Smart Builds.
Real Returns.
Zero Runaround.

At 5 Star Granny Flats, we believe a quality granny flat isn’t just about extra space — it’s about creating value. Whether you’re looking to boost your rental income, unlock capital, or house family in comfort, we make it simple, strategic, and stress-free from day one.

We’re not just builders. We’re project partners, problem-solvers, and property performance experts — and we’ve been delivering smart, high-quality granny flats across Sydney for over 15 years.

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Working With Granny Flats Sydney You Can Be Assured Of

Professional advice and consultations that our experts are always willing to offer honest and unbiased advice on decisions like design, budget, finishes, and timelines. You can freely discuss your requirements and preferences for your granny flat Sydney Builder build with them to ensure that the end result is to your satisfaction and standard.

commitment

Commitment

We maintain our commitment to each and every job to ensure projects are delivered on time and on budget, using the latest superior methods, equipment and personnel.

professionalism

Professionalism

Consistent communication, feedback and taking ownership of any problems that arise ensures we maintain the highest levels of quality and customer satisfaction.

seamless delivery

Seamless Delivery

From the beginning construction sketches to the final fit out of your granny flat, our professional team will give you utmost satisfaction. You can expect to build your dream house.

close contact

Close Contact

Feel free to get in touch with us by simply calling 1300 843 921 or fill in our enquiry form now and we will contact you as soon as possible.

What Makes Us Different?

We Think Like Investors

Every square metre of land you own has untapped potential — and we’re here to help you unlock it. From the moment you reach out, we assess your goals, forecast the returns, and deliver a granny flat that performs for your lifestyle and your bottom line.
We’ve helped Sydney homeowners turn underused land into high-yield rental dwellings, add hundreds of thousands in property value, and create flexible living spaces for ageing parents, growing families, or savvy side income.
We speak in timelines, ROI, and rental-ready features — not just floor plans.

Why 5 star
Granny Flat sydney builds finished within 3 months

We Build Like Pros

(Because We Are)

Tired of tradies who don’t call back? We are too. Our team follows a sharp, proven process — managing every step in-house:

  • Approvals and compliance? Sorted.
  • Design that fits your block and budget? Done.
  • Build that finishes in under 4 months? Delivered.

We show up early, communicate clearly, and finish what we start — no handballing, no ghosting, no excuses.

Our Reputation is Built on Results

We don’t rely on gimmicks or sales tactics. Instead, we let our 5-star reviews do the talking — and most of our work comes from referrals and return clients who trust us to deliver again and again.

They trust us because we:

Stick to timelines.
Respect budgets.
Solve problems fast.
Treat every project like it’s our own.

Transparent Granny Flat Cost Sydney

Why We Do What We Do

We started 5 Star Granny Flats with one goal: to make quality granny flat building easier, faster, and more rewarding for everyday homeowners.

Today, we’ve delivered hundreds of successful builds across Sydney — each one tailored, value-packed, and built to last.

Because a granny flat isn’t just a structure — it’s a solution. And when done right, it’s one of the smartest investments you can make.

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Seamless Service & Outstanding Results

Your granny flat designer offers honest and straight-forward advice on design choices that fit within your budget.

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Interior design

Come visit our display homes

5 Star Granny Flats will soon offer tours of our completed projects.
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Buy Home

Custom Designs Available

Well-designed and well-built granny flats are beautiful spaces to live in, and that has an impact on the people who live there.
Custom Now
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Our Granny Flat Company Process

We’re backed by many years of experience to get ahead of challenges and offer tried-and-true solutions.

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How Can We Help?

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Granny Flats

Need more information?

For more information, you can get in touch with us at 5 Star Granny Flats today!

Give us a call today

Ready to start building?

You can also use the below link to get a quick online quote.

Give us a call today

We make your dream reality

Speak to our friendly staff for guidance.

Give us a call today