Germany is a renters’ country — over half the population rents — and the law reflects that. German tenancy law is dense and procedural, but the upside is meaningful: open-ended contracts, capped rent increases, deposit limits, and one of the hardest eviction regimes in Europe for landlords to navigate. The catch is that you have to know the rules to invoke them.
This guide explains the key rules under the Bürgerliches Gesetzbuch (BGB) as they apply in 2026, in plain English, from the perspective of a tenant. It is not legal advice — for specific situations, consult a lawyer or join the local Mieterverein (tenants’ association) like the Deutscher Mieterbund, which offers legal support to members for a modest annual fee.
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The legal framework: BGB and the 2026 updates
Residential tenancies in Germany are governed by the Bürgerliches Gesetzbuch (BGB), the Civil Code — particularly sections §535 to §577a. The framework is built around long-term tenant security.
Two important changes affect tenants in 2026:
- Mietpreisbremse extended until 31 December 2029 in designated tight housing markets, with stricter enforcement obligations on the federal states.
- Mietspiegel updates are now mandatory every two years in qualifying municipalities, making rent comparisons more transparent and giving tenants stronger legal grounds to contest unjustified increases.
- Tenants can reclaim overcharged rent for up to 30 months after their contract begins — without needing to have complained earlier.
Cold vs warm rent: the most important distinction
Every German rent listing shows two figures:
- Kaltmiete (cold rent) — the base rent for the apartment itself, without any utilities.
- Warmmiete (warm rent) — the cold rent plus Nebenkosten (operating costs): heating, water, garbage, building cleaning, lift, caretaker, property insurance, gardening. Electricity and internet are usually not included and are billed separately by your own contracts.
Why it matters: every legal calculation is based on the Kaltmiete — the deposit cap, the Mietpreisbremse, the Mietspiegel comparison. Always confirm which figure a landlord is using before signing.
Uniplaces insight: Listing portals like ImmoScout24 and Immowelt usually default to showing Kaltmiete because the number looks lower. Always check the Warmmiete — that’s your real monthly cost — and make sure you’re comparing apples to apples between listings.
The security deposit (Kaution)
Under §551 BGB, the rules are strict:
- Maximum deposit: 3 months’ Kaltmiete. Not Warmmiete. A landlord asking for 3 months’ warm rent is over the legal limit.
- Right to pay in 3 instalments. You can split the deposit across three monthly payments — the first when you move in, the next two with the following months’ rent. This right cannot be waived in the contract.
- Held in a separate account. The landlord must hold the deposit in a dedicated Mietkautionskonto earning interest at the standard savings rate. You receive both the deposit and the interest when you move out.
- Alternatives: some landlords accept a Mietkautionsbürgschaft (bank guarantee) or Mietkautionsversicherung (deposit insurance), where you pay a small annual fee instead of locking up the deposit.
At move-out, the landlord can take a reasonable time to check for damage and the final utility bill (Nebenkostenabrechnung) before returning the deposit — typically a few months for the bulk, with a portion held back until the utility settlement.
Rent increases: what’s legally possible
Rent increases in Germany are tightly regulated and depend on the type of contract:
1. Increase to the local market rent (§558 BGB)
The landlord can request a rent increase to bring the apartment in line with the ortsübliche Vergleichsmiete — the local reference rent — using the Mietspiegel (official rent index), comparable apartments or an expert report as justification. Rules:
- Kappungsgrenze (cap): at most a 20% increase over any 3-year period, lowered to 15% in tight housing markets (Munich, Berlin, Hamburg and many others).
- Written notice required, with full justification (Mietspiegel reference, comparables).
- You must consent; if you don’t, the landlord must sue for approval.
- At least 3 months between the increase taking effect and the previous one.
2. Index lease (Indexmietvertrag)
Some contracts tie rent to the German consumer price index. The landlord can adjust the rent annually based on the index change — but at least 12 months must pass between adjustments, and the notice must show the CPI change and the new figure.
3. Step lease (Staffelmietvertrag)
A contract with predefined rent increases at fixed dates. The amounts must be stated in the contract from the start.
4. Modernisation surcharge (§559 BGB)
After qualifying energy upgrades or improvements, up to 8% of the costs can be added to the annual rent, capped at €2–3/m² per month over six years. The landlord must give 3 months’ advance notice with detailed information.
Uniplaces insight: A rent-increase letter without the proper justification — no Mietspiegel pages, no comparables, no CPI calculation — can be challenged. You have the right to refuse consent and ask for proper documentation. Joining a Mieterverein gives you legal backing for exactly these moments.
The Mietpreisbremse: rent brake on new contracts
In areas officially designated as having tight housing markets — most major German cities — the Mietpreisbremse caps the rent landlords can charge on new contracts:
- Maximum 10% above the local Vergleichsmiete (reference rent from the Mietspiegel).
- Extended until 31 December 2029.
- Tenants can reclaim overcharged rent for up to 30 months after the lease began — even if they hadn’t complained earlier (2026 update).
Exceptions exist: new-builds (first let after 1 October 2014), comprehensively modernised properties, and rents that were already legally higher under the previous tenant. When signing a new lease in a Mietpreisbremse city, check the rent against the local Mietspiegel — if it overshoots the cap and no exception applies, you have a legal claim.
