How-To Guides

The Cost of BASIX Compliance for Sydney New Builds

Discover the real cost of BASIX compliance for custom homes in Sydney. Learn how glazing, rainwater tanks, and solar PV requirements impact your building budget.

TL;DR BASIX compliance is not just a paperwork exercise; it represents a significant portion of your construction budget. For a new custom home in Sydney, the physical upgrades required to pass the Thermal Comfort, Water, and Energy targets can add tens of thousands of dollars to the build. By understanding the costs associated with double glazing, rainwater tanks, heat pumps, and solar arrays early in the design phase, you can prevent budget blowouts and avoid nasty variations just before signing a building contract. Introduction When budgeting for a custom home in Sydney, most clients focus on the visible luxuries: natural stone benchtops, custom joinery, engineered timber floors, and designer tapware. However, one of the largest cost drivers in modern residential construction is largely…