Discovered construction defects after buying property in Turkey? Learn the 2026 rights of foreign buyers against developers, including repair, price reduction, compensation, contract termination, hidden defects and five-year limitation rules.

Buying a newly constructed apartment, villa or residential property in Turkey does not mean that a foreign buyer loses legal protection once the title deed has been transferred and the keys have been delivered. Serious problems may appear weeks, months or even years later: water leakage, defective waterproofing, structural cracks, roof problems, faulty electrical systems, inadequate insulation, plumbing defects, damaged façades or construction that does not correspond to the promised technical specifications.

Under Turkish law, these problems can potentially constitute defective property, giving the buyer important remedies against the seller or developer.

For qualifying consumer purchases, Law No. 6502 on Consumer Protection provides particularly significant protection. The current consumer legislation remains in force in 2026, and the Ministry of Trade’s April 2026 legislation portal confirms Law No. 6502 together with its current secondary legislation and guidance. (https://ticaret.gov.tr)

Depending on the circumstances, a foreign buyer may potentially request repair of the defects, a reduction in the purchase price, replacement where legally and practically possible, termination of the contract, or additional compensation.

The correct remedy depends on the seriousness of the defect, whether it was visible or hidden, the buyer’s legal status, when the defect was discovered and the evidence available against the developer.

What Is a Construction Defect Under Turkish Law?

A construction defect is not limited to a building being physically dangerous.

A property can potentially be defective when it does not possess the characteristics agreed in the contract or legitimately expected from the transaction.

For example, a foreign buyer may purchase a premium apartment after being promised high-quality waterproofing, thermal insulation and specific flooring materials. After delivery, water may begin entering through the exterior walls, insulation may prove inadequate and cheaper materials may have been substituted.

The property exists and can technically be occupied, but it may still fail to correspond with what the developer was legally obliged to deliver.

The sales agreement, technical specifications, architectural documents, brochures and representations made during the sale can therefore become important evidence.

What Are Common Construction Defects in Turkish Properties?

Construction disputes can involve many different types of deficiencies.

Foreign buyers frequently encounter water penetration from roofs, terraces or exterior walls; defective bathroom waterproofing; basement moisture; structural or plaster cracks; inadequate thermal or acoustic insulation; faulty windows and doors; electrical installation problems; plumbing leaks; drainage defects; heating system failures; damaged common areas; poor-quality flooring; defective façades; missing fixtures; and construction materials that differ from contractual specifications.

More serious cases may involve structural safety concerns, unauthorized alterations to the approved project or significant differences between the property promised and the property actually delivered.

The legal strategy should reflect the severity of the problem.

A leaking bathroom and a potentially dangerous structural defect should not be approached in exactly the same way.

What Rights Does a Foreign Buyer Have Against the Developer?

Where the transaction falls within consumer law and the property qualifies as defective, Law No. 6502 provides alternative remedies.

The buyer may, depending on the circumstances, seek rescission of the contract, a proportionate reduction in the purchase price, free repair of the defective property or replacement with a defect-free equivalent where that remedy is legally and practically appropriate.

The law also permits a consumer to seek compensation under the general principles of the Turkish Code of Obligations together with the relevant statutory remedy. (https://ticaret.gov.tr)

This can be extremely important where the defect causes losses beyond the cost of repairing the building itself.

Can the Buyer Force the Developer to Repair the Property?

Potentially, yes.

For many construction problems, repair is the buyer’s primary objective.

If a newly delivered apartment develops severe water leakage, for example, the foreign buyer may prefer to keep the property and require the responsible party to remedy the waterproofing rather than terminate the entire transaction.

However, the proposed repair should actually eliminate the defect.

A developer should not merely conceal cracks, repaint water stains or carry out temporary cosmetic work where the underlying construction problem remains.

Foreign buyers should document the condition before repair work begins.

Otherwise, valuable evidence may disappear.

Can the Foreign Buyer Claim a Price Reduction?

Potentially.

A price reduction can be particularly appropriate where the buyer wants to retain the property but the defect has permanently reduced its value.

The amount of the claim should not necessarily be calculated only by adding together repair invoices.

A defect may have broader effects on property value.

For example, persistent structural or waterproofing problems can affect the marketability of a high-value property even after partial repairs.

Expert evidence may therefore be necessary to determine the financial difference between the property as contractually promised and the property in its defective condition.

