Warranty Frameworks Kazakh Investors Should Expect on Turkish Construction Projects
Kazakh investors financing residential, hospitality, or mixed-use construction in Türkiye frequently focus contract negotiations on price and schedule, and treat warranty and defects liability clauses as boilerplate. This is a mistake. Türkiye's construction warranty regime blends Turkish Code of Obligations provisions with sector-specific structural liability rules, and the practical protection an investor receives depends heavily on how these are drafted into the construction contract, not just what the law provides by default.
Structural liability : Under Turkish law, contractors and, in many cases, project supervisors and even the original developer carry extended liability for structural defects, distinct from ordinary workmanship warranties. This liability period for load-bearing and structural elements typically runs well beyond the standard one or two year defects liability period applied to finishes, mechanical systems, and general workmanship. Kazakh investors structuring joint ventures or acquiring completed developments should confirm which party bears this extended structural exposure and whether it has been properly assigned or retained through the corporate chain, particularly where the original contractor has since dissolved or restructured.
Two-Tier Defects Liability Periods
Most FIDIC-influenced contracts used on larger Turkish projects separate the defects notification period from the broader structural liability window. The defects notification period, commonly twelve months from provisional acceptance, covers day-to-day workmanship issues: finishing quality, minor leaks, HVAC calibration, and similar items. Investors should insist this period only begins running from a documented, jointly signed acceptance certificate, not from an informal handover or occupancy date, since Turkish practice sometimes conflates the two to the contractor's advantage.
Separately, structural defects tied to the building's load-bearing system fall under a longer liability horizon grounded in Turkish Code of Obligations provisions on construction contracts (eser sözleşmesi). This distinction matters for Kazakh institutional investors financing build-to-hold assets, since a cracked facade tile is a very different commercial problem than a foundation settlement issue discovered years after occupancy.
Retention and performance bonds : Turkish contracting practice commonly uses retention amounts, typically five to ten percent of contract value, held back and released in tranches tied to the defects notification period expiring. Kazakh investors should negotiate retention release milestones explicitly rather than accepting a single lump release at project close, and should confirm whether retention is held in an escrow-style account or simply as a contractual offset against future payments, which carries different recovery risk if the contractor becomes insolvent.
Performance bonds and advance payment guarantees from Turkish banks are standard on larger projects and provide a more reliable recovery path than pursuing a contractor directly through litigation, which can be slow. Investors should require these bonds to remain valid through the full defects liability period, not just through practical completion, and should verify the issuing bank's standing independently rather than relying on the contractor's assurances.
Practical Steps Before Signing
Kazakh investors evaluating a construction or acquisition contract in Türkiye should commission an independent technical due diligence review of the defects liability clauses alongside legal counsel, since warranty gaps are often buried in schedule annexes rather than the main contract body. Key items to verify include the precise trigger date for each liability period, whether subcontractor warranties are properly assigned to the main contract, and whether the contractor's corporate entity has sufficient capitalization to stand behind its obligations for the full liability window.
For investors acquiring a completed or near-completed asset rather than commissioning new construction, the analysis shifts to confirming what warranty coverage, if any, survives the change of ownership and whether the original contractor remains a viable counterparty years after handover. This is a common gap in cross-border acquisitions where the buyer assumes protections that, on closer reading, expired or were never properly transferred.
A structured pre-acquisition or pre-contract review focused specifically on defects liability, retention mechanics, and bond validity periods gives Kazakh investors a realistic picture of their post-handover exposure, well before any dispute arises.