Overcharged Rent Complaint: Documents & Deadlines Germany

Rent & Rent Control 3 min read · published September 07, 2025

As a tenant in Germany, an overcharged rent can create significant financial pressure. This guide explains in plain language which documents you should collect, which deadlines to observe and how to file a formal complaint about excessive rent effectively. You will receive practical examples for payment records, wording for letters to the landlord and guidance on when legal action at the local court is sensible. The goal is to set out your rights clearly and give you a concrete action plan so you can meet deadlines and secure evidence systematically. For complex cases, we also show which official laws and courts are relevant. Read the examples and use the templates as guidance.

Which documents do tenants need?

If you prepare a complaint about allegedly excessive rent, first collect all relevant documents so that your claim is justifiable.

  • Lease agreement in the most recent valid version (including amendments and annexes).
  • Payment records: bank statements, receipts and deposit proofs for the last 12–24 months.
  • Correspondence with the landlord: reminders, rent increase notices, emails and complaints.
  • Photographic or dated evidence (e.g., apartment condition, date and time of recordings).
Detailed documentation increases the chances of success in a legal dispute.

Deadlines and formal steps

Observe deadlines strictly: a formal complaint should be filed promptly once you doubt the legality of the rent. Written evidence is crucial, and many deadlines are measured in days or weeks.

  • Send the complaint in writing and in a verifiable way (registered mail or handover with receipt) shortly after discovery.
  • Keep payment records until clarification (often 6–24 months).
  • Request a written explanation from the landlord and set a reasonable response deadline.
Respond immediately to termination threats or deadlines to avoid losing rights.

Filing a complaint: templates and examples

Be clear: state the tenancy, the exact monthly rent, the charged or demanded amount and attach evidence. An example sentence: "I hereby formally complain that the total rent demanded since DD.MM.YYYY of X euros is excessive and request a written explanation by DD.MM.YYYY." Official templates and sample letters are available from public authorities.[3]

Short, factual formulations with reference to evidence are often more effective than emotional accusations.

Legal bases and competent courts

Your rights as a tenant are found in the German Civil Code (BGB), especially the provisions on the tenancy and rent.[1] For court proceedings, the Code of Civil Procedure (ZPO) is decisive.[2] The local court (Amtsgericht) is usually responsible for tenancy disputes in the first instance; higher courts like the regional court and the Federal Court of Justice may be relevant on appeal.

The Amtsgericht is the first point of contact for many tenancy disputes in Germany.

FAQ

Can I withhold rent if I complain about overcharging?
Rent reduction or withholding is allowed only within narrow limits; consult legal advice first because incorrect actions may lead to claims or termination.
How long do I have to challenge an excessive rent?
You should act promptly after becoming aware and collect all evidence; specific limitation periods depend on civil law rules and the individual case.
Where can I turn if the landlord does not respond?
If there is no response, set a written deadline and, if necessary, file a lawsuit at the competent local court.

How-To

  1. Collect all relevant documents: lease, bank statements, receipts and previous correspondence.
  2. Create a clear evidence folder with dates, explanations and photo proofs.
  3. Draft a formal complaint to the landlord with a concrete demand and a response deadline.
  4. Seek legal advice if needed before taking further steps.
  5. If no agreement is possible, you may file a claim at the competent local court.

Help and Support / Resources


  1. [1] Bürgerliches Gesetzbuch (BGB) – §§ 535–580a
  2. [2] Zivilprozessordnung (ZPO)
  3. [3] Federal Ministry of Justice (BMJ) – Forms and information
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights Germany

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for tenants everywhere.