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Glenunga vs Trinity Gardens

Property investment comparison - Glenunga, SA 5064 vs Trinity Gardens, SA 5068

Head-to-head across core investment metrics: Glenunga wins 2, Trinity Gardens 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.

MetricGlenungaTrinity Gardens
Median house price$1.9M$1.8M
Median unit price$745K-
Gross rental yield (houses)2.48%2.26%
Gross rental yield (units)4.09%4.17%
1-year house growth+0.6%+9.2%
3-year house growth+36.7%+9.4%
Vacancy rate1.4%1.0%
Population2,1841,264

Glenunga vs Trinity Gardens: what the numbers say

The median house price is $1.9M in Glenunga and $1.8M in Trinity Gardens, so Trinity Gardens is the cheaper entry point, with Glenunga houses about 4% dearer.

On cash flow, Glenunga leads: houses there return a gross rental yield of 2.48%, compared with 2.26% in Trinity Gardens, a gap of 0.22 percentage points.

Over the past year house prices moved +0.6% in Glenunga and +9.2% in Trinity Gardens, so recent momentum favours Trinity Gardens, although both suburbs recorded growth.

Looking back three years, Glenunga houses are +36.7% and Trinity Gardens houses +9.4%, so Glenunga has compounded faster than Trinity Gardens over the longer window.

Rental vacancy is 1.0% in Trinity Gardens and 1.4% in Glenunga, 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.

Glenunga is the bigger suburb, with a population of 2,184 against 1,264, larger than Trinity Gardens; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Glenunga for rental income, Trinity Gardens 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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