Passivhaus
Hills District
Agathē builds to the certified Passivhaus standard across the Hills District — from Kenthurst and Dural acreage to the executive estates of Bella Vista — engineered for scale, bushland and the long term.
Agathē builds to the certified Passivhaus standard across the Hills District — from Kenthurst and Dural acreage to the executive estates of Bella Vista — engineered for scale, bushland and the long term.
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.
The Hills build big, and big homes punish ordinary construction — hot upper storeys, cold shaded wings, and running costs that scale with the floor plan. On the district's acreage side — Kenthurst, Dural, Galston, Glenhaven — the bush adds its own requirements: BAL construction on fire-prone land, smoke seasons, and pollen carried on every wind. Passivhaus answers the whole district with one discipline. The sealed, ember-conscious envelope that fire detailing demands is the same envelope certification requires; filtered heat-recovery ventilation keeps the air inside clean whatever the season is doing outside; and the envelope-first approach holds even the largest home at a stable temperature on a fraction of the usual energy — verified by independent testing, not promised. From estate rebuilds to rural acreage, we bring a Certified Passivhaus Tradesperson to the Hills' most ambitious projects.
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.