At AGATHĒ, we bring your vision for more space to life with beautifully crafted custom extensions. We design and build additions that blend perfectly with your existing home, improving both style and how it works for you. From the first design meeting to the finishing details, our team works closely with you to create a space that reflects your lifestyle and elevates your North Shore home with lasting beauty and value.
AGATHĒ specialises in custom extensions that transform North Shore homes into spaces of beauty, comfort, and functionality. Whether you're looking to expand your living room, add a private master suite, or create a generous outdoor entertaining area, we bring your ideas to life with care and attention. Working alongside trusted local architects and skilled builders, we deliver designs and construction of the highest quality — ensuring your new space fits perfectly with your existing home and lifestyle.
Based on the North Shore, AGATHĒ proudly serves homeowners across the North Shore of Sydney and all the way to Newcastle. As your local extension experts, we understand the unique challenges and opportunities of building in this beautiful community. Our deep knowledge of the local area helps us deliver solutions that reflect the special character and style of North Shore homes.
Partial to full-scale renovations that transform your existing spaces into healthy, beautiful family living environments.
Custom extensions that integrate seamlessly with your home's design, enhancing space, comfort and value.
Start the right way with our PAC-certified process — aligning design, budget and timeline before you build.
Scandinavian-inspired homes and cabins built to a healthy, high-performance standard.
Builder-led delivery of custom homes and certified Passive House builds, managed end to end.
From design to delivery, we manage every detail for a smooth, on-time, on-budget build.
Whether you are at the early thinking stage or ready to move, we are happy to have an honest conversation. No obligation. We will tell you if we are not the right fit.