
Wondering whether a granny flat is worth the spend?
It’s one of the most common questions we hear — and with property prices and rents climbing across South East Queensland, it’s a smart one to ask.
The short answer? For many homeowners, a well-designed granny flat is one of the best investments you can make in your own backyard.
Here’s why.
You Can Now Rent It Out
This is the big one.
Thanks to recent changes to Queensland law, you can now legally rent your granny flat to anyone — not just family members.
That means your secondary dwelling can generate a brand-new income stream, helping it pay for itself over time while easing the housing crisis for a fellow Queenslander.
It Adds Value to Your Property
A quality granny flat doesn’t just earn rent — it lifts the value of your entire property.
Financially minded buyers know that a home with a self-contained second dwelling is far more appealing. A property that can potentially pay for itself is a powerful selling point.
When the time comes to sell, that extra dwelling could see buyers offering significantly more.
The Numbers Can Stack Up Nicely
Every project is different, but the maths often makes sense.
A bespoke granny flat can deliver a strong rental yield, and because it sits on land you already own, you’re not paying for an additional block.
You’re simply making better use of the space you’ve already got.
Of course, the strength of your return depends on doing it right — which brings us to our next point.
Quality Beats Cheap Every Time
There are plenty of cheap alternatives out there, like factory-built kits and shipping container conversions.
But these rarely maximise your property value or attract quality long-term tenants.
Renters are still looking for a healthy quality of living — and that only comes from thoughtful, custom design.
A bespoke luxury granny flat with modern interiors and passive solar sustainability will stand the test of time, command stronger rent, and complement your existing home.
In short: spend a little more upfront, and you’ll often see a far better return.

Think About the Long Game
A granny flat is also incredibly flexible over the years.
Today it might be a rental. Tomorrow it could house a teenager craving independence, an adult child saving for their first home, or an ageing parent who wants to stay close.
Down the track, it could even become your own downsizer while you rent out the main home.
That versatility is part of what makes a granny flat such a sound long-term investment.
Know Your Property First
Before you get carried away with the potential returns, it pays to know exactly what you can build.
Things like your block size, residential zone, setbacks, site cover and any property overlays all affect what’s possible.
That’s where a Site Investigation Report comes in. It tells you everything you need to know about building on your property — so you can crunch the numbers with confidence.
Let’s Talk Returns
We’ve been designing luxury custom granny flats across South East Queensland for 6+ years, and we’ve helped countless homeowners turn unused backyard space into a genuine asset.
If you’d like to explore whether a granny flat is the right investment for you, talk to our friendly team today.
Call us on 1300 649 741 or email hello@funkylittleshack.com.au.
Or ask us about ordering a Site Investigation Report to find out exactly what’s possible on your block.