
A new standard of home.
Custom homes and duplexes across Sydney
Tell us the address. Within two business days you will know what the block can take, which approval route applies and roughly what it will cost to build, before you pay anyone for drawings.
“The quality of construction and attention to detail in the finishes exceeded our expectations, and they delivered right on schedule.”
William T., Google review
“The NeoGen team were extremely helpful. Made the whole process straightforward and incredibly stress free.”
Barney H., Google review
Artist's impressionTwo complete homes on one block
Live in one and sell or rent the other, keep both, or house two generations. We sort out the approval route and the services before the design is fixed.
Duplex builders →
Designed around how you live
One-off homes shaped around the block and the household. Design, scope and budget are worked out together rather than in that order.
Custom home builders →
Rebuild on the block you already own
Replace the old house with a new home or a duplex. Demolition, services and approvals are handled with the build.
Knock down rebuild →Why we look at the block before the design
Designing first and pricing later is how budgets get lost
Most budget problems start before a builder is involved. The design does not fit the approval rules, or a site cost was never in the budget, or the cheapest quote left out what the others had included. We test the site, the brief and the approvals while the design is still moving, so the scope and the budget are understood before construction starts.
When you have a question, it is answered by one of the directors who knows the drawings, the decisions already made and what happened on site this week.

Step by step
How a project runs
Test the site
Planning, access, services and the likely approval path, checked before the design is fixed. This part is free and comes back within two business days.
Set the brief and budget
Agree what matters, where the money should go and what the project has to achieve.
Design and price together
Architecture, engineering, selections and trade pricing move together. Detailed costings are quoted as a paid stage before we start them.
Build from a settled scope
Fixed-price contract, a weekly update during construction, and variations priced and signed before any extra work.
Recent work
Homes we have built

Gledswood Hills
Curved rendered entry, black upper level and full-height glazing, with a double-height living space and floating stair inside.
See the project →
Mittagong
Four homes on an irregular 1,765 square metre site: two villas and two townhouses, with a registered four-lot strata plan.
See the project →Where we build
Across Sydney
Most of the duplexes we are asked about are in the Sutherland Shire, Ryde, Parramatta, Cumberland, Blacktown, the Hills and Canada Bay, and there is a page for each council's rules. We have built in Campbelltown, Appin and Camden, through Liverpool and Fairfield to South Wentworthville, out to Nirimba Fields and Rouse Hill, and in Ryde and Caringbah, with completed and approved developments in the Southern Highlands.

From the blog
The questions people ask us before they build
More than sixty articles on what things cost, why quotes come back so different, CDC versus DA, what a block can carry, and what goes on between the slab and the keys.
Tell us about your block.
Send the address and what you want to build. Within two business days you will have a written site assessment and a clear next step.