Learn how property owners can resolve boundary, unlawful occupation and encroachment disputes in Turkey through cadastral surveys, injunctions, compensation claims and court proceedings.

Boundary disputes arise when neighbouring property owners disagree about the exact location of the legal line separating their parcels. Encroachment occurs when a building, wall, fence, balcony, roof, road, pipeline or other structure extends onto another person’s land without sufficient legal authority.

These disputes are common where old cadastral maps, inaccurate fences, unregistered structures, historic occupation or construction errors conflict with current title deed records.

A property owner should not rely only on physical markers such as walls, trees or fences. The legal boundary must be determined through title deed records, cadastral maps, technical measurements and, where necessary, a court-appointed site inspection.

What Is a Property Boundary Dispute?

A boundary dispute may arise where neighbouring owners disagree about:

• the location of the parcel line;
• the surface area of the property;
• the position of a wall or fence;
• the route of an access road;
• cadastral measurements;
• historic boundary markers;
• construction extending beyond the parcel;
• use of agricultural land;
• shared walls or retaining structures;
• access to roads, water or utilities.

The dispute may involve a technical cadastral error, unlawful occupation or disagreement about ownership.

What Is Encroachment?

Encroachment means that a person uses or constructs something on land belonging wholly or partly to another person.

Examples include:

• a villa built partly on neighbouring land;
• a garden wall crossing the cadastral boundary;
• a balcony extending over another parcel;
• a swimming pool constructed outside the title boundary;
• a commercial building occupying part of adjoining land;
• a neighbour cultivating agricultural land without permission;
• a private road passing through another property;
• pipes or utility lines installed without an easement;
• trees or structures interfering with neighbouring ownership rights.

Even a relatively small encroachment may affect title deed value, construction permits, resale and financing.

First Step: Review the Title Deed and Cadastral Records

The property owner should first obtain:

• current title deed record;
• cadastral parcel map;
• historical cadastral documents;
• subdivision or consolidation records;
• zoning plan;
• approved construction project;
• existing easement records;
• land registry annotations.

The Turkish General Directorate of Land Registry and Cadastre maintains cadastral and technical records concerning property boundaries. Its 2026 cadastral materials also address procedures applicable to boundary disputes and technical corrections.

However, an online parcel image or unofficial map should not be treated as conclusive evidence of the exact boundary.

Obtain an Official Boundary Survey

A technical survey is usually essential.

A licensed cadastral and surveying engineer may prepare an application sketch or conduct a boundary determination based on official cadastral coordinates.

The survey may establish:

• the legal parcel corners;
• the location of existing fences and buildings;
• the size of the encroached area;
• whether the problem results from a cadastral error;
• whether the physical boundary conflicts with official records.

The General Directorate’s technical correction rules regulate the correction of certain measurement, boundary and geometric errors in cadastral records.

A private technical report can be useful, but the court may still appoint its own surveyor or cadastral expert.

Can a Cadastral Error Be Corrected Administratively?

Some technical errors may be corrected through the cadastral or land registry administration without filing an ordinary ownership lawsuit.

Administrative correction may be possible where the problem concerns:

• measurement mistakes;
• calculation errors;
• coordinate problems;
• drawing errors;
• technical inaccuracies;
• certain boundary-identification mistakes.

However, an administrative correction procedure cannot normally determine a genuine ownership dispute between competing parties.

If the correction would alter ownership rights or the neighbouring owner objects, court proceedings may be required.

Send a Formal Notice

Before filing a lawsuit, the affected owner may send a formal notice requesting the neighbour to:

• stop the unlawful use;
• remove the fence or structure;
• restore the legal boundary;
• permit a technical survey;
• pay occupation compensation;
• refrain from further construction;
• negotiate a purchase or easement arrangement.

A notice may help prove that the encroaching party knew about the violation and continued using the property.

It may also become important in compensation claims.

Negotiated Settlement

Boundary disputes may sometimes be resolved without prolonged litigation.

Possible settlement options include:

• relocating the wall or fence;
• removing the encroaching structure;
• selling the affected strip of land;
• establishing an easement;
• exchanging portions of neighbouring land;
• paying compensation;
• correcting cadastral records by mutual agreement;
• creating a formal right of way.

Any settlement affecting ownership or a limited property right must comply with the required land registry formalities.

An informal written agreement or verbal promise may not be sufficient to transfer ownership.