Can the Buyer Terminate the Property Purchase?

In appropriate circumstances, rescission may be available under the consumer-protection framework.

However, cancellation of a completed real estate transaction is a substantial remedy.

The nature and seriousness of the defect, proportionality of the requested remedy, possibility of repair and other circumstances may become important.

A minor cosmetic imperfection will not necessarily justify the same remedy as serious structural deficiencies affecting the essential use or value of the property.

Foreign buyers considering termination should therefore obtain legal advice before taking unilateral steps concerning possession, instalment payments or title arrangements.

Can Additional Compensation Be Claimed?

Potentially, yes.

Law No. 6502 expressly recognizes that a consumer may seek compensation under the Turkish Code of Obligations together with the relevant statutory remedy. (https://ticaret.gov.tr)

Suppose a newly purchased apartment becomes uninhabitable because of severe water infiltration.

The buyer may have to rent alternative accommodation while repairs are carried out. Furniture and personal belongings may be damaged. An investment buyer may lose rental income.

Where causation and the other legal requirements are established, these additional financial losses may need to be considered separately from the cost of repairing the defect itself.

Documentation is critical.

What Is a Hidden Construction Defect?

A hidden defect is particularly important because many serious building problems cannot reasonably be identified during an ordinary pre-delivery inspection.

A foreign buyer may inspect an apartment, see newly painted walls and sign the delivery protocol without realizing that waterproofing beneath the terrace has been improperly installed.

Six months later, heavy rain may expose serious leakage.

Likewise, defective pipes inside walls, inadequate insulation or structural deficiencies may not become apparent until long after occupation.

The fact that the buyer did not identify such a problem while collecting the keys does not automatically mean that all legal rights have been lost.

Does Signing the Delivery Protocol Eliminate the Developer’s Liability?

Not necessarily.

The wording of the delivery protocol and the nature of the defect are important.

A document confirming receipt of the keys should not automatically be treated as proof that the buyer knowingly accepted every concealed construction problem.

However, broad release wording can complicate the dispute.

If defects are already visible at delivery, the buyer should record them expressly in the handover document rather than signing a statement declaring that the property is completely defect-free.

Photographs and videos should also be taken.

Foreign buyers should be particularly cautious where the developer asks them to sign a document waiving all present and future claims.

How Long Does a Foreign Buyer Have to Bring a Defect Claim?

This is one of the most important questions.

Under Article 12 of Law No. 6502, the ordinary limitation period for defective goods is two years from delivery. However, for immovable property intended for residential or vacation use, the statutory period is five years from delivery, unless a longer period is provided by law or contract. (https://ticaret.gov.tr)

For qualifying second-hand residential or vacation property, the seller’s statutory liability period cannot be shorter than three years under the same provision. (https://ticaret.gov.tr)

These periods are highly relevant to foreign property buyers.

A buyer should nevertheless avoid interpreting “five years” as permission to wait. Evidence becomes harder to preserve, building conditions change and arguments concerning the origin of the defect may become more complicated over time.

What If the Developer Deliberately Concealed the Defect?

Intentional concealment can materially change the limitation analysis.

Law No. 6502 provides that where a defect has been concealed through gross fault or fraud, the ordinary limitation protection does not operate in the same manner.

This can become important where, for example, the developer knew of serious recurring water penetration and repainted the property before delivery specifically to hide the problem.

Evidence of previous repairs, construction records, communications with subcontractors or complaints from neighboring owners may become valuable.

A foreign buyer who suspects deliberate concealment should preserve evidence before allowing the developer to alter the affected area.

Should the Buyer Obtain an Independent Technical Expert Report?

Usually, this can be one of the most important steps.

The developer’s own engineer may say that a crack is merely cosmetic or that moisture resulted from the buyer’s use of the property.

An independent architect, civil engineer or other appropriate technical expert may reach a different conclusion.

The report should ideally identify the defect, probable cause, required repair method and estimated repair cost.

For more serious litigation, judicial expert examination may ultimately be required.

The objective is to establish not only that a defect exists but also that it results from construction, materials, design or another matter for which the responsible party may be legally liable.

Should Evidence Be Preserved Before Repairs?

Yes.

This can be critical.

If water is entering through a wall, the foreign buyer may understandably want immediate repair.

