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Legal Interest on Rents
Droit Immobilier

Legal Interest on Rents

📅 Decision of 18 February 1987🔄 Updated on 5 October 2026⚖️ Cour de cassation👁️ 18 views📖 1 min read

Legal interest on unduly received rents may be awarded from the date of the legal claim or from each subsequent due date.

Reference decision: cc • No. 85-14.545 • 1987-02-18 • Consult the decision →

This decision sheds important light on your property law. Here is what it changes for you.

The situation

Legal interest on unduly received rents may be awarded from the date of the legal claim or from each subsequent due date.

What the law says

This decision confirms the fundamental principles of property law.

Key takeaways

  • Strictly comply with legal time limits for appeals
  • Keep all your supporting documents (deeds, notarial acts, correspondence)
  • Be proactive: preventive advice is always cheaper than litigation

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📌 Does this apply to your situation? Maître Cécile Zakine, French real estate lawyer, practises throughout France.
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Legal information

  • Number: 85-14.545
  • Court: Cour de cassation
  • Decision of: 18 February 1987

Keywords

droit immobilierjurisprudenceimmobilier

Practical use cases

1

Landlord accidentally collected rent after lease expiry

A landlord in Marseille continued to collect €800 monthly rent for 6 months after the tenant’s lease ended, mistaking an automatic renewal. The tenant had vacated but only demanded repayment of the €4,800 total three months later.

Practical application:

Under this case law, the tenant can claim legal interest on each undue payment from its due date or from the date of the formal legal claim. The landlord should immediately reimburse the €4,800 principal to stop interest accruing and avoid litigation. Retain all payment records and correspondence, and consider a settlement to limit costs.

2

Tenant overcharged due to illegal rent increase

A tenant in Lyon discovered that for two years, the landlord had been charging an extra €50 per month—a total of €1,200—by applying an unlawful annual indexation increase without proper legal justification.

Practical application:

The tenant can seek reimbursement of the €1,200 plus legal interest. As per the decision, interest may run from each monthly due date or from the formal demand. The tenant should first send a registered letter requesting repayment, then, if ignored, initiate legal proceedings to recover both principal and interest. Keeping all rental receipts and the lease agreement is essential.

3

Co-owner charged for unusable lift maintenance

A ground-floor co-owner in a Parisian building was charged €25 monthly for elevator maintenance over three years—€900 in total—despite the lift being inaccessible from his flat and the co-ownership rules exempting such charges.

Practical application:

This ruling allows the co-owner to claim refund of the undue charges plus interest from each payment date or from the date of the legal claim. He should gather proof of payments and his exempt status, then send a formal demand to the syndic. If reimbursement is refused, legal action can secure the principal and interest, reinforcing the principle that charges must correspond to actual use.

Maître Cécile Zakine

About the author

Maître Cécile Zakine — Lawyer at the Alpes-Maritimes Bar, Doctor of Law. Every article in this magazine is based on the analysis of a real court decision, commented and put into perspective by Maître Zakine’s team.

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Disclaimer: The analysis presented on this site is for informational purposes only and does not constitute personalised legal advice. For advice tailored to your situation, contact a qualified lawyer.

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