Grantham Farm vs Mullumbimby

Houses cost about the same in both suburbs: the median house price is $1.2M in Grantham Farm and $1.2M in Mullumbimby.

For units, Grantham Farm sits at a median of $860K against $760K in Mullumbimby, which makes Mullumbimby the more affordable unit market and Grantham Farm the pricier one.

On cash flow, Mullumbimby leads: houses there return a gross rental yield of 4.39%, compared with 3.90% in Grantham Farm, a gap of 0.49 percentage points.

Over the past year house prices moved +10.1% in Grantham Farm (an estimate) and +4.5% in Mullumbimby, so recent momentum favours Grantham Farm, although both suburbs recorded growth.

Rental vacancy is 0.8% in Mullumbimby and 6.2% in Grantham Farm, so landlords in Mullumbimby face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Mullumbimby is the bigger suburb, with a population of 4,180 against 3,669, larger than Grantham Farm; a larger suburb usually means a deeper pool of buyers and tenants.

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