Verbal instructions are common on construction sites, but they do not automatically entitle a contractor to additional payment. Whether an oral direction creates a valid claim depends on the contract, the authority of the person giving the instruction, applicable UAE law and the available evidence.
Construction contracts should be checked first for provisions governing variations, notices and additional payment. Federal Decree-Law No. 25 of 2025, which introduced the new Civil Transactions Law from 1 June 2026, is also relevant. Article 829 addresses lump-sum muqawala contracts and circumstances in which modifications may support increased remuneration, while Article 828 deals with notification requirements for certain unit-price arrangements.
Authority is equally important. Instructions from consultants, engineers or site personnel may not be sufficient if those individuals are not contractually authorised to change scope or price.
Project records can strengthen a claim. Emails, meeting minutes, revised drawings, measurements and WhatsApp messages may help establish what was requested and how the parties acted. UAE Evidence Law also recognises electronic communications as potential evidence.
Contractors should therefore confirm verbal instructions promptly in writing and reserve their rights regarding additional cost or time wherever necessary.
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