Is your property in Turkey smaller than the size promised by the developer? Learn the 2026 rights of foreign buyers to claim a price reduction, compensation, contract termination and damages for missing square meters.

Foreign buyers purchasing newly built or off-plan property in Turkey may discover at delivery that the apartment, villa or commercial unit is significantly smaller than the area promised in the sales contract, brochure, floor plan or marketing materials. An apartment advertised and sold as 150 square meters may measure only 130 square meters when completed, creating a substantial difference in both usable space and market value.

This is not necessarily a minor construction issue.

Depending on the contract, the method used to describe the property’s area and the seriousness of the discrepancy, delivery of a smaller property can potentially constitute defective or incomplete performance under Turkish law. Where the purchaser qualifies as a consumer, Law No. 6502 on Consumer Protection can provide important remedies, including a proportionate reduction in the purchase price, termination in appropriate circumstances and compensation for additional losses.

The current consumer-protection framework remains applicable in 2026, and the Ministry of Trade’s updated April 2026 legislation portal continues to identify Law No. 6502 and its secondary regulations as the operative framework. (https://ticaret.gov.tr)

For foreign buyers, however, the first question should be more precise than simply asking, “How many square meters are missing?” The buyer must determine which type of square-meter measurement was actually promised.

Gross Area and Net Area Are Not the Same

Many property-size disputes in Turkey begin because the parties use different definitions of area.

A developer may advertise a property using a gross area that incorporates walls or other legally relevant components, while the foreign buyer believes the advertised figure represents the actual usable interior area.

This distinction can produce a major difference.

For example, an apartment marketed as having a particular gross area will not necessarily provide the same number of square meters of usable internal living space.

Accordingly, a buyer should not establish a claim merely by measuring the rooms and subtracting that figure from the number appearing in an advertisement.

The sales contract, architectural plans, project documents, brochure and technical specifications should first be reviewed to determine what was actually promised.

What If the Contract Specifically Promises a Certain Size?

The buyer’s position can become substantially stronger where the contract clearly identifies the property’s area.

Suppose a foreign purchaser buys an apartment under a contract expressly describing the unit as having a net usable area of 140 square meters.

After delivery, a professional technical measurement establishes that the actual relevant area is only 122 square meters.

An 18-square-meter discrepancy may represent a significant failure to deliver the contractual characteristics of the property.

The buyer may therefore have grounds to seek an appropriate financial remedy.

The seriousness of the discrepancy, contractual wording and effect on the property’s value will all matter.

Can a Smaller Property Be Considered Defective?

Potentially, yes.

Under the Turkish consumer-protection framework, a product can be defective where it does not possess characteristics agreed by the parties or reasonably expected based on relevant representations.

The statutory framework gives consumers several alternative remedies where defective goods are established. These can include rescission, a reduction in price proportionate to the defect, free repair where appropriate and replacement where legally and practically applicable. The consumer may also seek compensation under the general rules where the statutory requirements are met. (https://ticaret.gov.tr)

Real estate naturally requires a property-specific application of these remedies.

Where an apartment is permanently smaller than promised, “repair” may be practically impossible. A price reduction or compensation claim can therefore become particularly important.

Can the Foreign Buyer Claim a Price Reduction?

Yes, potentially.

A proportionate price reduction is one of the most important remedies where the delivered property has a lower value because of the discrepancy.

The calculation should not automatically be made by applying a simple price-per-square-meter formula.

For example, if the buyer paid EUR 500,000 for a 200-square-meter property but received 180 square meters, it may be tempting to conclude immediately that the buyer lost exactly 10% of the purchase price.

The legal valuation can be more sophisticated.

The effect of the missing area on the value of the property should be determined using an appropriate valuation methodology, frequently with expert assistance.

How Can Compensation Be Calculated?

Turkish judicial practice can require comparison of the value of the property as promised with its value in the defective or incomplete condition actually delivered.

In litigation concerning incomplete residential performance, the Constitutional Court’s published case-law database records Court of Cassation reasoning requiring expert assessment of the property’s value in the promised condition and its value with the deficiencies, followed by calculation of the appropriate reduction through a proportional methodology. (Kararlar Bilgi Bankası)

This is important for foreign buyers.

