA 5049 vs Trinity Gardens, SA 5068

Head-to-head across core investment metrics: Seacliff wins 3, Trinity Gardens 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.

MetricSeacliffTrinity Gardens
Median house price$1.8M$1.8M
Median unit price--
Gross rental yield (houses)2.42%2.26%
Gross rental yield (units)3.50%4.17%
1-year house growth+3.1%+9.2%
3-year house growth+59.2%+9.4%
Vacancy rate2.0%1.0%
Population2,1171,264

Seacliff vs Trinity Gardens: what the numbers say

The median house price is $1.8M in Seacliff and $1.8M in Trinity Gardens, so Seacliff is the cheaper entry point, with Trinity Gardens houses about 4% dearer.

On cash flow, Seacliff leads: houses there return a gross rental yield of 2.42%, compared with 2.26% in Trinity Gardens, a gap of 0.16 percentage points.

Over the past year house prices moved +3.1% in Seacliff and +9.2% in Trinity Gardens, so recent momentum favours Trinity Gardens, although both suburbs recorded growth.

Looking back three years, Seacliff houses are +59.2% and Trinity Gardens houses +9.4%, so Seacliff has compounded faster than Trinity Gardens over the longer window.

Rental vacancy is 1.0% in Trinity Gardens and 2.0% in Seacliff, so landlords in Trinity Gardens face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Seacliff is the bigger suburb, with a population of 2,117 against 1,264, larger than Trinity Gardens; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Seacliff for rental income, Seacliff for a lower purchase price, Trinity Gardens for recent price momentum, Trinity 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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