However, once the wall is opened, waterproofing replaced and surfaces repainted, evidence concerning the original defect can disappear.

Photographs, videos, technical reports, correspondence and invoices should be preserved.

For substantial disputes, obtaining formal judicial preservation of evidence may also need to be considered before major repair work takes place.

Urgent safety-related repairs should naturally not be postponed merely to preserve evidence, but documentation should be obtained wherever reasonably possible.

Who Can Be Responsible for Construction Defects?

The developer or seller may be the primary defendant, but liability does not necessarily stop there.

Depending on the structure of the project and nature of the defect, other parties may include contractors, subcontractors, architects, engineers or other construction participants.

The foreign buyer should not automatically sue every company associated with the project.

The contractual structure and technical cause of the defect should first be identified.

This becomes particularly important where the developer is insolvent or has ceased operating.

What If the Developer Blames the Contractor?

That does not necessarily eliminate the buyer’s rights against the contractual seller.

A developer may tell the buyer that waterproofing was performed by a subcontractor and that the buyer should contact that subcontractor directly.

The buyer’s legal relationship with the developer should be examined independently from the developer’s internal contractual arrangements.

The developer may potentially have its own recourse rights against contractors.

That does not automatically mean the foreign purchaser must absorb the loss.

What If the Developer Company Has Closed?

This can significantly complicate recovery.

The buyer should investigate whether the company still exists, whether liquidation or insolvency proceedings have begun and whether recoverable assets remain.

Other potentially responsible parties should also be considered where the legal requirements are satisfied.

This is another reason to act quickly after serious defects are discovered.

A technically strong compensation claim has limited practical value if the only liable company has no recoverable assets by the time judgment is obtained.

Are Common-Area Defects Also Actionable?

Potentially.

Problems may affect not only the apartment itself but also the building’s roof, façade, foundation, parking areas, elevators, swimming pools, drainage systems or other common areas.

Responsibility and standing may depend on the nature of the defect and condominium ownership structure.

Where multiple owners experience the same construction problem, coordinated technical investigation may be particularly useful.

For example, water entering several apartments from a defective roof may indicate a building-wide construction problem rather than an isolated defect inside one unit.

What If the Property Does Not Match the Brochure?

Marketing materials can matter.

Foreign buyers frequently purchase off-plan properties after seeing premium brochures showing specific materials, facilities and technical standards.

If the completed project materially differs, the buyer should preserve the original advertisements and promotional documents.

A developer should not automatically assume that every marketing representation is legally irrelevant simply because the final sale contract is shorter.

The contract, preliminary information, technical specifications and representations surrounding the transaction should be analyzed together.

What If the Buyer Purchased the Property for Investment?

Consumer-law protection depends on the nature and purpose of the transaction rather than nationality alone.

A foreign individual purchasing a home for personal purposes may qualify as a consumer, while a company buying multiple units as part of a commercial real estate operation may fall under a different legal framework.

Even where Law No. 6502 does not apply, remedies may still exist under the Turkish Code of Obligations and other applicable rules.

The legal classification should therefore be determined before selecting the court and cause of action.

Where Should the Foreign Buyer File the Claim in 2026?

For qualifying consumer disputes, the value of the claim affects the procedural route.

The Ministry of Trade confirmed that from January 1, 2026, consumer disputes below TRY 186,000 fall within the jurisdictional monetary framework of Consumer Arbitration Committees. For disputes of TRY 186,000 or more, the Ministry’s January 2026 guidance states that the claimant must proceed through the applicable mandatory mediation framework and then the Consumer Court, subject to statutory exceptions. (Ticaret Bakanlığı)

An important exception should not be overlooked: disputes arising directly from rights in rem concerning immovable property are excluded from mandatory consumer mediation under the statutory framework. (Ticaret Bakanlığı)

The exact relief requested must therefore be identified before determining the procedural route.

2026 Consumer Law Update

The Ministry of Trade’s April 2, 2026 legislation update confirms the continuing application of Law No. 6502 and the relevant secondary legislation. (https://ticaret.gov.tr)

There are also updated 2026 monetary thresholds. Consumer Arbitration Committees handle disputes below TRY 186,000, while higher-value qualifying disputes proceed through the appropriate mediation and court route. (Ticaret Bakanlığı)

Administrative penalties under Law No. 6502 also increased by 25.49% from January 1, 2026, reflecting the applicable revaluation rate. (Ticaret Bakanlığı)

These administrative penalties should not be confused with private compensation. A regulatory fine imposed on a developer does not automatically become damages payable to the property buyer.

