With rental demand continuing to grow across the Sunshine Coast, more homeowners and investors are turning to granny flats as a smart way to generate additional income while increasing property value.
A modern 1-bedroom granny flat with its own kitchen, bathroom and living area can provide an excellent rental return, particularly in high-demand areas across the Coast.
Typical Rental Return for a 1-Bedroom Granny Flat
On the Sunshine Coast, a well-designed granny flat around 40m² can typically rent for:
- $450–$600 per week
- Approximately $23,000–$31,000 per year
Rental returns depend on several factors including:
- Location
- Privacy and separate access
- Quality of finishes
- Air conditioning and energy efficiency
- Furnished vs unfurnished
- Proximity to beaches, hospitals, transport and shops
Recent rental demand across suburbs such as Maroochydore, Mooloolaba, Palmview and Peregian Beach continues to remain strong, with many self-contained granny flats renting quickly due to the ongoing housing shortage.
Why Granny Flats Perform So Well
Granny flats are becoming increasingly popular because they provide affordable, low-maintenance living for:
- Singles
- Couples
- Downsizers
- Healthcare workers
- Students
- Family members
For property owners, they offer:
- Strong rental yield
- Additional cash flow
- Increased property value
- Flexible living arrangements
- Potential future accommodation for family — a key reason many clients also explore hinterland and acreage granny flat options
Compared to buying another investment property, building a granny flat can often be a more affordable way to create ongoing passive income using land you already own. For a full breakdown of what to expect, see our granny flat cost guide for the Sunshine Coast.
What Features Increase Rental Value?
The highest-performing granny flats on the Sunshine Coast usually include:
- Full-size kitchen
- Modern bathroom
- Open-plan living
- High raked ceilings
- Covered outdoor area
- Air conditioning
- Private entry and parking
- Quality finishes — see our standard inclusions
At The Shed House, our granny flats are designed specifically for Queensland living with high raked ceilings, energy-efficient steel framing and modern layouts that feel much larger than their footprint.

What Yield Can a Granny Flat Generate?
When assessing an investment, many homeowners look at rental yield — the annual rental income compared to the build cost.
For example, if a 1-bedroom granny flat costs approximately $150,000 to design and build, the estimated gross rental yield on the Sunshine Coast could look like this:
| Weekly Rent | Annual Income | Approx. Gross Yield |
|---|---|---|
| $450/week | $23,400/year | 15.6% |
| $500/week | $26,000/year | 17.3% |
| $550/week | $28,600/year | 19.1% |
| $600/week | $31,200/year | 20.8% |
These figures demonstrate why granny flats are becoming increasingly popular across the Sunshine Coast. Even at conservative rental rates, they can provide strong cash flow while also increasing the value and functionality of your property.
Compared to many traditional investment properties, granny flats can offer significantly higher rental yields because you are utilising land you already own rather than purchasing a separate block. Before you rent, it’s worth understanding the rules for renting out a granny flat in Queensland.
Is a Granny Flat Worth It?
For many Sunshine Coast homeowners, the answer is yes.
With rental demand remaining extremely strong and vacancy rates low, a quality granny flat can create a significant additional income stream while adding long-term value to your property.
Whether you are looking to house family, create passive income or improve your property’s functionality, a granny flat can be one of the smartest investments you make. It’s also worth checking whether you qualify for the Queensland granny flat grant before you start.

If you’re considering building a granny flat on the Sunshine Coast, the team at The Shed House can help with design, approvals and construction from start to finish. Talk to us today →