Petition & Template

Sample Water Leak Report and Cost Allocation Notice

In a water or gas leak, the source and who bears the cost must be recorded in writing. We provide two templates: an inspection report and a cost allocation notice.

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Sample Water Leak Report and Cost Allocation Notice — cover image
Apt Yönet 03 Ağu 2026 3 min 10 38

Who Pays? The Decisive Distinction

Who bears the cost of a water or gas leak depends on whether it originates from the shared installation or from the plumbing inside a unit.

  • Shared installation: the cost is shared among all owners in proportion to land shares. Main risers, lines before the shared meter and the main pipe fall into this category.
  • Inside a unit: both the repair and the damage caused to a neighbouring flat fall on that unit's owner.
  • Where a tenant is at fault: the tenant may also be liable, and the owner can seek recourse for what they paid.

Payments made before this is established may not be recoverable later. Determine the source first, then pay.

How Is the Source Established?

Leak detection should be carried out and reported by an authorised company. The management, the occupant of the damaged flat and the occupant of the flat said to be the source should all be present.

If a party refuses to sign the report, an application can be made to the Civil Court of Peace to preserve evidence. A court-supervised inspection carries far more weight in later proceedings.

Copyable Leak Inspection Report Sample

……………………… APARTMENT / COMPLEX

WATER / GAS LEAK INSPECTION REPORT

Report No: ……    Date: …/…/20…    Time: ……:……

1. DATE DAMAGE REPORTED: …/…/20…

2. UNIT AFFECTED: Unit no. …… — Occupant: ………………

3. DESCRIPTION OF DAMAGE: ……………………… (damp and blistering paint on the ceiling / mould on the wall / swollen flooring / damaged furniture) — Approximate area affected: …… m²

4. INSPECTION CARRIED OUT BY: ……………………… (company / authorised technician) — Reference: ………………

5. METHOD: ……………………… (thermal imaging / pressure test / visual inspection)

6. SOURCE OF LEAK: ……………………… (bathroom plumbing of unit no. …… / main riser / shared hot water pipe / roof waterproofing)

7. CLASSIFICATION: Shared installation / Plumbing inside a unit

8. PROPOSED REPAIR AND ESTIMATED COST: ……………………… — ………… TRY

9. EMERGENCY MEASURES TAKEN: ……………………… (relevant valve closed / water shut off)

This report has been drawn up and signed in the presence of the parties to record the source of the leak and the damage.

Manager ……………… Signature
Occupant of damaged unit ……………… Signature
Occupant of unit concerned ……………… Signature
Inspecting technician ……………… Signature

Note: Party refusing to sign: ……………… (if any)

Copyable Leak Inspection Report Sample

Copyable Cost Allocation Notice Sample

……………………… APARTMENT / COMPLEX MANAGEMENT

COST ALLOCATION NOTICE

Date: …/…/20…

Dear ……………………… (Full Name) — owner of independent unit no. ……,

By inspection report no. …… dated …/…/20…, the water leak affecting unit no. …… was found to originate from ……………………… (the plumbing inside your unit / the shared installation).

The breakdown of repair and remediation costs is as follows:

– Leak detection: ………… TRY
– Plumbing repair: ………… TRY
– Repairs in the affected unit: ………… TRY
– Other: ………… TRY
TOTAL: ………… TRY

Based on the inspection, ……………………… (this amount falls entirely on you / the amount has been allocated among the owners in proportion to land shares and your share is ………… TRY).

We kindly request payment of that amount into account ……………… by …/…/20…. Failing payment, the sum will be pursued as a common expense claim through legal channels.

……………………… Apartment/Complex Management

Manager: ……………… (Full Name) — Signature

ANNEXES: 1) Inspection report 2) Invoices and receipts 3) Photographs

Copyable Cost Allocation Notice Sample

Filling Guide

In the report, always record the source and the classification (shared or internal) on a separate line. The whole cost allocation rests on that finding.

Take dated photographs showing both the damage and the source. A photograph of the damage alone does not prove where it came from.

Obtain a survey and cost estimate before repairs. Once the work is done, proving the extent of the damage becomes very difficult.

If Payment Is Not Made

Costs arising from the shared installation are common expenses, so non-payment can be pursued under Article 20 of the Condominium Law with late payment compensation accruing.

For damage from plumbing inside a unit, the rules on tort apply: send a notarial notice and, failing payment, bring a compensation action before the Civil Court of Peace.

If the home insurance policy covers water damage, the loss can also be claimed from the insurer, who may then seek recourse against the party at fault.

Common Mistakes

  • Repairing before inspection: without establishing the source, liability remains disputed.
  • A one-sided report: a report made without inviting the occupant concerned is weak.
  • Ignoring the shared/internal distinction: it is the sole basis for allocating the cost.
  • Not keeping invoices: undocumented costs cannot be claimed.
  • Missing the limitation period: tort claims are subject to time limits.

This content and these templates are for information only and are examples. Adapt them to your specific situation.

Download as PDF and Word

You can download the petition text above in two different formats. The PDF version is ready to print and submit directly; the Word (DOCX) version can be opened with Microsoft Word or LibreOffice and edited to add your own details.

Download this template

Download the petition above as PDF or Word and adapt it to your situation.

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1 Copyable Leak Inspection Report Sample
2 Copyable Cost Allocation Notice Sample

Frequently Asked Questions

Answers to the most common questions on this topic — click a question to expand.

If the leak comes from the shared installation, the cost is shared among all owners in proportion to land shares. If it comes from plumbing inside a unit, both the repair and the damage to the neighbouring flat fall on that unit's owner. Establishing the source first is therefore essential.

Record the refusal in the report and have it signed before two witnesses. A stronger route is to apply to the Civil Court of Peace to preserve evidence; a court-supervised inspection is decisive in later proceedings. The application should be made before any repair.

The owner may also be liable towards affected third parties, but where the fault lies with the tenant the owner can seek recourse for what they paid. Apportionment depends on whether the leak arose from the tenant's use or from a structural problem. Recording this distinction in the report matters.

Main water and heating risers, lines before the meter, main pipes, roof waterproofing and the façade are generally treated as common areas and shared installations. Plumbing inside a unit belongs to the owner. The boundary may be defined in the management plan, which should be checked first.

Tort claims must be brought within two years of learning of the damage and the person responsible, and in any event within ten years of the act. Different periods may apply to claims that qualify as common expenses. Act promptly after the inspection so the deadline is not missed.
Prepared by the Apt Yönet expert team

The content is prepared by the Apt Yönet team, drawing on 8 years of hands-on experience in apartment and residential-complex management, in line with current legislation and Court of Cassation rulings.

Published: Category: Petition & Template
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