What is practical completion on a home building project?
Practical completion is a defined contractual milestone, not a feeling that the job is nearly done. The exact test and consequences depend on your contract. Before the final stage payment, agree what remains, what documents are due and how defects will be addressed.
Why the date matters
Completion can affect payment, responsibility for the works, insurance, keys, use of the rooms and the start of any defects or rectification period. The JCT publishes Home Owner contracts and associated administration forms, including completion records. The contract used on your project governs the actual process; do not borrow a certificate or definition from a different form and assume it applies.
What to check on site
Are the agreed rooms and services usable and safe for the intended purpose?
Have the structural, fire-safety, weatherproofing and access items been finished and tested as required?
Are the agreed inspections, certificates, commissioning records, manuals and warranties available?
What defects or incomplete items remain, who will fix them and by when?
Do the payment and retention terms match the actual work completed?
A small cosmetic snag may be managed after completion under the right contract. An unfinished bathroom, unresolved leak or missing safety-critical item deserves a different assessment. The line is fact-specific. Building control sign-off addresses regulatory matters and is not a workmanship warranty.
Make a dated record
Walk the site against the scope and latest drawings. Photograph each issue, label its location, assign responsibility and record a target date. Distinguish incomplete work from a defect in completed work. Note any disputed items separately instead of hiding them in a general “snagging” list. Agree the outcome in writing with the builder and the contract administrator, if one is appointed.
Do not let payment run ahead
Check what the contract actually says about the completion payment, valuation of unfinished work and any retention. Avoid either paying simply because a date has arrived or withholding sums without understanding the contract and advice appropriate to a dispute. Our payment schedule guide explains the underlying discipline, and the poor workmanship guide covers evidence and next steps.
Not sure what has been finished or what remains payable? Build Advocate can assess the available scope and evidence from the homeowner’s side and identify when a surveyor, engineer or legal adviser is needed. See the comprehensive £999 package.
