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Market · 14 August 2026 · 2 min read

Project extensions: the contract and the bond need separate checks

A revised completion date does not automatically amend an insurer’s guarantee. August’s briefing examines the documents to review together.

A surveyor checking progress at an active construction site

Illustrative image supplied by FDI Insurance

A project extension changes the contractor’s timetable. Whether it changes the bond depends on the instrument. Some guarantees expire on a fixed date, others follow a defined event, and others contain extension provisions that need to be read carefully.

The broker should obtain the amended programme, reasons for delay and any proposed variation to the guarantee. Additional time can mean additional exposure, premium or security requirements. A beneficiary’s request to extend and an insurer’s agreement to do so are separate steps.

The underlying finances also need refreshing. Delayed completion can postpone retention release and final payment while adding site costs. A revised cash forecast is more useful than the original award budget when the remaining programme has materially changed.

The practical objective is continuity on agreed terms. Establish the current expiry, notice requirements and approval process before the beneficiary’s deadline. Neither the contractor nor the employer should rely on an extension that has only been discussed verbally.

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