Should I hire an inspector for practical completion?

Many homeowners find this worthwhile. An independent building inspector can identify defects that are easy to miss, such as waterproofing issues, incomplete insulation, or substandard finishes. Inspectors commonly find a range of items that need attention. Booking ahead of your expected handover date is a good idea.

Can I refuse practical completion?

This depends on the terms of your contract. Generally, major incomplete items or significant defects may give you cause to withhold sign-off, while minor cosmetic defects typically go on a defect list for the builder to address after handover. If there is a disagreement, it is worth putting concerns in writing and seeking independent advice from a building consultant or your state's consumer protection body.

What should be on my practical completion checklist?

Common items to check include: all doors and windows open and close properly, taps deliver hot and cold water, no paint defects or scratches, tiles are level, grouting is complete, all powerpoints and switches work, smoke alarms installed, landscaping and driveway complete per contract, no cracks in walls or ceilings, wet areas are properly waterproofed, and all appliances are installed and working. Taking photos is a good idea for your records.

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Construction Phases

Practical Completion

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By George Giannakakis · M.Arch · RLA300580 · HIA Industry Judge

Last reviewed: 1 March 2026 · How we research

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Practical Completion explained in detail

The stage when construction is essentially complete and the home is ready to live in, even if minor defects remain to be fixed. Practical completion triggers the final progress payment and handover of keys. Also known as 'PC' or 'completion'. The defects liability period typically begins from this date - the length varies by contract type. Many people find it helpful to have an independent building inspector present at this stage, as the practical completion inspection is an important step in the handover process. Contract terms around defects and final payments differ, so it's worth understanding your specific contract before signing off.

Related Terms

Frequently Asked Questions

Common questions about practical completion

At practical completion, the builder has essentially finished your home. You do a final inspection (defect inspection) to identify any issues. The final progress payment is typically due, you receive the keys, and warranty periods begin. The builder is generally required to fix identified defects within the defects liability period, though timeframes vary by contract.

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Helpful Guides

Adelaide Build Cost Report 2026

Per-sqm rates, site costs & ranges

Home Builders Adelaide

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First Home Buyer Guide

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Authoritative Sources

Verify against the binding rules in your state

BuildPilot is an independent home-build CoPilot - we publish guidance, we don't hold a building licence. Every Australian residential build must comply with the National Construction Code plus state-specific Acts and consumer-protection law. The authorities below are the primary sources of truth for the rules that actually apply to your project.

National

National Construction Code (NCC)

Australian Building Codes Board (ABCB)

The primary national set of technical building standards that every Australian build must comply with. Volume 2 covers Class 1 & 10 buildings (most homes).

Australian Standards (AS / AS-NZS)

Standards Australia

Specific material, product and method standards (e.g. AS 3700 masonry, AS 1684 timber framing) referenced by the NCC.

Housing Industry Association (HIA)

HIA

National peak body for residential builders. Publishes the most widely used home-building contracts and consumer guidance.

Master Builders Australia (MBA)

Master Builders Australia

National peak body for general builders. Publishes commercial and residential contracts and industry guidance.

By state & territory

South AustraliaSA

Consumer and Business Services (CBS)

VictoriaVIC

Victorian Building Authority (VBA)

New South WalesNSW

NSW Building Commission (within Department of Customer Service)

QueenslandQLD

Queensland Building and Construction Commission (QBCC)

Western AustraliaWA

Building and Energy (within Dept of Energy, Mines, Industry Regulation and Safety)

TasmaniaTAS

Consumer, Building and Occupational Services (CBOS)

Australian Capital TerritoryACT

Access Canberra (Construction Occupations Registrar)

Northern TerritoryNT

Building Practitioners Board / NT Worksafe (Building)

Links above open the public website of each authority. BuildPilot is not affiliated with these bodies and does not act on their behalf. Information on this page is general - check the current edition of the NCC and the relevant state Act for binding requirements.