Custom Extensions
Mosman
AGATHĒ creates beautiful extensions in Mosman through tailored designs that combine master craftsmanship with North Shore expertise for elegant and enduring results.
AGATHĒ creates beautiful extensions in Mosman through tailored designs that combine master craftsmanship with North Shore expertise for elegant and enduring results.
From a new living room or master suite to a second storey, alfresco, or garage conversion, we design and build additions that blend seamlessly with your existing home — adding space, light, and value while reflecting the way you live.
With heritage streets and harbour outlooks, Mosman offers prestigious waterfront living and coastal recreation. Many homes including Federation houses, California bungalows, and modern family residences are ready for thoughtful enhancement. From rear family additions to full home transformations or premium kitchen and bathroom extensions, we design and build custom extensions that respect character while adding comfort, style, and long term value.
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.