How Much Does a Knockdown Rebuild Cost in NSW? (2026 Guide)

A knockdown rebuild in NSW in 2026 typically costs $2,000–$3,800 per m² for construction. A 240 m² mid-range home may cost around $576,000–$672,000 to build, or roughly $765,000–$1.02 million all-in once site works, approvals, connections, landscaping and contingency are included. Demolition and asbestos costs are assessed separately.