“Tasmania's Forever Home Builders”
Awards
In Projects
Years Combined Experience
Tasmania's Forever Home Builders
Architecturally crafted homes,
built to last forever.
Zanetto Builders design and construct custom, luxury and Passivhaus homes across Tasmania — from Hobart to the East Coast.
In-house estimating: a detailed feasibility within 10% of your real build cost — in 48 hours, for any project.
Certified Passive House Team · Open-Book Pricing · 23× Award Winners
Three ways to build with us
Wherever your project is at, start there.
Path one
I need design and build
One team from first sketch to keys — architecture, budget and build aligned from day one.
Design & Construct →Path two
I have plans — what will they cost?
Our in-house estimating team costs your drawings across 90+ categories, within 10% — in 48 hours.
The 48-Hour Estimate →Path three
I have a design — I need a builder
Build-only with open-book pricing. Your architect stays; every cost stays visible.
Build-Only →The Zanetto difference
A builder for those who refuse to compromise.
We partner with discerning homeowners and leading architects to deliver homes of exceptional quality, energy performance and detail. Every project is guided by a transparent, fixed process — so building your Forever Home is as considered as the home itself.
Our philosophy →Why build with Zanetto
Know what your home costs — before you commit.
Most builders quote blind. Our in-house estimating team gives you a detailed, transparent feasibility on any project — so you start with real numbers, not guesswork.
48hr
In-house feasibility
Our own estimating team returns a detailed feasibility within 10% of your real build cost — turned around in 48 hours, for any project.
Open-book
Transparent pricing
You see every cost line. No hidden margins, no surprises — a fixed, transparent process from feasibility to handover.
Certified
Passivhaus performance
A certified Passive House team building for the Tasmanian climate — superior comfort and near-zero running costs, done right.
What we build
Services
Passivhaus Builders
Certified high-performance homes — superior comfort, near-zero energy bills, built for the Tasmanian climate.
Learn more →Custom Home Builders
Architecturally designed Forever Homes, crafted to your land, your life and your vision.
Learn more →New Home Builders
Considered, premium new builds delivered with precision and a fixed, transparent process.
Learn more →Selected work
Recent Forever Homes
See it come to life
Drag to bring a Forever Home to life.
Every Zanetto home starts as a vision and ends as somewhere real to live. Drag across to see the difference craftsmanship makes.
20+
Years building in Tasmania
Passivhaus
Certified expertise
Award
Winning craftsmanship
Plan your build
What will your dream home cost?
Our in-house estimating team prepares a detailed feasibility — within 10% of your real build cost, in 48 hours, for any project. No cost-per-square-metre guesswork.
Get Your Feasibility“We are finally living very comfortably in only the third certified Passivhaus in Tasmania, beautifully crafted by Zanetto Builders. We could not be happier with the build quality, the finish and the overall build process.”
Let’s build your Forever Home.
Apply to build and our team will prepare your feasibility — real numbers, no obligation.
Start Your Project