More Space. More Comfort. More Freedom to Live.


If you love your home but need more room, a well-designed extension is the smartest way to expand your lifestyle without the cost and stress of moving.
At Flanders Build, we specialise in high-quality home extensions that blend seamlessly with your current layout, adding space, improving comfort, and increasing your property’s long-term value.
Whether you’re extending outward with new living areas, adding an upper floor, or transforming unused space into something functional, we manage the entire process with clarity and care.
You’ll work directly with the owners, ensuring honest communication, reliable timelines, and a final result that genuinely enhances the way you live.
No overwhelm. No guesswork. Just a smooth, supportive experience from concept to completion.
How We Bring Your Project To Life
Discovery & Vision
We learn about your goals, budget, lifestyle and the type of home you want to create or renovate.
Planning & Guidance
We help organise the essentials, from drawings and approvals to engineering and cost clarity, so you always know what’s happening and why.
Construction With Care
Our founders stay involved from day one to handover, ensuring high-quality workmanship, reliable timelines and open communication throughout the entire build.
Final Handover
Your new home, delivered with care and crafted for long-term living.
Who Benefits From a
Flanders Build New Home?

✔ Growing families who need extra bedrooms, living areas or storage.
✔ Homeowners wanting to avoid moving and stay in the neighbourhood they love.
✔ Clients looking for more functional layouts such as open-plan living, larger kitchens or improved indoor–outdoor flow.
✔ Houses needing better use of space, like converting unused areas into something practical.
✔ Investors wanting to increase rental yield or resale value.
✔ Anyone who wants to upgrade their home without starting from scratch.
If you want more space that feels natural, practical and built for long-term living, an extension is the right move.
How long does a home extension usually take?
Most extensions take 3-9 months, depending on the size and complexity. We provide clear timelines before work begins and keep you updated along the way.
Will the extension match my current home?
Yes. We carefully integrate new structures with your existing design, ensuring consistency in materials, finishes and style.
Do I need council approval?
Most extensions require approvals. We handle the entire process, including plans, certifiers and submissions, so it’s stress-free for you.
Can I stay in the house during construction?
Often, yes. It depends on the scale of the build. If temporary relocation is recommended, we’ll let you know early and help plan accordingly.
What types of extensions do you build?
Rear extensions, side extensions, second-storey additions, room conversions, open-plan expansions, alfresco additions, and more.
Does an extension really add value to my property?
Absolutely, well-planned extensions are one of Sydney’s highest-ROI renovations, improving both lifestyle and long-term asset value.
Do I deal directly with the owners?
Yes. Tom and Harry oversee your project personally to ensure craftsmanship, transparency and reliable communication.