A court does not necessarily compensate missing square meters by multiplying the missing area by an arbitrary internet listing price.

A technical and valuation expert assessment may be required.

Example of a Missing Square Meter Claim

Assume that a foreign buyer signs a contract for a newly built apartment described as having a specified 160-square-meter area.

The purchase price is EUR 640,000.

After completion, the buyer commissions a professional measurement and alleges that the property provides only 142 square meters under the contractual measurement standard.

The missing 18 square meters represents an 11.25% difference.

However, the buyer should not immediately assume entitlement to exactly 11.25% of EUR 640,000.

The claim should consider the contractual definition of area, architectural documentation, location of the missing space, effect on usability and the property’s relative market value.

Expert evidence may determine the appropriate price reduction.

Can the Buyer Cancel the Entire Property Purchase?

Potentially, although termination is a more substantial remedy.

Not every small measurement difference will justify cancellation of a high-value property transaction.

The seriousness of the discrepancy and applicable legal framework matter.

A very small technical difference may lead primarily to a price adjustment dispute. A substantial discrepancy that materially changes the character, usability or value of the property may support stronger remedies.

Under the consumer-protection framework, rescission is among the statutory remedies available for qualifying defective goods, subject to the applicable legal requirements. (https://ticaret.gov.tr)

A foreign buyer considering termination should obtain legal advice before returning possession, stopping instalments or taking unilateral action.

What If the Developer Says the Contract Uses Gross Square Meters?

The contract must be examined.

A developer cannot necessarily be held responsible merely because the buyer assumed that an expressly identified gross-area figure represented net usable space.

Conversely, a developer should not be able to avoid responsibility simply by describing a substantial discrepancy as a misunderstanding about “gross area” if the contractual documents and marketing materials clearly promised something different.

The dispute therefore requires comparison of all relevant documents.

The purchase agreement should be read together with the floor plan, technical specifications, architectural plans and legally relevant representations made during the sale.

Are Property Brochures and Advertisements Important?

They can be extremely important.

Foreign buyers frequently purchase off-plan properties after reviewing project brochures, websites, floor plans, presentations and promotional materials.

These materials should be preserved.

If a developer repeatedly represented that a particular unit had a specific size and the completed unit materially differs, those representations may provide important evidence concerning what the buyer was promised.

The original version of digital advertisements should be preserved where possible because project websites can later be changed.

Screenshots, downloaded brochures, emails and dated sales presentations may become valuable evidence.

What If the Floor Plan Shows a Larger Property?

The approved and contractual project documentation should be investigated.

If the developer provided a specific floor plan showing room dimensions and the completed apartment materially differs, the difference can support the buyer’s position.

However, the evidentiary value of a sales illustration and an officially approved architectural plan may differ.

The buyer should therefore obtain the available project documents and compare them with the actual construction.

A technical expert can identify whether the discrepancy arises from measurement methodology or from an actual reduction in the property delivered.

Independent Measurement Is Essential

A foreign buyer who suspects that the property is smaller than promised should obtain an independent technical measurement.

Relying exclusively on the developer’s own measurement can create an obvious evidentiary problem.

The expert should understand which area definition must be measured.

A report that merely states “the apartment measures 125 square meters” without explaining the measurement methodology may be inadequate.

The report should ideally identify the relevant contractual or technical standard, measurements taken, areas included or excluded and resulting discrepancy.

What If the Buyer Already Signed the Delivery Protocol?

Signing a delivery document does not necessarily eliminate every possible claim, but its wording can become highly important.

Developers frequently ask purchasers to sign a standard protocol when receiving the keys.

The document may contain language stating that the buyer inspected the property, accepted it without reservation and has no outstanding claims.

A foreign purchaser who has already discovered a measurement discrepancy should therefore avoid signing broad release language without legal review.

Where the issue has been identified, the buyer should consider recording the objection expressly.

Hidden Size Differences May Be Discovered Later

Some buyers do not discover the discrepancy immediately.

The property may appear approximately consistent with expectations until the buyer later commissions an architect, valuation expert or surveyor.