Mediation in Boundary Disputes

Voluntary mediation may be used where the dispute is legally suitable for settlement.

Turkish legislation allows mediation concerning the transfer of immovable property or the establishment of limited rights over immovable property, provided the statutory safeguards are followed.

Mediation may be useful where the parties wish to:

• sell the encroached area;
• establish an easement;
• agree on compensation;
• relocate the boundary structure;
• avoid demolition;
• regulate shared access.

Whether mandatory mediation applies depends on the exact nature of the claims. Pure ownership and prevention-of-interference actions should be assessed separately from monetary, commercial or neighbour-law claims.

Action for Prevention of Unlawful Interference

A registered owner whose land is being occupied may file an action for prevention of unlawful interference.

The claimant may request:

• termination of the encroachment;
• removal of the unlawful structure;
• restoration of possession;
• prohibition of future interference;
• compensation for damage;
• occupation compensation.

The claimant must generally prove ownership and the defendant’s unjustified interference.

Demolition of an Encroaching Structure

Where a building or other structure unlawfully extends onto neighbouring property, the owner may request its removal.

However, demolition is not automatic in every case. The court may examine:

• whether the construction was made in good faith;
• the size and importance of the encroachment;
• when the owner discovered it;
• whether the owner objected promptly;
• the value of the structure;
• the degree of hardship caused by demolition;
• whether ownership or an easement may be transferred against compensation.

The legal consequences of an encroaching structure can differ substantially depending on whether the builder acted in good or bad faith.

Good-Faith Encroachment

A builder may claim good faith where they reasonably believed that construction remained within their own parcel.

This may occur because of:

• incorrect boundary markers;
• an inaccurate technical plan;
• reliance on an old cadastral measurement;
• a surveying error;
• misleading information from the seller;
• longstanding physical boundaries.

Good faith does not automatically legalize the encroachment. However, it may affect whether the structure is demolished, whether the affected land is transferred and how compensation is calculated.

Bad-Faith Encroachment

Bad faith may exist where the builder:

• knew the land belonged to another person;
• continued construction after receiving a warning;
• ignored cadastral measurements;
• deliberately moved boundary markers;
• concealed the construction;
• built despite a pending dispute;
• relied on forged or false documents.

Bad-faith encroachment generally places the builder in a weaker legal position and may increase exposure to demolition and compensation claims.

Occupation Compensation

A property owner may seek compensation for the period during which another person unlawfully occupied or benefited from the land.

This compensation is commonly referred to as compensation for unlawful occupation.

The amount may be calculated by considering:

• the rental value of the encroached area;
• the type of property;
• actual use;
• agricultural income;
• commercial benefit;
• duration of occupation;
• market conditions.

Depending on the relationship between the parties and the type of co-ownership, a prior formal demand may be important.

Boundary Determination Lawsuit

Where the location of the legal boundary is uncertain, a boundary determination action may be required.

The court may consider:

• title deed records;
• cadastral maps;
• historic deeds;
• fixed natural or artificial boundaries;
• aerial photographs;
• zoning documents;
• witness statements;
• expert reports;
• on-site measurements.

The objective is to determine the legally valid line between the parcels rather than simply accept the existing physical fence.

Title Deed Cancellation and Registration

A boundary conflict may reveal that part of the land is incorrectly registered in another person’s title deed.

Where ownership registration is legally incorrect, the affected person may seek:

• cancellation of the incorrect registration;
• registration of the disputed area in their own name;
• correction of parcel records;
• compensation if registration cannot be restored.

This type of lawsuit requires particularly careful review of the cadastral history and limitation rules.

Cadastral Court or Ordinary Civil Court?

The competent court depends on the source and procedural stage of the dispute.

A cadastral court may hear certain disputes arising from active cadastral determination procedures. After cadastral records become final, disputes are generally handled by the competent ordinary civil court, depending on the claim.

The 2026 cadastral legislation contains specific rules addressing lawsuits involving disputed parcel boundaries before cadastral courts.

Filing before the wrong court may cause substantial delay.

Interim Injunction

An urgent interim injunction may be requested where:

• construction is continuing;
• the neighbour is expanding the encroachment;
• boundary markers are being removed;
• the property may be transferred;
• evidence may be destroyed;
• the disputed area may be permanently altered.

The court may order a temporary suspension of construction or prohibit further interference until the case is resolved.

