Arncliffe vs Kurnell

Houses cost about the same in both suburbs: the median house price is $1.9M in Arncliffe and $1.9M in Kurnell.

For units, Arncliffe sits at a median of $795K against $1.1M in Kurnell, which makes Arncliffe the more affordable unit market and Kurnell the pricier one.

Over the past year house prices moved +4.3% in Arncliffe and +4.8% in Kurnell, so recent momentum favours Kurnell, although both suburbs recorded growth.

Looking back three years, Arncliffe houses are +10.3% and Kurnell houses +23.3%, so Kurnell has compounded faster than Arncliffe over the longer window.

Rental vacancy is 1.5% in Kurnell and 2.0% in Arncliffe, so landlords in Kurnell face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Arncliffe is the bigger suburb, with a population of 12,023 against 2,528, roughly 4.8 times the size of Kurnell; a larger suburb usually means a deeper pool of buyers and tenants.

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