We deliver compliant, high-quality granny flat construction in Sydney. Decks, pergolas, and carports are available too, designed to suit NSW homes.
At Montclair Build Co, we provide complete solutions for residential home improvements, specializing in granny flats, decks, and carports. From initial consultation and design to construction and final handover, our experienced team ensures every project is delivered on time, within budget, and to the highest quality standards.
We take pride in building strong relationships with our clients, based on trust, clear communication, and a commitment to excellence. Whether you’re adding a new granny flat, designing an outdoor deck, or building a protective carport, we tailor our approach to meet your vision and requirements, creating spaces that enhance functionality, style, and long-term value..
We specialize in:
Self-contained living spaces for family, guests, or rental income.
Durable outdoor platforms for relaxing or entertaining.
Attractive structures to protect your vehicles from the elements.
Shaded outdoor spaces for dining, gatherings, or relaxation.
Choosing the right builder matters. It affects the timeline, the finish, and your peace of mind. We keep things practical and transparent from day one.
If you’re looking for experienced granny flat builders in Sydney, Montclair Build Co offers a straightforward design-and-build service. We also build decks, pergolas, and carports to match.
We are a licensed NSW builder. We manage planning support, approvals guidance, construction, and handover. No guesswork. Just clear communication and solid workmanship.
You can verify a contractor licence via Service NSW.
Want to see recent builds? View our project gallery. You can also read client reviews or learn more about our team.
At Montclair Build Co, we know that enhancing your home should be exciting — not stressful. That’s why we’ve simplified the process, giving you clarity and confidence every step of the way. Whether you’re adding a granny flat for extra living space, creating a stylish outdoor deck, or building a protective carport, our expert team handles everything with precision and care.
Hassle-free planning and approvals – From initial design concepts to securing all necessary permits, we manage every step of the process so you can relax, knowing your project is in capable hands.
Clear timelines and transparent budgets – NWe provide detailed schedules and upfront cost estimates, ensuring honest communication at every stage and no unexpected surprises along the way.
Quality craftsmanship and materials – Using only premium materials and proven building techniques, we deliver durable, visually appealing results that stand the test of time, from foundations to finishing touches.
Ongoing support and maintenance – Our commitment doesn’t stop at handover; we continue to provide guidance, maintenance advice, and support to keep your granny flat, deck, or carport in excellent condition for years to come.
When people ask about granny flat cost in Sydney, the honest answer is simple. It depends on the site and the scope. Small details can change the budget fast.
The cost of a granny flat in Sydney is usually influenced by size, layout, finishes, site access, ground conditions, services connections, and any required retaining or drainage work.
We don’t guess. We’ll ask a few quick questions, review your property details, and provide a clear written quote. Simple. Transparent. No nasty surprises.
As a licensed NSW builder, we price projects based on real site conditions, not generic estimates.
For official guidance on approvals, you can also review the NSW Planning Portal information on granny flat approvals.
Ready for accurate pricing? Request a tailored quote and we’ll get back to you quickly.
Building a granny flat in NSW comes with specific planning rules. Understanding them early can save time, money, and stress later on.
Most granny flats in NSW are approved through either a Complying Development Certificate (CDC) or a Development Application (DA), depending on your site and design.
If you’re unsure whether you need council approval for a granny flat in NSW, we’ll help you work it out early. We review your site, explain the approval pathway, and guide you through the documentation process.
As a licensed NSW builder, we ensure every project complies with current regulations before construction begins. No shortcuts. No surprises.
Not always. Many granny flats can be approved through a CDC, while some sites require a DA through council. It depends on zoning, setbacks, lot size, and site constraints.
We’ll help confirm the right approval pathway early, so you don’t waste time redesigning later.
Timeframes vary based on approvals, site access, and build complexity. In general, construction can take a few months once approvals and scheduling are locked in.
We provide a clear build program upfront, so you know what’s happening and when.
The biggest factors are size, finishes, site works, and access. Connections for sewer, stormwater, and power can also change the scope.
For an accurate price, we quote based on real site conditions. No generic numbers.
Yes. We tailor layouts, finishes, and inclusions to suit your block and how you plan to use the space. Family living, guests, or rental income. It all changes the design.
If you want a modern look, we can also build in outdoor upgrades like decks, pergolas, and carports.
Yes, we can. Many clients choose to add a deck, pergola, or carport at the same time as their granny flat build. It’s often more efficient to plan it together.
We’ll design it to suit the layout, access, and how you want to use the outdoor space.
We service Sydney and surrounding suburbs, including Western Sydney. If you’re looking for granny flat builders near me, send us your suburb and we’ll confirm quickly.
You can also call us for a quick chat. It’s often the fastest way to get clear answers.
If you’re searching for granny flat builders near me, our team services Sydney and surrounding areas, including Western Sydney. We understand local planning controls, site conditions, and approval pathways.
Our builders regularly work across suburbs in Western Sydney, Inner West, North Shore, and South Sydney. Wherever you’re located, we apply the same clear process and attention to detail.
Not sure if we service your area? Get in touch and we’ll confirm quickly.
