A Turnkey Agreement is a development contract in which the developer agrees to deliver a fully completed and operational property to the buyer or investor. In UK property development finance, this structure shifts most construction and delivery risk to the developer, who handles design, build, and compliance. The end product is ‘turnkey’—ready for immediate use or occupation. These agreements are common in build-to-rent or pre-let schemes, offering investors minimal involvement during construction and certainty over the final asset quality, timeline, and cost.
In practice, a Turnkey Agreement is often used where investors, funders, or end occupiers require a high degree of certainty over delivery obligations before committing capital. As a form of Contractual Agreement, it typically defines completion standards, delivery milestones, defect liability provisions, and remedies for delay, helping allocate risk between the parties from the outset. This can be particularly relevant where development funding is supported by an Enabling Works Loan, as lenders will often assess whether contractual delivery commitments remain achievable throughout the project lifecycle. Ongoing monitoring is commonly linked to Programme & Delivery performance to ensure construction progress remains aligned with agreed completion dates and commercial objectives.
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