Old Noarlunga vs Port Adelaide

The median house price is $875K in Old Noarlunga and $870K in Port Adelaide, so Port Adelaide is the cheaper entry point, with Old Noarlunga houses about 1% dearer.

For units, Old Noarlunga sits at a median of $650K against $700K in Port Adelaide, which makes Old Noarlunga the more affordable unit market and Port Adelaide the pricier one.

Gross rental yield on houses is effectively level, at 3.91% in Old Noarlunga and 3.90% in Port Adelaide, so neither suburb has a cash flow edge on houses.

Over the past year house prices moved +15.3% in Old Noarlunga and +15.3% in Port Adelaide (an estimate), so recent momentum favours Port Adelaide, although both suburbs recorded growth.

Rental vacancy is 0.6% in Port Adelaide and 1.7% in Old Noarlunga, so landlords in Port Adelaide face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Old Noarlunga is the bigger suburb, with a population of 1,531 against 1,338, larger than Port Adelaide; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Port Adelaide for a lower purchase price, Port Adelaide for recent price momentum, Port Adelaide for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.