Case Studies

Granny Flat Example Case Studies — Real Results Across the Illawarra

If you’re considering building a granny flat, the most important question is simple:

What kind of result can I actually expect?

Below are real examples of projects completed across the Illawarra — showing what’s possible when the right design, approval strategy, and construction approach come together.

From improving cashflow on investment properties to creating flexible living solutions for families, these case studies highlight the real-world outcomes our clients are achieving.


What You’ll Learn From These Case Studies

  • Real construction costs and build timeframes
  • Weekly rental income achieved
  • Design choices that maximise return and usability
  • Approval pathways used (CDC vs DA)
  • How different block types impact the final outcome

Case Study 1: Dapto Investment Property

From Negative Gearing to Positive Cashflow

This project focused on turning a negatively geared investment property into a cashflow-positive asset.

With a well-planned design and efficient build process, the result was a high-performing granny flat that now generates strong weekly rental income and significantly improves the overall return on the property.

👉 View full case study →


Case Study 2: Thirroul Family Home

Keeping the Family Close While Maintaining Privacy

This project was designed to support multi-generational living while maintaining independence between dwellings.

By carefully considering layout, access, and privacy, the result is a functional and flexible space that works for both current and future needs.

👉 View full case study →


Thinking About Building Your Own Granny Flat?

Every property is different — but with the right approach, similar results are often achievable.

Whether you’re looking to increase rental income, improve cashflow, or create additional living space, the first step is understanding what’s possible on your property.

Ready to start your own project? Call (02) 4203 3554 or book a free site inspection.


Learn More

Explore our granny flat services or learn more about CDC approvals to better understand how the process works and what’s involved.