Repairs & renovations

Bathroom Renovation Cost Calculator

Build a complete bathroom renovation budget by major cost group. Replace every default with figures that apply to your property and location.

What this calculator estimates

Build a complete bathroom renovation budget by major cost group. It combines the inputs below to produce Bathroom renovation budget. Every assumption remains editable so the estimate can reflect the property, financing and location being evaluated.

Worked example

Using the displayed sample assumptions, the calculator produces $27,600. This is an illustration, not a market quote. Change one input at a time to understand what drives the result.

Inputs and assumptions

• Fixtures and vanity — sample input: 6000 currency units
• Tile and finishes — sample input: 5500 currency units
• Plumbing labour — sample input: 4500 currency units
• Other labour — sample input: 7000 currency units
• Design and permits — sample input: 1000 currency units
• Contingency — sample input: 15 %

How to interpret the result

Replace sample unit prices with current local quotes. Compare a conservative case with an expected case and keep a record of the assumptions used.

Common mistake to avoid

Do not omit demolition, permits, tax, delivery or contingency. Local definitions, taxes, lending practices and measurement requirements can materially change the result.

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Reviewed 2026-09-08.