Passivhaus
Newcastle
Agathē builds to the certified Passivhaus standard across Newcastle — beachfront, ridgeline and heritage streets — bringing measured building science to the city's finest addresses.
Agathē builds to the certified Passivhaus standard across Newcastle — beachfront, ridgeline and heritage streets — bringing measured building science to the city's finest addresses.
A certified Passivhaus is measured, not promised. An airtight, highly insulated envelope with continuous filtered fresh air keeps the whole home within a few degrees year-round — without leaning on air conditioning. The result is a home that is quiet, free of draughts and condensation, dramatically cheaper to run, and independently certified to perform exactly as designed.
Newcastle's best suburbs split into two building stories. On the coast — Merewether, Bar Beach, the Heights — ambitious modern homes face salt, wind and sun that punish conventional construction. In the heritage streets — The Hill, Cooks Hill, Hamilton South, the East End — some of the finest old housing fabric in the country runs cold, damp and expensive, built generations before insulation was a word builders used. Passivhaus serves both: engineered, certified new builds that hold their comfort on exposed coastal sites, and principled deep renovations that bring heritage homes to modern performance without touching their character. Led by a Certified Passivhaus Tradesperson, with structured pre-construction and honest advice about what each building can achieve.
Builder-led delivery of custom homes and Passivhaus builds, managed end to end.
Start the right way with our PAC-certified process — aligning design, budget and timeline before you build.
We work alongside your architect from the first sketch, so Passivhaus performance is designed in, not bolted on.
Scandinavian-inspired homes and cabins built to a healthy, high-performance standard.
Partial to full-scale renovations that transform your existing spaces into healthy, beautiful family living environments.
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.