CDC-ReadyOur Granny Flats
At 5 Star Granny Flats we create and design granny flats that would appeal to people with a variety of tastes and preferences.
Discover Top Granny Flat Builders in Sydney
Explore Sydney’s premier choice for enhancing your property with a stylish and adaptable granny flat from 5 Star Granny Flats.
As Sydney’s foremost construction experts, we specialise in crafting superb granny flats. These expansions not only improve life for your family, but also significantly raise your property’s value. Our strong commitment to excellence and deep knowledge of Sydney’s market ensure that we’re on top of the trends and demands of the market. It’s why we stand out as your top choice for granny flat builders in Sydney.

Excellence in Granny Flat Construction in Sydney
Our diverse portfolio features designs that range from modern and sleek to classic and timeless, each built with exceptional care and precision. We are thoroughly familiar with Sydney’s regulations and actively work to ensure your granny flat meets all standards, operates efficiently, and suits the Sydney lifestyle. With us, you can make your dream granny flat a reality.
See how we build
Transparent Granny Flat Cost Sydney
We believe in transparency and honesty, especially when it comes to costs. Our approach to granny flat cost Sydney is straightforward – we provide clear, detailed quotes without hidden fees, ensuring you understand every aspect of your investment. Our competitive pricing does not compromise on quality, as we use only the best materials and workmanship to bring your vision to life.
Cost and ROI guideOur Granny Flat Services In Sydney
Custom Design and Build
Every family and every site is unique, and so should be your granny flat. Our bespoke design service allows you to create a space that perfectly fits your land, your needs, and your aesthetic preferences. From initial concept to final touches, our team works closely with you, ensuring your granny flat is a seamless addition to your property.
Custom built granny flatsTurnkey Solutions
For those seeking a hassle-free experience, our turnkey solutions are ideal. We handle every aspect of the granny flat project, including design, approvals, construction, and interior finishing. This comprehensive service ensures a smooth, efficient process, delivering a ready-to-enjoy granny flat with minimal disruption to your daily life.
Our step-by-step processSustainable Building Practices
Sustainability is at the heart of our building practices. We are committed to reducing our environmental footprint by incorporating energy-efficient designs, sustainable materials, and innovative construction techniques. Our granny flats are designed to be not only beautiful and functional but also environmentally friendly, ensuring a better future for our community.
Why Granny Flats Are A Right Choice?
Granny flats in Sydney offer a versatile solution to a variety of living situations. They provide the perfect blend of privacy and proximity for extended families, a smart investment opportunity through rental income, and an effective way to maximize the utility of your property. With the increasing demand for flexible housing options in Sydney, a granny flat is a wise addition that enhances both the functionality and value of your home.
Let's Build Your Dream Granny Flat Together
Choosing the right granny flat builder in Sydney is crucial to the success of your project. With our expertise, commitment to quality, and personalised approach, we ensure that your granny flat journey is as rewarding as the outcome. Whether you’re envisioning a cozy retreat for loved ones or a sleek, modern space for tenants, we are here to bring your vision to life.
Embarking on a granny flat project is an exciting venture, and we’re here to guide you every step of the way. Contact us today to discuss your ideas and learn how we can transform your property with a beautifully designed, expertly crafted granny flat. Together, we’ll create a space that meets your needs, exceeds your expectations, and sets a new standard for living in Sydney.
Why Choose 5 Star Granny Flats for Your 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.
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.
Granny flat FAQs
What makes 5 Star Granny Flats a leading Granny Flat Builder in Sydney?
5 Star Granny Flats specializes in the design and construction of high-quality granny flats in Sydney, offering personalised solutions and a commitment to excellence that sets us apart from other builders in the region.
How does the Granny Flat construction process work?
Our comprehensive process includes initial consultation, design, obtaining council approvals, construction, and final handover, ensuring a smooth and efficient experience for our clients in Sydney.
Can 5 Star Granny Flats assist with obtaining council approvals for granny flats in Sydney?
Yes, we provide full assistance with the Sydney council approval process, leveraging our expertise in local regulations to streamline your granny flat project.
How long does it take to build a granny flat in Sydney?
Construction timelines can vary, but we aim to complete most granny flat projects in Sydney within 12 to 20 weeks, depending on complexity and council approvals. Generally it takes 14-16 weeks for your Granny Flat to be built after the initial site setup.
How can I start a granny flat project with 5 Star Granny Flats?
Starting your granny flat project in Sydney is simple; contact us for a consultation where we’ll discuss your needs, budget, and how we can bring your vision to life.
Do your Granny Flats come with a guarantee?
Yes, there is a 6 year builders warranty on all new building works. Upon hand over of your Granny Flat, all warranties will be provided to you.
What are the set backs?
Maintain a 3.0m setback from the rear and 0.9m from side boundaries.
Do you custom build the Granny Flats or are they kit homes?
All our granny flats are built on site, using qualified subcontractors.
What is the largest size granny flat you can build?
The largest permissible building size is approximately 60m2. Plus a porch or patio where permissible.
Our granny flat designs
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CDC-ReadyFree 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
