Major Defects in Your New Build Home? Taking the Builder to Tribunal

You spent $400,000 to $2,000,000+ on a new home. Within 1–6 years, major defects appear: structural cracking, persistent water ingress, façade failures, slab issues, balcony waterproofing failures, fire-rating breaches in apartments. The builder either won’t engage, has gone into administration, or is offering inadequate “patch” repairs that don’t actually fix the underlying problem.

This is exactly what state civil tribunals exist for. The remedy framework is more powerful than most homeowners realise.

The two windows that matter

Most Australian states impose statutory warranties on residential building work:

• Major / structural defects — typically 6 years from completion (New South Wales, Victoria, Queensland), or to the relevant equivalent in your state
• Other defects — typically 2 years from completion

Major defects include structural failures, waterproofing failures, fire safety breaches, and anything that materially affects the use, value, or habitability of the home. The builder is liable for these defects regardless of what the contract says, regardless of whether you signed off at completion, and (in most cases) regardless of whether the builder is still operating.

Which tribunal handles your claim

• New South Wales — NCAT Consumer and Commercial Division (home building). Claims up to $500,000.
• Victoria — VCAT Building and Property List.
• Queensland — QCAT (Building Disputes), with QBCC pre-tribunal dispute process.
• Western Australia — a complaint to the Building Commissioner first; the State Administrative Tribunal (SAT) decides the disputes the Commissioner refers to it.
• South Australia — Magistrates Court of South Australia.
• Australian Capital Territory — ACAT for claims up to $25,000; larger claims go to the ACT Magistrates Court or Supreme Court.
• Tasmania — a notice of dispute to the Director of Building Control (CBOS) and mediation first; the Tasmanian Civil and Administrative Tribunal (TASCAT) decides disputes that are not resolved.
• Northern Territory — NTCAT for small claims up to $25,000; larger claims go to the Local Court.

Filing fees change each 1 July; check the current fee on the tribunal’s or court’s website before you file.

What you need to file

• The building contract and any variations
• Certificates of insurance (Home Building Compensation Fund / Domestic Building Insurance)
• Independent expert report on the defects (a building consultant or structural engineer — typically $1,500–$5,000 for a comprehensive report)
• Photos and video evidence of every defect
• Quotes for rectification work from at least two builders
• All communications with the original builder
• The application form for your state’s tribunal or court

The independent expert report is the centerpiece. Tribunal members rely heavily on independent expert evidence in building disputes, and a thorough report often determines the outcome.

Builder insolvency — the warranty fund route

If the builder is insolvent or has died, you may not be able to recover from them directly. State warranty funds (New South Wales HBCF, Victoria DBI, Queensland QBCC, etc.) are designed for exactly this. A tribunal claim establishes the rectification cost, which then forms the basis of the warranty fund claim.

Flat fee for the application

Claim Done’s Tribunal Application service handles new-home defect claims specifically. The wizard asks for the property, the contract, the defects, your expert report, and your evidence. Our Programmatic Algorithms draft your claim to copy into your tribunal’s or court’s form, plus a witness statement (in New South Wales, an outline you complete in your own words).

Flat $97 fee (the tribunal filing fee is paid separately). You file the package; the tribunal handles the rest.

Most homeowners aren’t represented by lawyers in these matters — the tribunals are designed for self-representation, and the rules limit legal representation in many cases.