Fristlose Kündigung — immediate termination with no notice period

A fristlose Kündigung ends a rental or job relationship at once because of a serious breach. German courts apply a very high bar — but you must act fast if you want to challenge it or if you must move out or stop working immediately.

What is a fristlose Kündigung?

A fristlose Kündigung (also außerordentliche Kündigung or Kündigung ohne Einhaltung einer Kündigungsfrist) terminates a contract immediately without waiting for the normal notice period. It is allowed only when continuing the relationship is unreasonable for the terminating party until the ordinary end date — typically after a serious breach.

It can come from your landlord (ending the lease) or your employer (ending your job). Tenants and employers can also issue fristlose Kündigung in rare cases, but most letters people receive are landlord-to-tenant or employer-to-employee.

Housing letter vs employment letter

Some wording overlaps (Schriftform, fristlos, wichtiger Grund). Identify which contract is being ended before you plan your response.

Fristlose Kündigung at work

See also the Kündigung vom Arbeitgeber guide for ordinary dismissal. A fristlose employer termination means you are expected to leave the job immediately — no notice period runs.

The employer must show a wichtiger Grund (important cause) that makes waiting unreasonable, such as:

Minor mistakes, single lateness, or personality conflicts usually do not justify fristlose dismissal — ordinary termination with notice and warnings is required first.

Two-week rule (employment)

The employer must generally declare fristlose Kündigung within two weeks of learning the facts that justify it. Delay can make the dismissal invalid, forcing ordinary notice rules instead.

If you dispute it and Kündigungsschutz applies, you still have only three weeks from receiving the written letter to file Kündigungsschutzklage at the Arbeitsgericht — the same deadline as ordinary dismissal.

Fristlose Kündigung in rental housing

Ordinary move-out timing is covered in Wohnungskündigung. Fristlose landlord termination demands you leave without the usual three-month notice when, for example:

Landlord Eigenbedarf (personal use) is normally not fristlos — it uses notice periods under Eigenbedarfskündigung rules.

Warnings before fristlos (rental)

Courts usually expect a prior Abmahnung or Mahnung for curable breaches (late rent, noise). Immediate termination without warning is reserved for extreme cases — e.g. major destruction or assault. If the landlord skipped warnings for a fixable problem, the Kündigung may be void.

Written form (Schriftform)

Like ordinary Kündigung, fristlose termination must be in Schriftform — signed written letter. Email or WhatsApp alone is usually insufficient. The letter should state:

Vague letters without clear facts are easier to challenge.

Ordinary vs fristlose — quick comparison

If you must leave the flat immediately

Do not ignore a letter you believe is wrong — but also do not accept an illegal lockout. If the landlord changes locks without a court order, that is often unlawful. Document everything, contact a Mieterverein, and check whether a formal Räumungsaufforderung or court Räumungstitel followed.

If you genuinely owe large rent, negotiate payment or seek Wohngeld / social advice — but fristlos may still stand if formal requirements were met.

If you lose your job immediately

Register with the Agentur für Arbeit on the first day without work. Bring the Kündigung letter for Arbeitslosengeld. A disputed fristlos dismissal for misconduct can trigger Sperrzeit (blocking period) if upheld — facts in the letter matter.

Do not sign an Aufhebungsvertrag under pressure the same day without legal advice.

What to do — step by step

Step 1: Identify rental vs employment and who terminated.

Step 2: Check Schriftform, signature, and stated Kündigungsgrund.

Step 3: Compare facts to your records (rent payments, warnings, employment incidents).

Step 4: Note deadlines — three weeks for Kündigungsschutzklage; rental court dates if Räumung started.

Step 5: Contact Mieterverein, employment lawyer, or union the same week if you challenge.

Step 6: Register unemployment or arrange emergency housing if termination is upheld pending appeal.

When to get help

Key terms glossary

Fristlose KündigungTermination without notice period
Außerordentliche KündigungLegal term for extraordinary termination
Ordentliche KündigungTermination with notice period
wichtiger GrundImportant cause required for fristlos
KündigungsfristNotice period (waived if fristlos is valid)
SchriftformWritten signed form requirement
AbmahnungFormal warning before termination
KündigungsschutzklageLabour court challenge within three weeks
MietvertragRental contract
ArbeitsvertragEmployment contract
RäumungsaufforderungFormal demand to vacate the flat
MietervereinTenant association for advice

Still not sure what your letter wants?

Open Briefed — explain my letter

Last updated: June 2026

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