Home Renovation Cost Calculator

Home renovation costs range from $5,000 for cosmetic updates to

50,000+ for full gut renovations.

What this calculator does

Kitchens and bathrooms have the highest ROI at resale (70–80% cost recovery).

When to use this calculator

This tool is most valuable when estimating materials for a full project scope. Run the calculation for each area or surface separately, then total the results to produce a complete materials list with a built-in waste allowance.

Common mistakes

Many project overruns result from calculating only the primary material and forgetting ancillary materials: adhesive, grout, fixings, underlayment, or trim. The headline material quantity is only one line item in a full materials list.

Real-world scenarios

A DIY enthusiast painting three rooms of different dimensions uses the calculator to determine total paint volume needed, taking into account two coats and standard wall coverage rates. The result is a single number to take to the paint shop — no guesswork about whether one 5-litre tin will suffice.

Frequently asked questions

How much does a home renovation cost?

Light cosmetic: $5K–

5K. Moderate: $30K–$75K. Full gut renovation:
00K–$200K+.

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