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KI-Symbolbild: Ein Mann prüft von hinten gesehen eine gesprungene Fensterscheibe in einem leeren, hellen Wohnzimmer.
Practical article Renting & everyday living Germany

A defect is known at handover: Classify the reservation of rights under § 536b BGB in good time

Knowledge of a defect at contract conclusion and at acceptance have different consequences. Clarify the timing and a timely reservation of rights before the handover decision.

Automatically translated – the German version is legally binding. Show original (German)

Published
19 Oct 2026
Research as of
17 Oct 2026
Applies to
Germany
For whom
Searchers & tenants
Article ID
WX26-P02-0096

Reader question: What significance does it have for defect-related rights when I become aware of a defect and whether I reserve rights when accepting the property?

The tenancy agreement for your German flat is signed. At the handover appointment you notice a significant defect. The protocol is to state only that you have received the keys. Is a later defect report sufficient to retain all rights? §536b BGB makes the time of your knowledge and the acceptance of the flat decisive. [BGB536b]

First record the chronological sequence

Note separately: When was the contract concluded? When did you recognise which specific condition? When is the flat to be accepted? A condition already known earlier and an impairment discovered only now are not necessarily the same legal circumstance.

Describe the observation factually, for example a window mechanism that does not work. Do not confirm an unverified technical cause. Keep earlier messages, viewing information and current photos together. They help to examine the chronological sequence later.

Distinguish three statutory situations

If the tenant party knew of the defect already when the contract was concluded, §536b excludes the rights under §§536 and 536a. In the case of grossly negligent lack of knowledge the provision names the landlord’s fraudulent concealment as an exception. If a defective item is accepted despite knowledge, it requires a reservation at the time of acceptance for these rights. [BGB536b]

These stages are not interchangeable. A sentence added only on the day of handover does not automatically undo a possible knowledge already at contract conclusion. Conversely, knowledge acquired after the contract but before acceptance should be expressly taken into account in the acceptance decision.

What “rights” means here

§536 concerns the reduction in rent (Minderung) in case of restricted fitness for use, §536a, under its own requirements, concerns compensation for damage or expenses (Schadens- beziehungsweise Aufwendungsersatz). [BGB536][BGB536a] §536b explicitly refers to these rights. Therefore its application does not permit, without further examination, the conclusion that every conceivable duty of the landlord or any other claim is extinguished.

An agreement about the contractual condition and mere knowledge of a defect should also be distinguished professionally. A concrete contractual review can therefore go beyond the question of whether the protocol contains the word “reservation”.

Prepare a clear declaration before acceptance

If acceptance is imminent, have the recognised defect and the intended declaration checked in good time. Our practical recommendation: the reservation should be assigned to the specific condition, declared to the right person and documented in a comprehensible way. A mere private note after the appointment leaves open whether anything was declared at the acceptance at all.

A generally worded receipt note does not yet confirm a specific reservation of rights. Therefore also read any supplementary statements about freedom from defects, settlement or waiver carefully. The article deliberately does not provide a blanket protocol sentence intended to secure every case regardless of the contract.

Hypothetical case: discovered only after signing

Nora learns after the contract is concluded, but before acceptance of the flat, that a window does not close. She separates the question of the repair timing from her declaration at acceptance. The defect is described concretely; her reservation is checked professionally in good time and its declaration is documented. A later promise to repair alone is not treated by her as an answer to all questions about her defect-related rights.

If acceptance has already occurred without a clarified reservation, the sequence belongs in counselling promptly. Alleged fraud must also be examined separately; §536d limits the reliance on a contractual exclusion of rights in cases of actual fraudulent concealment. [BGB536d] Neither this keyword nor a subsequently added note replaces the examination of the actual events.

Sources and context

  • [BGB536b] BGB § 536b — Bundesministerium der Justiz und für Verbraucherschutz / Bundesamt für Justiz. Geltung: Deutschland. Abruf am 17.10.2026.
  • [BGB536] BGB § 536 — Bundesministerium der Justiz und für Verbraucherschutz / Bundesamt für Justiz. Geltung: Deutschland. Abruf am 17.10.2026.
  • [BGB536a] BGB § 536a — Bundesministerium der Justiz und für Verbraucherschutz / Bundesamt für Justiz. Geltung: Deutschland. Abruf am 17.10.2026.
  • [BGB536d] BGB § 536d — Bundesministerium der Justiz und für Verbraucherschutz / Bundesamt für Justiz. Geltung: Deutschland. Abruf am 17.10.2026.

Created with the help of AI and editorially reviewed. General guidance only; not individual legal, tax or financial advice. Errors and later changes are possible.