Extension of Time Claim Template
Template for Extension of Time Claim. Customize this template for your specific needs.
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Document: Extension of Time Claim
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Version 1 • Last updated 7/29/2026
EXTENSION OF TIME CLAIM
Date: [DD/MM/YYYY]
From: [Your Business Name] ABN: [Your ABN] [Your Address] [Your Phone Number] [Your Email]
To: [Principal/Head Contractor Name] [Attn: Project Manager/Superintendent Name] [Business Address]
Project Details: Project Name: [Project Name] Project Address: [Site Address] Contract Number: [Contract Reference Number] Original Date for Practical Completion: [Original Date]
Reference: This claim is made pursuant to Clause [Insert Clause Number, e.g., 4.3] of the [Insert Contract Name, e.g., AS 4000-1997] Contract.
Details of Qualifying Cause: We hereby give notice of a delay to the progress of the Works caused by: [Select one: Inclement Weather / Variation Instruction / Latent Conditions / Industrial Action / Unforeseeable Shortage of Materials / Other].
Description of Event: [Provide a detailed description of the event causing the delay. For weather, list specific dates and rain amounts. For variations, list the variation number and date of instruction. For latent conditions, describe what was found.]
Effect on Progress: Due to the event described above, work on the [Critical Path / Specific Activity, e.g., Excavation / Bricklaying] was unable to proceed.
Period of Delay:
| Date | Work Affected | Reason for Stoppage | Hours Lost |
|---|---|---|---|
| [Date] | [Task] | [Specific Reason] | [Number] |
| [Date] | [Task] | [Specific Reason] | [Number] |
Total Extension Claimed: We claim an extension of time of [Number] working days.
Revised Date for Practical Completion: Based on this claim, the Date for Practical Completion should be adjusted to [New Date].
Supporting Documents: Evidence attached to support this claim includes:
- Site Diary
- Bureau of Meteorology Rain Records
- Photographs
- Correspondence / Emails
- Variation Instruction [Number]
Request for Determination: We request that you grant this Extension of Time in accordance with the contract conditions. Please confirm acceptance of this claim and the revised Date for Practical Completion in writing within [Number] days.
Yours faithfully,
[Authorized Signatory Name] [Position, e.g., Director / Project Manager] [Your Business Name]
About this Template
Part of the Extension of Time Claim document collection
Document Type
Extension of Time Claim
A formal request to a principal or head contractor for more time to complete construction work due to delays outside your control.