Custom built granny flats
Welcome to 5 Star Granny Flats – the leaders in crafting custom-built granny flats that blend comfort, elegance, and utility.

Custom built granny flats
Welcome to 5 Star Granny Flats – the leaders in crafting custom-built granny flats that blend comfort, elegance, and utility. Our dedication shines through in every project, making us the top Custom Granny Flat builders in Australia, especially in Sydney, where we cater to your refined living standards.
Custom builds across Sydney
Custom solutions for your unique needs
We know everyone has their vision for their space. That’s why we personalise every aspect of our custom granny flats in Sydney and beyond. Whether you desire a cosy haven for family or a stylish area for guests, our team brings your vision into reality with unmatched skill and creativity.
The benefits of a custom-built granny flat
Choosing a custom granny flat means getting a space that fits your style and needs while making the most of your property. Our custom granny flat builders in Sydney and across Australia excel in turning complex designs into beautiful, functional living spaces.
Expert custom granny flat builders
Our architects, designers, and builders are the finest in the field, committed to excellence in every detail. With extensive experience in custom granny flats across Sydney and Australia, we navigate design trends and local regulations to deliver projects that surpass your expectations.
Our custom granny flat process
Our journey together starts with your vision. From the first meeting to the final reveal, we tailor the experience to you. Our designers craft a custom plan that mirrors your taste, while our builders use top-quality materials to create your dream granny flat. We keep you in the loop, ensuring a process that’s transparent and collaborative.
See the full process
For your custom granny flat project in Sydney
Our team comprises industry-leading granny flat builders who combine innovative design with practical functionality, tailoring each project to meet the unique needs and preferences of our clients. We understand that a granny flat is not just an extension of your home; it’s a reflection of your style and a response to your evolving living requirements. Whether you’re looking to accommodate family members, secure a rental income, or simply expand your living space, we are the granny flat builders near you who can make it happen.
Choosing 5 Star Granny Flats means opting for reliability, quality, and a personalised service.
- Quality Assurance: We commit to the highest standards of craftsmanship, ensuring your granny flat is built to last.
- Custom Designs: Our flexible design options mean your granny flat will be uniquely tailored to your needs.
- Transparent Process: We believe in clear communication, providing regular updates and no hidden costs.
Start building your dream custom granny flat
Building your custom granny flat should be thrilling, not overwhelming. Choosing 5 Star Granny Flats means partnering with a team dedicated to your satisfaction. Our bespoke solutions are tailored to your needs, ensuring a space you’ll love for years.
Get in touch today to see how our custom-built granny flats can boost your lifestyle and property value. Let’s create something extraordinary together – your luxury living space is waiting.
Custom build FAQs
Why should I consider a custom granny flat?
Choosing a custom granny flat allows for maximum flexibility in design, ensuring that every aspect of the granny flat, from layout to finishes, perfectly suits your needs, enhances your property’s value, and complies with local regulations.
How does the design process work for a custom granny flat?
The design process begins with a consultation to understand your requirements, preferences, and budget. Following this, architects or designers draft initial designs, incorporating your feedback until the perfect solution is achieved. This collaborative approach ensures the final design is both practical and aesthetically pleasing.
What are the key considerations when planning a custom granny flat?
Key considerations include the size and shape of your property, local council regulations, your budget, the intended use of the granny flat, accessibility, and how the design complements your existing home. Attention to these details ensures a smooth process and a result that adds value to your property.
What are the costs associated with building a custom granny flat?
Costs vary widely based on size, design complexity, materials, and finishes chosen. Custom granny flats may cost more than pre-designed options due to the personalised design and construction requirements. A detailed quote will be provided after the initial design consultation.
Who should I contact to start the process of building a custom granny flat?
Begin by contacting 5 Star Granny Flat builder or design-build firm specialising in custom granny flats. Look for companies like us with experience in custom projects, positive customer reviews, and a portfolio that aligns with your aesthetic and quality standards.
Free and no obligation. A designer comes back to you within one business day.

Our display home
Visit our display home to experience the quality for yourself, touch the finishes, test the materials, and explore the full range of design options available to you. You'll speak directly with our experienced granny flat designers and visualise what your own space could look like.
📍 2 Mary St, Blacktown NSW 2148



