Home Building & Renovation Tools Australia
Plan your next home project with practical calculators designed for Australian homeowners. Estimate building, renovation and extension costs before speaking with builders and professionals.
Calculate Your Project Costs
Choose a calculator below to create an indicative project budget based on the size, finish level and features of your project.
New Home 01
Home Building Cost Calculator
Estimate the cost of building a new home based on floor area, builder type, storeys, site conditions and major project extras.
Calculate Building Costs →
Kitchen 02
Kitchen Renovation Cost Calculator
Estimate a kitchen renovation budget based on kitchen size, renovation level, layout changes, cabinetry, appliances, benchtops and other upgrades.
Calculate Kitchen Costs →
Bathroom 03
Bathroom Renovation Cost Calculator
Estimate bathroom renovation costs based on room size, renovation level, layout changes and features such as bathtubs, vanities and premium tiling.
Calculate Bathroom Costs →
Extensions 04
Home Extension Cost Calculator
Estimate the cost of extending your home based on floor area, extension type, finish level, site access and major inclusions such as kitchens and bathrooms.
Calculate Extension Costs →
Compare Options 05
Knockdown Rebuild vs Renovate Calculator
Compare the indicative cost of renovating your existing home with knocking it down and building a new home on the same block.
Compare Your Options →Find Inspiration for Your Home
Once you've started planning your budget, explore Australian kitchen, bathroom, bedroom and living room ideas for your project.
Kitchen Kitchen Design Ideas Explore kitchen layouts, finishes, cabinetry, splashbacks and design inspiration. Explore Kitchen Ideas → 
Bathroom Bathroom Design Ideas Discover bathroom styles, fixtures, vanities, tiles and renovation inspiration. Explore Bathroom Ideas → 
Bedroom Bedroom Ideas Browse bedroom styles, colour schemes, furniture and decorating inspiration. Explore Bedroom Ideas → 
Living Room Living Room Ideas Explore living room layouts, interiors, furniture and decorating ideas. Explore Living Room Ideas → Building the HomeAdvice Planning Toolkit
We're developing more practical tools to help Australians compare options, plan budgets and make better decisions before starting a building or renovation project.