Turnkey construction

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Turnkey construction ( SF or SF construction for short ) describes construction measures that are carried out by the contractor ( general contractor ) from the start of construction to completion and then handed over to the client (usually the builder ) as "turnkey". However, the term “turnkey” is not clearly defined in legal terms. This then results in differences in the degree of completion for different providers (such as painting, fitted kitchens, floor coverings, gardens). In contrast, the term ready for occupancy denotes the completion of essential work (see readiness for occupancy ).


The term is regularly used as a designation for construction contracts that include the service up to this stage (so-called turnkey contract). The construction work is often, but not necessarily, carried out at a flat rate . The aim of the client is to transfer all responsibilities and obligations for the on-time and contractual fulfillment of a construction project to the contractor. The client then symbolically receives the key upon handover. Turnkey construction for property developers or prefabricated house suppliers is typical .

In a figurative sense, the term is also used for other complex projects in plant construction , such as a complete power plant.

Individual evidence

  1. Manfred Hoffmann: Number tables for the construction company . Teubner Verlag, 2006, ISBN 3-519-65220-X , page 179.