Glossary

Practical completion (PC)

Practical completion is the stage at which the works are complete and fit for their intended use except for minor defects or omissions that do not prevent occupation. It is certified under the contract and starts the defects liability period.

CONSTRUCTION DEFECT GLOSSARY·UPDATED OCTOBER 2026

Where the word is used

Australian and British contract language. The American equivalent is substantial completion. Either way it is a date on a certificate, and a great deal hangs off it.

On site

PC triggers handover, release of part of the retention, the start of the defects liability period, the end of liquidated damages exposure and, on residential jobs, the start of the owners’ statutory warranty clocks. The pre-completion inspection is the last walk before the certifier’s walk, and the list it produces is what PC is granted subject to.

On the record

How IssuesId holds it

The pre-completion inspection in IssuesId is a reusable checklist run per unit or area; every No raises a defect linked to the question. At PC the handover pack is a set of reports off the same register: the Executive Summary count, the Door Sheet per room, the Purchaser Report per buyer, the Client Defect Summary for the client.

Asked alongside

Two questions people ask

What does practical completion mean?

The works are complete and usable except for minor defects or omissions that do not stop the owner occupying or using them. It is certified under the contract and it starts the defects liability period, triggers release of part of the retention and ends the contractor’s exposure to liquidated damages for delay.

Can practical completion be granted with defects outstanding?

Yes, that is the point of the word practical. Minor defects that do not prevent use are listed and rectified during the defects liability period. A defect that does prevent use, such as a failed fire system or an unsafe stair, stops PC being certified.

Related terms

Definitions describe common usage and the usual shape of standard-form contracts. Your contract and your jurisdiction’s building law set the terms that apply to your job. The whole list is at the glossary.