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Practical completion definition What does Practical completion mean? In construction practice, practical completion is the point at which the works are sufficiently complete for the employer to take beneficial possession and use the project for its intended purpose, with only minor, non‑material snagging remaining. It is not defined by statute; its meaning arises from standard form building contracts and case law, and is typically determined by the contract administrator/architect issuing a Practical Completion Certificate. Practical completion is not achieved if there are patent defects or material non‑compliances that prevent beneficial use. Its certification usually: ends or suspends the contractor’s exposure to liquidated damages; starts the defects liability/rectification period;...
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Practical completion in agreements for lease: aligning building contract certification, additional preconditions, challenges, remedies, long stop risk, rent commencement and Building Safety Act implications
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Practice notes
Under an agreement for lease that includes development obligations, the tenant’s duty to take the occupational lease only arises once the developer’s works are finished and suitable for the tenant to assume control and occupation. This point is reached when the works are certified as ‘practically complete’.
Practical Completion under the building contract may carry the same meaning as practical completion for the purposes of the agreement for lease, yet the agreement for lease may impose further conditions, as outlined in this Practice Note. It should be noted that the term ‘Completion’ is often used within an agreement for lease and should be kept distinct from ‘practical completion’ of the construction works under a building contract, a concept familiar to construction lawyers. Completion under an agreement for lease typically refers to completion of the lease itself. Completing (or entering into) the lease can occur at a different time from practical completion of the construction works. Accordingly, the timing under each document can diverge.
When does practical completion occur?
There is no settled industry-wide definition of ‘practical completion’, although certain construction contracts adopt a bespoke definition to achieve greater certainty or to suit the specific project...
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Web page updated on 21/05/2026
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Date [ date ] Parties [ name of Landlord ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Landlord) [ name of Tenant ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Tenant) [ [ name of Guarantor ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Guarantor) ] [ [ name of Mortgagee ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Mortgagee) ] Definitions Within this Deed, the terms below shall be interpreted as follows: [ Annual Rent • the annual sum reserved under the Lease; ] [ Insurance Rent • the Tenant’s share of the Landlord’s costs of insuring the Property (as set out in the Lease); ] Lease • the lease of the Property dated [ date ], entered into between (1) [ the Landlord OR [ name ...
I, [ name ], of [ address ], solemnly and sincerely state that: [ Matters to be verified, set out in numbered paragraphs ] I make this solemn statement in good conscience, believing it to be true, and pursuant to the provisions of the Statutory Declarations Act 1835. DECLARED at [ details ] this [ day ] day of [ month and year ] Before me ................................................................................ [ signature of the person before whom the declaration is made ] A [ commissioner for oaths OR [ solicitor OR [ insert other qualification ] ] authorised to administer oaths ]...
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