Open-ended leases: strong tenant protection
Standard German residential leases are unbefristete Mietverträge — open-ended, with no fixed end date. The tenant can terminate with 3 months’ notice at any time. The landlord can only terminate for legally defined reasons:
- Eigenbedarf — personal use by the landlord or a close family member (the most common reason; subject to strict procedural rules and challengeable in court).
- Material breach by the tenant (significant non-payment, serious damage, illegal use).
- Economic exploitation hindered — a high legal bar, rarely accepted in court.
Notice periods for the landlord scale with how long the tenant has lived in the apartment: 3 months in the first 5 years, 6 months after 5 years, 9 months after 8 years. Fixed-term contracts (Zeitmietvertrag) are possible but only with a specific legal reason stated up front.
Evictions: never by self-help
A German landlord cannot evict a tenant by themselves. Eviction requires:
- A valid termination (with all formal requirements met).
- A court judgment if the tenant doesn’t leave voluntarily.
- Enforcement by a court-appointed bailiff (Gerichtsvollzieher).
Changing locks, cutting utilities, or removing belongings is illegal and exposes the landlord to civil and criminal liability. Tenants who receive a termination notice should respond in writing within the legal window — many terminations are formally defective and can be overturned.
Schönheitsreparaturen and minor repairs
Two clauses you’ll often see in German leases:
- Schönheitsreparaturen — cosmetic repairs (painting, wallpaper). Many older contracts shift these to the tenant, but courts have struck down a very large share of such clauses as legally invalid. Don’t repaint at move-out without checking whether the clause in your contract actually holds up.
- Kleinreparaturklausel — minor-repairs clause. Only valid if the contract states a cost limit per repair (usually €75–€120) and an annual cap (often around 8% of the annual Kaltmiete). Without those caps, the clause is invalid.
The Anmeldung and other essential admin
One piece of German bureaucracy you cannot skip:
The Anmeldung — the mandatory registration of your address at a local Bürgeramt within 14 days of moving in. Your landlord must give you a Wohnungsgeberbestätigung (landlord’s confirmation), which you bring to the appointment. The Anmeldung is the gateway to almost everything else in Germany: bank account, tax ID, health insurance registration, internet contract.
Uniplaces insight: Book your Bürgeramt appointment online before you arrive — slots in Berlin and Munich routinely book out weeks in advance. And insist that your landlord provide the Wohnungsgeberbestätigung at move-in; without it you legally cannot register.
Practical tips for students and international tenants
- Compare Warmmiete, not Kaltmiete. The cold-rent figure understates your real cost.
- Insist on a separate Mietkautionskonto for your deposit, and use your right to pay in 3 instalments if it helps your budget.
- Check the Mietpreisbremse against the local Mietspiegel before signing — if you’re overcharged, you can claim it back for up to 30 months.
- Document everything at move-in with a Wohnungsübergabeprotokoll (handover protocol) plus dated photos. This is your defence against deposit deductions.
- Book the Anmeldung early and get the Wohnungsgeberbestätigung from your landlord at move-in.
- Join a Mieterverein. A €60–€90/year membership in the local tenants’ association unlocks legal advice and representation for exactly the situations this article describes.
- Get a Schufa. A clean Schufa-Auskunft (credit report) is part of the standard German rental application alongside payslips, ID and an employer/student confirmation.
- Use the Semesterticket. Enrolled students get near-free public transport in many cities — keep your enrolment paperwork to hand.
Frequently asked questions
How much can my landlord ask for as a deposit?
The legal maximum is 3 months’ Kaltmiete (cold rent — not Warmmiete) under §551 BGB. You also have the right to pay it in 3 monthly instalments, and the deposit must be held in a separate interest-bearing account.
How much can the rent go up?
On running contracts, at most 20% over any 3-year period (15% in tight markets), and only with proper Mietspiegel-based justification and your written consent. Index leases follow the consumer price index annually; step leases follow the fixed schedule in the contract. On new contracts in Mietpreisbremse cities, the cap is 10% above the local reference rent.
What’s the Mietpreisbremse?
The “”rent brake”” — a cap on new-contract rents in designated tight housing markets at 10% above the local reference rent. It’s extended until 31 December 2029. From 2026, tenants can reclaim overcharged rent for up to 30 months after the lease began, even without a prior complaint.
Can my landlord evict me to use the flat themselves?
Eigenbedarf (personal need) is the most common legal ground for landlord termination, but it must be properly justified and is challengeable. Notice periods are 3, 6 or 9 months depending on how long you’ve lived there. If you receive such a notice, get advice from a Mieterverein or lawyer — many Eigenbedarf notices fail on procedural grounds.
Do I have to do Schönheitsreparaturen when I move out?
Not automatically. German courts have ruled many Schönheitsreparaturen clauses invalid, especially those imposing rigid deadlines or requiring renovation regardless of the apartment’s condition. Check your clause carefully before repainting at move-out — you may not legally owe what the landlord claims.
What is the Anmeldung and when must I do it?
The Anmeldung is the mandatory registration of your residence at the local Bürgeramt, required within 14 days of moving in. You need a Wohnungsgeberbestätigung from your landlord. The Anmeldung unlocks the rest of German life — bank, tax ID, health insurance — so book your appointment as early as possible.
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