Bonnyrigg vs Mount Keira

The median house price is $1.3M in Bonnyrigg and $1.3M in Mount Keira, so Mount Keira is the cheaper entry point.

For units, Bonnyrigg sits at a median of $630K against $395K in Mount Keira, which makes Mount Keira the more affordable unit market and Bonnyrigg the pricier one.

On cash flow, Mount Keira leads: houses there return a gross rental yield of 3.80%, compared with 2.91% in Bonnyrigg, a gap of 0.89 percentage points.

Over the past year house prices moved +10.6% in Bonnyrigg and +4.3% in Mount Keira (an estimate), so recent momentum favours Bonnyrigg, although both suburbs recorded growth.

Rental vacancy is 0.9% in Bonnyrigg and 2.3% in Mount Keira, so landlords in Bonnyrigg face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Bonnyrigg is the bigger suburb, with a population of 9,785 against 1,691, roughly 6 times the size of Mount Keira; a larger suburb usually means a deeper pool of buyers and tenants.

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