Allenby Gardens vs Plympton

The median house price is $1.2M in Allenby Gardens and $1.3M in Plympton, so Allenby Gardens is the cheaper entry point, with Plympton houses about 8% dearer.

For units, Allenby Gardens sits at a median of $920K against $590K in Plympton, which makes Plympton the more affordable unit market and Allenby Gardens the pricier one.

Over the past year house prices moved +8.0% in Allenby Gardens and +15.5% in Plympton (an estimate), so recent momentum favours Plympton, although both suburbs recorded growth.

Rental vacancy is 0.3% in Allenby Gardens and 0.7% in Plympton, so landlords in Allenby Gardens face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Plympton is the bigger suburb, with a population of 5,459 against 2,045, roughly 2.7 times the size of Allenby Gardens; a larger suburb usually means a deeper pool of buyers and tenants.

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