Why Custom Granny Flats Are Becoming the Smarter Investment
- Zoe Pohlmann
- 12 hours ago
- 3 min read
Granny flats have become one of the most talked-about property investments in NSW, and for good reason.
They offer an opportunity to unlock additional income from an existing property, increase land value and make better use of underutilised space. As rental demand continues to grow, more homeowners and investors are recognising the potential of secondary dwellings.
But there's another trend emerging.
As more granny flats are built, the market is becoming increasingly saturated with standard, catalogue-style designs. While these homes still serve a purpose, they often compete on price alone because there's very little to set them apart.
The question investors should be asking is no longer "Should I build a granny flat?"
It's "How do I build one that performs better than the rest?"
The Best Investment Isn't Always the Cheapest One
For many builders, granny flats have become a volume product.
Choose a floor plan. Pick your façade. Sign the contract. While that approach can work, it often overlooks the factors that actually influence rental demand. Every block is different. Every suburb attracts different tenants. Every investment has different goals. A design that works brilliantly on one site may leave significant value on the table on another. Custom design isn't about creating something extravagant. It's about designing intentionally to maximise your site's potential and deliver a home that tenants genuinely want to live in.
Standing Out Matters More Than Ever
With more secondary dwellings entering the market each year, tenants have greater choice. When prospective renters compare multiple properties online, they're naturally drawn to homes that feel brighter, more spacious and more considered.
Simple design decisions can completely change how a property is perceived.
Natural light.
Privacy from the main dwelling.
Thoughtful storage.
Indoor-outdoor connection.
Higher ceilings.
Well-proportioned living spaces.
These aren't luxury additions. They're the details that elevate a granny flat from an extra building in the backyard to a desirable home.
And that's where thoughtful design creates real value.
Double Shot: A Case Study in Designing for Return
At Your Home Designs, every investment project starts with one question:
How can this site perform at its highest potential?
Rather than adapting a standard plan, Double Shot was designed specifically around its site, its future occupants and its investment objectives.
Every decision was intentional, from the layout and orientation through to natural light, privacy, circulation and material selection.
Our team managed the project from the initial concept design through approvals and construction documentation, creating a seamless journey from idea to build-ready plans.
The result speaks for itself. Double Shot achieved rental returns of more than 20% above the median rental return for a two-bedroom apartment within the suburb (source: 2026 realeastate.com data). While no investment outcome can ever be guaranteed, it demonstrates the impact that considered design can have when every decision is made with the end user in mind.
Design for the Market You'll Be Competing In
The granny flat market has evolved.
As supply increases, differentiation becomes increasingly important. Investors who continue to rely on one-size-fits-all solutions may find themselves competing against dozens of similar properties.
Those who invest in thoughtful, site-specific design are creating homes that stand out for the right reasons.
That's not about spending more.
It's about investing where it matters most.
More Than Plans
At Your Home Designs, we guide clients through the entire process, including:
Site analysis and feasibility
Custom concept design
Development Application (DA) or Complying Development (CDC) pathways
Detailed construction documentation
Builder-ready plans
Every project is designed around your site, your investment goals and the people who will ultimately call it home. Because in today's market, the best-performing granny flats aren't built from a catalogue.
