Sydney Home Renovation Cost Guide 2026: Per-Square-Metre Breakdown, Room-by-Room Budgets & Approval Essentials Sydney Home Renovation Cost Guide 2026: Per-Square-Metre Breakdown, Room-by-Room Budgets Approval Essentials Author: Franz Phan, Senior Planning Consultant, giantA Pty Ltd Published: July 19, 2026 Rea... BASIX Home Renovation sydney Jul 18, 2026