Guides / Shared flats & subletting

Shared flats & subletting

Subletting, finding a successor tenant and life in a shared flat (WG).

Guides for landlords

Allow or Refuse Untervermietung? Landlord Guide (2026)
When must landlords permit Untervermietung and when may they refuse? § 553 BGB, berechtigtes Interesse, Untermietzuschlag and Kündigung – explained clearly.

Guides for tenants

Taking In a Subtenant: Getting Permission (2026)
Taking in a subtenant: for part of your flat you have a right to the landlord's Erlaubnis under § 553 BGB. How to request it correctly and when the landlord may refuse.
Shared flat and subletting: when can I sublet? (2026)
When tenants may sublet: § 553 BGB gives a claim to permission for part of the dwelling. How to handle a WG (shared flat) and Untermiete (subletting) correctly.

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