Agathē delivers healthy, high-performance homes in Whale Beach, combining building science, low-tox craftsmanship, and Northern Beaches expertise to create homes that support your family's wellbeing in one of Sydney's most exclusive and naturally spectacular coastal communities.
Discover what it means to live in a home that actively works for your health — thoughtful material choices, ventilation design, and considered finishes where indoor air quality, thermal comfort, and low-tox living come together seamlessly with beautiful, functional design.
Tucked into a sheltered fold in the headland between Avalon Beach and Palm Beach, Whale Beach is one of Sydney's most private and tightly held coastal addresses. Architect-designed prestige homes and elevated residences with uninterrupted ocean views define the streetscape — but the sheer beauty of the setting also signals some of the most demanding building conditions on the Northern Beaches. Whale Beach's exposed headland position means homes here face relentless ocean winds, heavy salt spray, and the kind of deep coastal humidity that works its way into even the most carefully built structures over time. The elevated terrain adds further complexity — restricting airflow in lower-lying areas while accelerating weathering on exposed upper levels. Regardless of how well a home is built or how recently it was completed, the Whale Beach environment demands a Healthy Homes approach that goes beyond aesthetics — one that protects your building fabric, your indoor air quality, and ultimately your family's health, for the long term.
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 Passivhaus 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.