Northgate vs South Plympton

The median house price is $1.1M in Northgate and $1.2M in South Plympton, so Northgate is the cheaper entry point, with South Plympton houses about 3% dearer.

For units, Northgate sits at a median of $515K against $725K in South Plympton, which makes Northgate the more affordable unit market and South Plympton the pricier one.

Over the past year house prices moved +11.1% in Northgate and +11.9% in South Plympton (an estimate), so recent momentum favours South Plympton, although both suburbs recorded growth.

Rental vacancy is 0.7% in Northgate and 0.9% in South Plympton, so landlords in Northgate face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

South Plympton is the bigger suburb, with a population of 4,721 against 3,184, larger than Northgate; a larger suburb usually means a deeper pool of buyers and tenants.

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