Jilliby vs Kellyville

Houses cost about the same in both suburbs: the median house price is $2.0M in Jilliby and $2.0M in Kellyville.

For units, Jilliby sits at a median of $585K against $820K in Kellyville, which makes Jilliby the more affordable unit market and Kellyville the pricier one.

On cash flow, Kellyville leads: houses there return a gross rental yield of 2.56%, compared with 1.88% in Jilliby, a gap of 0.68 percentage points.

Over the past year house prices moved +12.4% in Jilliby and +1.9% in Kellyville (an estimate), so recent momentum favours Jilliby, although both suburbs recorded growth.

Rental vacancy is 1.5% in Jilliby and 2.1% in Kellyville, so landlords in Jilliby face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Kellyville is the bigger suburb, with a population of 27,011 against 1,694, roughly 16 times the size of Jilliby; a larger suburb usually means a deeper pool of buyers and tenants.

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