What Should a Foreign Buyer Do Immediately After Discovering Defects?

The buyer should photograph and video the defects before substantial repairs are undertaken. The purchase agreement, technical specifications, delivery protocol, architectural plans, brochures and communications with the developer should be collected.

An independent technical inspection should then identify the nature and probable cause of the problem.

The developer should be formally notified, and the buyer’s preferred remedy should be determined: repair, price reduction, compensation or, in sufficiently serious circumstances, termination.

For major defects, evidence-preservation proceedings should be considered before the physical condition of the property changes.

Frequently Asked Questions

1. Can I sue a developer for construction defects discovered after buying property in Turkey?

Potentially, yes. Depending on the transaction and nature of the defect, the buyer may have remedies under Law No. 6502, the Turkish Code of Obligations or other applicable rules.

2. What rights do I have if my newly purchased apartment is defective?

For qualifying consumer transactions, possible remedies include free repair, proportionate price reduction, replacement where appropriate or rescission. Additional compensation may also be claimed where the legal requirements are satisfied. (https://ticaret.gov.tr)

3. How long is the limitation period for defective residential property?

Under Law No. 6502, defective immovable property intended for housing or vacation use is generally subject to a five-year limitation period from delivery, unless a longer period applies. (https://ticaret.gov.tr)

4. What if the construction defect was hidden?

Hidden defects can still create liability. The fact that a problem could not reasonably be identified during the initial handover does not automatically eliminate the buyer’s rights.

5. What if the developer deliberately concealed the defect?

Fraudulent or grossly negligent concealment can materially affect the limitation analysis and strengthen the buyer’s position. Evidence of concealment should be preserved carefully.

6. Can I claim compensation for alternative accommodation?

Potentially. If the construction defect makes the property unusable and causes proven additional accommodation costs, those losses may form part of a damages claim where causation and other legal requirements are established.

7. Can I claim compensation for lost rental income?

Potentially, particularly where an investment property could not be rented because of serious construction defects. The claimed loss should be supported by appropriate evidence.

8. Should I repair the defect before suing the developer?

Urgent repairs may be necessary, but evidence should first be preserved wherever reasonably possible. Photographs, videos, independent technical reports and potentially judicial evidence-preservation measures can be important.

9. Does signing the property handover document prevent me from claiming for hidden defects?

Not necessarily. The wording of the document and nature of the defect matter. A standard handover document does not automatically establish that the buyer knowingly accepted concealed construction defects.

10. Where can a consumer bring a property defect claim in Turkey in 2026?

The correct route depends on the nature and value of the claim. For 2026, consumer disputes below TRY 186,000 generally fall within the Consumer Arbitration Committee framework; higher-value qualifying disputes generally proceed through the applicable mediation and Consumer Court process, subject to statutory exceptions. (Ticaret Bakanlığı)

Legal Support for Foreign Buyers with Construction Defect Claims in Turkey

Discovering serious construction defects after paying for and taking possession of a property can substantially reduce its value and create significant repair, accommodation and investment losses. Foreign buyers should not assume that receiving the title deed or signing a standard delivery protocol automatically eliminates their rights against the developer.

Fırat Fesih Kaya Law Office provides legal assistance to foreign property buyers and international investors in disputes involving hidden construction defects, structural problems, water leakage, defective waterproofing, incomplete construction, developer liability, price reduction, repair claims, contract termination and compensation proceedings.

If you have discovered defects after purchasing a property in Turkey, you may contact our office for a case-specific legal assessment. Fırat Fesih Kaya can assist with reviewing the sales and technical documentation, preserving evidence, evaluating expert findings, determining the appropriate remedy and pursuing compensation or other legal proceedings against the responsible parties.

Early legal intervention is particularly important where defects are being repaired, the developer denies responsibility or limitation periods may become relevant. Properly preserving technical evidence at the beginning can significantly strengthen a later claim.

Phone: +90 312 434 22 22
Mobile Phone: +90 532 769 22 22
Email: info@firatfesihkaya.av.tr
Address: Mevlana Boulevard No: 221, Yildirim Tower No: 148, 06520 Balgat, Cankaya, Ankara, Turkey