Major Domestic Building Contract (MDBC) / Residential Building Contract
Form number: VIC: No single prescribed form — Consumer Affairs Victoria provides a free model 'Building contract for new homes' template (Word document); NSW: Written contract required under Home Building Act 1989 (no single prescribed form — NSW Fair Trading provides guidance); QLD: No single prescribed form
A written residential building contract that must be used when a builder undertakes domestic building work above the statutory threshold — in Victoria work over $10,000 requires a written contract complying with the Domestic Building Contracts Act 1995, with specific mandatory content including cooling-off rights, warranties, and progress payment terms.
Official source
consumer.vic.gov.auRelated topics
major domestic building contract Victoria · residential building contract NSW · Domestic Building Contracts Act 1995 · Home Building Act 1989 NSW contract · MDBC Victoria · building contract new home · Consumer Affairs Victoria building contract template · prescribed building contract · owner builder contract threshold · residential building contract mandatory · progress payment schedule building · cooling off period building contract · QBCC residential contract · statutory building contract Australia
Related forms
- Building Permit Application (Multi-state: VIC Form 1 / WA BA1 & BA2 / QLD Building Approval / NSW Development Application)VIC: Form 1 (Application for a Building Permit); NSW: DA form via NSW Planning Portal; QLD: No fixed form number — lodged with private certifier or council; WA: BA1 (certified) / BA2 (uncertified)
- Occupancy Permit / Occupation Certificate (Multi-state: VIC Form 15/16 / NSW OC / QLD Form 11)VIC: Form 15 (Application for Occupancy Permit) + Form 16 (Occupancy Permit); NSW: Occupation Certificate (no fixed form number — lodged via NSW Planning Portal); QLD: Form 11 (Certificate/Interim Certificate of Occupancy, replacing certificate of classification from October 2020)
- Owner-Builder Permit / Licence — QLD, WA, SA, ACT and NTQLD: Owner-Builder Permit Application Form (form-ob-permit-application.pdf); WA: Form 75 (Approval — Owner-builder, updated; old version invalid from 1 June 2026); SA: CBS Online Form (via cbs.sa.gov.au/online-forms); ACT: Application for Construction Occupation Licence — Individual Owner Builder (forms.act.gov.au form code 1166); NT: Owner Builder Application Form (bpb.nt.gov.au)
- Home Building Compensation Fund (HBCF) Certificate of Insurance — NSW / Domestic Building Insurance Certificate — VIC / Home Indemnity Insurance Certificate — WA / QBCC Home Warranty Insurance
- Building Permit Application (Form 1) — All StatesForm 1 (VIC); varies by state
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