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Bellevue Heights vs Underdale

Property investment comparison - Bellevue Heights, SA 5050 vs Underdale, SA 5032

Head-to-head across core investment metrics: Bellevue Heights wins 2, Underdale 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.

MetricBellevue HeightsUnderdale
Median house price$1.2M-
Median unit price-$670K
Gross rental yield (houses)3.00%2.84%
Gross rental yield (units)2.50%4.18%
1-year house growth+15.9%+10.3%
3-year house growth+35.0%+55.3%
Vacancy rate1.6%0.8%
Population2,7122,429

Bellevue Heights vs Underdale: what the numbers say

On cash flow, Bellevue Heights leads: houses there return a gross rental yield of 3.00%, compared with 2.84% in Underdale, a gap of 0.16 percentage points.

Over the past year house prices moved +15.9% in Bellevue Heights and +10.3% in Underdale, so recent momentum favours Bellevue Heights, although both suburbs recorded growth.

Looking back three years, Bellevue Heights houses are +35.0% and Underdale houses +55.3%, so Underdale has compounded faster than Bellevue Heights over the longer window.

Rental vacancy is 0.8% in Underdale and 1.6% in Bellevue Heights, so landlords in Underdale face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Bellevue Heights is the bigger suburb, with a population of 2,712 against 2,429, larger than Underdale; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Bellevue Heights for rental income, Bellevue Heights for recent price momentum, Underdale 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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Bellevue Heights vs Underdale: Suburb Comparison 2026