The applicant must demonstrate the legal claim and the risk of serious harm.

Evidence Preservation

Boundary conditions can change quickly. Walls may be moved, buildings completed or markers removed.

A property owner may therefore request judicial evidence preservation before the main lawsuit.

The court may conduct an on-site inspection with:

• cadastral engineer;
• surveyor;
• construction expert;
• agricultural expert;
• local witnesses.

Photographs, drone images and private reports may support the claim, but official measurements and court-appointed expert reports usually carry greater evidential weight.

Disputes Involving Agricultural Land

Boundary disputes are especially common in rural areas because of:

• old field boundaries;
• streams changing course;
• informal cultivation;
• missing boundary stones;
• inheritance-based fragmentation;
• unregistered roads;
• cadastral renewals.

Agricultural use over many years does not automatically transfer registered ownership.

The specific legal consequences depend on the title deed, cadastral status and nature of possession.

Shared Walls and Condominium Property

In apartment complexes or attached buildings, a dispute may concern:

• shared walls;
• common gardens;
• parking spaces;
• terraces;
• storage rooms;
• building extensions;
• occupation of common areas.

These cases may involve both property ownership rules and condominium law.

The title deed, approved architectural project and condominium management plan should be examined together.

Foreign Property Owners

A foreign owner has the same basic right to protect registered property against unlawful encroachment.

A foreign owner may appoint a Turkish lawyer through a valid power of attorney to:

• obtain title deed and cadastral records;
• commission technical measurements;
• send formal notices;
• negotiate with neighbours;
• apply for an injunction;
• file court proceedings;
• attend the site inspection;
• appeal the judgment;
• enforce demolition or compensation orders.

A foreign-issued power of attorney may require Apostille or consular legalization and certified Turkish translation.

Legal Remedies and Appeal Process

The appropriate legal strategy may include:

1. examining title deed and cadastral records;
2. obtaining an official boundary survey;
3. applying for correction of a technical cadastral error;
4. sending a formal cease-and-desist notice;
5. pursuing settlement or mediation;
6. requesting evidence preservation;
7. seeking an interim injunction;
8. filing a boundary determination lawsuit;
9. filing an action for prevention of unlawful interference;
10. requesting demolition or restoration;
11. claiming occupation compensation and damages;
12. seeking title deed cancellation and registration;
13. appealing an unfavourable judgment;
14. enforcing the final court order.

The proper claim must be selected according to whether the dispute concerns measurement, registration, ownership, construction or possession.

Frequently Asked Questions

1. Is the existing fence legally decisive?

No. A fence may not correspond to the registered cadastral boundary.

2. How can I determine the official property line?

The title deed and cadastral records should be examined and an official technical measurement should be obtained.

3. Can I personally remove my neighbour’s wall?

Self-help demolition may create civil and criminal liability. Court or administrative procedures should be used.

4. Can an encroaching building be demolished?

Yes, depending on the circumstances. The court will examine ownership, good faith, proportionality and compensation issues.

5. Can the encroached land be sold to the neighbour?

Yes, if the parties agree and complete the transfer through the required land registry procedure.

6. Can I claim rent for the occupied area?

You may seek occupation compensation based on the period and economic value of the unlawful use.

7. Can a cadastral mistake be corrected without a lawsuit?

Certain technical errors may be corrected administratively, but genuine ownership disputes normally require a court decision.

8. Can I stop construction immediately?

You may request evidence preservation and an interim injunction where urgent legal conditions are satisfied.

9. Can a foreign owner file the case without travelling to Turkey?

Yes. A Turkish lawyer may generally conduct the procedure under a valid power of attorney.

Client-Focused Legal Support

Fırat Fesih Kaya Law Office advises foreign and domestic property owners on boundary determination, cadastral errors, unlawful occupation, encroaching construction, demolition claims, interim injunctions and title deed disputes in Turkey.

Lawyer Fırat Fesih Kaya

Phone: +90 312 434 22 22
Mobile: +90 532 769 22 22
Email: info@firatfesihkaya.av.tr

Address: Mevlana Boulevard No:221, Yıldırım Tower No:148, 06520 Balgat, Çankaya, Ankara, Turkey

Legal Disclaimer: This article provides general legal information and does not constitute legal advice. Boundary and encroachment cases must be evaluated according to cadastral records, title deed history, technical measurements, construction status and the parties’ conduct.