Overview
Instantly estimate building costs for duplexes, granny flats, custom homes, KDR and extensions in Sydney. By Buildana.
NSW Building Cost Estimator — Free Tool by Buildana Instantly calculate construction costs for residential projects in Sydney and NSW. Whether you're planning a custom home, duplex, knockdown rebuild, granny flat, or extension, get a ballpark estimate in seconds — without chasing quotes. HOW IT WORKS Select your project type, enter the floor area in m², and choose your finish level (Budget / Standard / Premium). The tool calculates a cost range based on Rawlinsons Australian Construction Handbook data for the Sydney market. WHAT IT COVERS • Custom homes • Duplexes • Knockdown rebuilds (KDR) • Granny flats • Home extensions FINISH LEVELS • Budget — basic finishes, volume builder standard • Standard — mid-range inclusions, quality fixtures • Premium — high-end finishes, custom joinery WHY USE THIS Most builders won't give you a number until you've signed a contract. This tool gives you a realistic starting point so you can walk into conversations with builders knowing your ballpark — not guessing. Built by Buildana, a Sydney-based custom home builder and developer. For a detailed quote on your project, visit buildana.com.au. Data source: Rawlinsons 2021 Australian Construction Handbook (Sydney regional rates). All estimates are indicative only and should be verified with a licensed builder.
Details
- Version1.0.0
- UpdatedApril 25, 2026
- Size16.9KiB
- LanguagesEnglish
- DeveloperBuildanaWebsite
1 Bryant Place Fairfield West, NSW 2165 AUEmail
admin@buildana.com.auPhone
+61 476 300 300 - TraderThis developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site
