Alderley vs Mount Nathan

For units, Alderley sits at a median of $855K against $1.1M in Mount Nathan, which makes Alderley the more affordable unit market and Mount Nathan the pricier one.

On cash flow, Mount Nathan leads: houses there return a gross rental yield of 3.05%, compared with 2.46% in Alderley, a gap of 0.59 percentage points.

Over the past year house prices moved +12.7% in Alderley and +9.1% in Mount Nathan, so recent momentum favours Alderley, although both suburbs recorded growth.

Looking back three years, Alderley houses are +35.9% and Mount Nathan houses +19.2%, so Alderley has compounded faster than Mount Nathan over the longer window.

Rental vacancy is 1.8% in Alderley and 2.6% in Mount Nathan, so landlords in Alderley face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Alderley is the bigger suburb, with a population of 6,748 against 1,375, roughly 4.9 times the size of Mount Nathan; a larger suburb usually means a deeper pool of buyers and tenants.

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