BUILD · COST CALCULATOR

Build Cost Calculator

Estimate your project cost per square metre. Covers new builds, renovations, extensions, granny flats, knockdown-rebuilds and more.

What are you building?

Suburb / location

Include state for localised rates

Floor area

m²

Typical: 150–400 m²

Finish level

Indicative only · DBS Real Cost Database

DBS Real Cost Database

Build cost estimates are derived from the DBS Real Cost Database, cross-referenced with ABS Producer Price Indexes and verified professional quotes lodged on the platform. State and regional multipliers apply. All figures are indicative only — get a formal quote from a licensed builder before committing to a project budget.

Source: DBS Real Cost Database · ABS PPI · Updated Q2 2026