Contracts & Costs

How Much Does a Whole-Home Renovation Cost in Sydney?

A realistic 2026 guide to whole-home renovation costs in Sydney, including square-metre rates, sample budgets, hidden expenses and planning requirements.

TL;DR A whole-home renovation in Sydney commonly costs from about $250,000 to $500,000 for a well-planned renovation of a typical three-bedroom house where the footprint and major structural layout remain largely unchanged. A larger or structurally complex renovation can cost $500,000 to $900,000-plus , while premium, heritage or architecturally detailed projects can exceed $1 million . As a broad 2026 guide, allow roughly $3,000 to $5,000 per square metre for a substantial standard-to-good-quality renovation and $5,000 to $7,000-plus per square metre for complex or premium work. Cosmetic projects can cost less, but these rates should never replace site-specific plans, investigations and builder pricing. What counts as a whole-home renovation? A whole-home renovation upgrades most or all o…