This makes limitation periods particularly important.

Under Law No. 6502, the general defective-goods limitation period is two years, but for immovable property intended for housing or vacation use, the period is five years from delivery, unless a longer period applies under the law or contract. For second-hand housing or vacation property, the statutory minimum liability period referenced by the legislation is three years. (https://ticaret.gov.tr)

The precise classification of the claim and whether there has been gross fault or fraudulent concealment can materially affect the limitation analysis.

Foreign buyers should therefore act promptly rather than waiting until the property is sold years later.

What If the Developer Deliberately Concealed the Difference?

Intentional concealment can significantly affect the dispute.

A developer that knowingly builds or delivers a materially smaller unit while continuing to represent that the promised area has been provided may face a different legal position from a developer involved in a genuine measurement dispute.

Under the Consumer Protection Law, statutory limitation protections for defective goods do not operate in the same way where the defect has been concealed through gross fault or fraud. (https://ticaret.gov.tr)

Evidence of intentional concealment should therefore be preserved.

Internal correspondence, inconsistent floor plans, revised project documentation and statements from sales representatives may become relevant.

Can the Buyer Claim Additional Damages?

Potentially.

The consumer’s statutory remedies do not necessarily exclude a claim for additional compensation where the requirements under the Turkish Code of Obligations are satisfied. The Consumer Protection Law expressly recognizes the possibility of demanding compensation alongside the relevant statutory remedy. (https://ticaret.gov.tr)

The buyer must nevertheless prove the additional loss and its connection to the developer’s breach.

For an investment property, a smaller unit may potentially affect rental value or resale value.

For a commercial property, reduced usable space may interfere with the buyer’s intended business operation.

Each claimed loss should be documented separately.

What If the Property Was Purchased for Turkish Citizenship?

The dispute can become particularly sensitive where a foreign buyer purchased the property as part of a citizenship-by-investment strategy.

A compensation or price-reduction dispute does not automatically mean that the citizenship process is cancelled.

However, any proposed rescission, title transfer, repayment arrangement or material restructuring of the original transaction should be examined carefully if the property was relied upon for an immigration or citizenship application.

The real estate dispute and the immigration consequences should therefore be coordinated rather than handled independently.

What If the Property Was Bought as a Commercial Investment?

Consumer protection may not apply to every acquisition.

A foreign individual buying a home for personal purposes can have a different legal status from a company purchasing multiple units as part of a commercial investment strategy.

Whether the purchaser qualifies as a consumer depends on the nature and purpose of the transaction, not merely nationality.

If consumer law does not apply, contractual warranty and liability rules under the Turkish Code of Obligations may still provide remedies.

The correct legal framework should therefore be identified before proceedings begin.

Can the Buyer Sue the Developer?

Potentially.

Where negotiations fail, the foreign buyer may pursue the appropriate legal proceedings against the responsible seller or developer.

The competent forum depends on the legal nature of the transaction.

A qualifying consumer transaction can fall within the consumer-dispute system, while commercial or other property transactions may require a different court.

The value of the claim also matters for procedural purposes.

Before filing, mandatory mediation requirements applicable to the particular dispute should also be examined.

Evidence Needed for a Strong Compensation Claim

A foreign buyer should preserve the purchase agreement, preliminary information forms, floor plans, architectural documentation, technical specifications, brochures and advertisements.

Payment evidence and the title deed should also be retained.

The buyer should obtain an independent technical measurement and, where necessary, a property valuation establishing the financial effect of the discrepancy.

Emails and messages with the developer are particularly important if the developer admits the missing area or proposes compensation.

The objective is to establish three matters clearly: what was promised, what was delivered and what financial difference resulted.

2026 Consumer Protection Update

The fundamental defective-property remedies remain part of the consumer-protection framework in 2026. The Ministry of Trade’s updated April 2026 legislation portal continues to publish Law No. 6502 together with the current secondary legislation and guidance. (https://ticaret.gov.tr)

There is also a significant 2026 enforcement update. Administrative penalties imposed under Law No. 6502 increased by 25.49% from January 1, 2026, following the official revaluation mechanism. The Ministry of Trade has published the updated 2026 amounts. (Ticaret Bakanlığı)

Administrative sanctions and private compensation must nevertheless be distinguished.

