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KI-Symbolbild: Altbauküche während Umbauarbeiten mit Abdecktüchern auf dem Boden und einem Handwerker, der von hinten zu sehen ist.
Practical article Letting Germany

The tenant wants to alter: Assessing, coordinating and answering a request for change in a traceable way

Handle a tenant alteration request in Germany with a concrete project description and appropriate legal and technical review. § 554 BGB and the subsequent coordination are classified separately.

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
Everyone
Article ID
WX26-03-DE-006

A tenant wishes to alter a structural condition of the flat. Perhaps it concerns a more usable access, a charging facility or another specific adaptation. For the landlord side this is neither a mere question of taste nor automatically a fully examined construction project. This article concerns Germany and helps to transform a comprehensible request into a traceable process of examination and coordination. It does not decide any specific requirement for permission and does not replace technical planning.

Have the desired change described concretely

Please first ask for an explanation of what is actually to be changed and what purpose the measure serves. Affected rooms or building components, the intended execution and the planned use belong together. A general product brochure can supplement a concrete description, but not replace it.

Differ the personal need from the technical solution. The user can describe their desired everyday facilitation; interventions in the building may require professional planning. Do not demand a blanket disclosure of all personal life circumstances. Clarify specifically which information is required for the concrete assessment.

Appropriately classify the legal starting point

§ 554 BGB provides, under its conditions, a claim to permission for certain structural changes: for use by people with disabilities, charging electrically powered vehicles, burglary protection or plug-in solar devices. The statute contains a limit of reasonableness taking tenant interests into account. It also mentions the possibility of special security and declares disadvantageous deviations to be ineffective. [BGB554]

This does not mean that every desired variant of execution has already been examined nor that every adaptation may be freely rejected. Have the specific request and the relevant legal situation assessed together. The article does not develop a universal grounds for refusal and does not derive from the statute a blanket right to immediate self-installation.

Coordinate tenancy-law review and building inspection

Discuss which technical classification is necessary and who will obtain the documents required for this. Depending on the project, the existing condition of installations, interfaces, fixings or effects on other areas can raise questions. Which permits or further consents are required in the specific case will be examined in relation to the property.

A landlord-side should not answer open prerequisites merely with “still unclear”. A more helpful approach is a concrete follow-up question: which variant is to be assessed, which information is missing and who can provide it? At the same time, a single technical statement must not be treated unchecked as a complete legal permission.

Discuss execution, maintenance and the later condition in advance

If an implementation appears possible, the procedure needs a clear description. When is work to be carried out, who will perform the work and how will a necessary change of scope be handled? Also record which documents are to be provided after completion.

Costs, ongoing maintenance, possible later removal or takeover and any special security are explicitly examined and agreed as appropriate. The article makes no claim to any general statutory lump sum for this. An already existing rental deposit should not be accidentally mixed in the overview with an additionally discussed security amount.

Example: A requested adaptation requires a different variant

In the fictitious case a tenant wishes to facilitate access to a regularly used area. The first proposal touches another part of the building, whose classification is still missing. A blanket answer to the buzzword “alteration” would not solve the actual concern.

Instead the parties describe the required intended use and have a concretely suitable execution examined. The state of discussions shows which variant exists and which points still need to be clarified. The example confirms neither the technical feasibility nor a claim to exactly this solution. It shows how an open point becomes a question that can be worked on.

An answer must reveal its actual status

At the end distinguish between a follow-up question, a technical result of examination, a prerequisite still to be fulfilled and the statement actually issued. A general friendly signal should not remain alongside contradictory restrictions. If a legal dispute threatens, the specific reasoning will be professionally examined.

After an implementation the agreed scope, handed-over documents and outstanding completion work are reconciled together. A mere receipt confirmation is not reinterpreted as a technical acceptance. This keeps the process traceable for later questions: from the original housing need through the appropriate assessment to the clearly described result.

Sources and context

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.