A regulatory penalty imposed on a developer does not automatically become money payable to the foreign buyer. The purchaser must independently establish the private-law claim for price reduction, rescission or damages.

What Should a Foreign Buyer Do Immediately?

The buyer should first avoid relying solely on informal measurements.

The contract and project documentation should be collected and an independent professional measurement obtained using the correct area definition.

The buyer should then formally document the discrepancy and preserve all communications with the developer.

A legal assessment should determine whether the problem constitutes defective performance, incomplete performance or another contractual breach and which remedy offers the strongest financial result.

If the developer proposes a settlement, the buyer should compare the offer against the actual reduction in property value before signing a waiver.

Frequently Asked Questions

1. Can I claim compensation if my apartment in Turkey is smaller than promised?

Potentially, yes. If the property materially fails to correspond with the contractual characteristics, the buyer may have rights involving a price reduction, damages or another statutory remedy depending on the transaction.

2. Is the difference between gross and net square meters important?

Yes. It is often the central issue. The contract and project documentation must be reviewed to determine whether the promised figure represented gross, net or another defined area.

3. Can I simply multiply the missing square meters by the purchase price per square meter?

Not necessarily. The financial loss may require expert valuation comparing the property’s promised value with its value as actually delivered. Turkish judicial practice recognizes proportional valuation methods in defective and incomplete residential performance disputes. (Kararlar Bilgi Bankası)

4. Can I cancel the purchase if the apartment is significantly smaller?

Potentially. Rescission is among the remedies recognized under the consumer-protection framework for qualifying defective transactions, but whether it is appropriate depends on the seriousness of the discrepancy and applicable legal requirements. (https://ticaret.gov.tr)

5. What if the developer’s brochure promised a larger apartment?

Preserve the brochure. Marketing materials, floor plans and representations made during the sale can become important evidence concerning the characteristics promised to the buyer.

6. Should I obtain an independent measurement?

Yes. An independent technical report explaining both the measurement and the methodology can be one of the most important pieces of evidence in the dispute.

7. What if I already signed the delivery document?

The effect depends on its wording and the circumstances. A delivery protocol can become important evidence, particularly if it contains broad acceptance or release language, but it does not necessarily resolve every concealed or subsequently discovered defect.

8. How long do I have to claim for a defective residential property?

Under Law No. 6502, liability for defective immovable property intended for housing or vacation use is generally subject to a five-year period from delivery, unless a longer period applies. Different rules can arise in cases involving concealment through gross fault or fraud. (https://ticaret.gov.tr)

9. Can a foreign buyer claim damages in addition to a price reduction?

Potentially, yes. The Consumer Protection Law recognizes the possibility of seeking compensation under the Turkish Code of Obligations together with the relevant statutory remedy where the legal requirements are satisfied. (https://ticaret.gov.tr)

10. Does being a foreign national reduce my property compensation rights?

Foreign nationality does not by itself eliminate contractual or consumer-protection remedies. The transaction, buyer’s legal status, contract and nature of the defect determine the applicable rights.

Legal Support for Foreign Buyers Facing Property Size Disputes in Turkey

A property delivered materially smaller than promised can cause substantial financial loss. The dispute may affect the property’s market value, rental potential, resale price and the buyer’s original investment calculations. The correct claim therefore requires more than simply counting the missing square meters.

Fırat Fesih Kaya Law Office provides legal assistance to foreign property buyers and international investors in disputes involving missing square meters, defective or incomplete property delivery, developer liability, misleading project specifications, price reduction claims, contract termination and real estate compensation proceedings in Turkey.

If the apartment, villa or commercial property delivered to you is smaller than the area promised in your contract, floor plan or project materials, you may contact our office for a case-specific legal assessment. Fırat Fesih Kaya can assist with reviewing the contractual measurement standard, coordinating technical evidence, evaluating the reduction in property value and determining whether a price reduction, compensation or another legal remedy should be pursued.

Early legal assessment can also prevent a foreign buyer from unintentionally waiving valuable rights by signing an unconditional delivery or settlement document.

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