Berlin Commercial Tenancy Law: A Guide for Commercial Landlords

Since its enactment on 1 January 1900, the Bürgerliches Gesetzbuch (BGB) has served as the primary legal framework for property relations in Germany. Unlike the highly regulated residential market, commercial tenancy law (Gewerberaummietrecht) in Germany is characterized by extensive freedom of contract (Vertragsfreiheit). Landlords in Berlin have significant leeway to negotiate terms, shift maintenance burdens, and dictate rent increases. The primary legal framework is found in Book 2, Section 8, Title 5 (§§ 535–580a BGB).

Commercial vs. Residential Law

The protective mechanisms standard in German residential leases largely do not apply to commercial properties:

Formal Lease Requirements

The Text Form Requirement

Following the enactment of the Fourth Bureaucracy Relief Act (BEG IV), the formal requirements for commercial leases have been simplified. For commercial leases with a term exceeding one year, the previous requirement for "Written Form" has been replaced by the "Text Form" (Textform) under § 550 BGB and § 578 (2) BGB in conjunction with § 126b BGB.

• Requirement: This requirement applies to all new contracts from 1 January 2025 and all existing contracts from 1 January 2026. Leases satisfy the statutory form requirement if they are in "Text Form," meaning the agreement must be in a readable declaration on a durable medium (e.g., email, PDF, or fax) that identifies the person making the declaration. A handwritten signature is no longer mandatory for compliance with § 550 BGB.
• Impact: Failure to meet the Text Form requirement does not invalidate the lease, but it automatically converts the fixed-term lease into a lease for an indefinite period, granting both parties early termination rights after one year.

For more detail, see our Commercial Lease RequirementsPreview unavailable guide.

Security Deposits

There is no statutory limit on the amount of a commercial security deposit. Under § 578 BGB, the statutory limits on deposit amounts (§ 551 BGB) and the requirement to hold deposits in separate interest-bearing accounts do not apply to commercial leases.

• Common practice in Berlin is 3 to 6 months' gross rent.
• The tenant has no statutory right to pay in installments.
• The landlord is not legally required to hold the deposit in a separate, interest-bearing insolvency-proof account (unless explicitly agreed in the contract).
• Bank Guarantees (Bankbürgschaften) are highly common in the commercial sector.

For more detail, see our Commercial Security DepositsPreview unavailable guide.

Rent Increases

Because there is no Rent Brake (Mietpreisbremse) or Rent Index (Mietspiegel) for commercial spaces, rent increases must be agreed upon in the lease contract.

Common models in Berlin include:

• Index Rent (Indexmiete): Tied to the official Consumer Price Index (CPI).
• Stepped Rent (Staffelmiete): Fixed increases at specified dates.
• Turnover Rent (Umsatzmiete): A base rent plus a percentage of the tenant's business revenue (common in retail and gastronomy).
• Market Adjustment Clauses: Re-negotiating the rent to current market rates every 3-5 years via an expert appraisal.

For more detail, see our Commercial Rent IncreasesPreview unavailable guide.

Eviction and Termination

Commercial tenants do not enjoy the same social eviction protections as residential tenants. For open-ended commercial leases, ordinary termination does not require a "just cause" or legitimate interest (§ 580a BGB). However, extraordinary termination without notice by either party requires an "important reason" (wichtiger Grund) under § 543 BGB. The social protections found in § 569 BGB are residential provisions and do not apply to commercial tenancies.

Notice Periods (Ordinary Termination)

Unless otherwise agreed, the statutory notice period for commercial spaces is governed by § 580a (2) BGB: notice must be served by the 3rd business day of a calendar quarter to take effect at the end of the following calendar quarter (approximately six months).

Fixed-Term Leases

Most commercial leases in Berlin are fixed-term (e.g., 5 or 10 years). These cannot be ordinarily terminated before the term expires, offering immense planning security for both sides.

Immediate Termination

Landlords can terminate immediately (fristlos) if the tenant falls into default with rent exceeding one month's rent for two consecutive dates, or an amount equal to two months' rent over a longer period. There is no grace period payment (Schonfristzahlung) in commercial law to retroactively heal the termination; the provision under § 569 (3) No. 2 BGB does not apply to commercial tenancies.

For more detail, see our Commercial Eviction ProcessPreview unavailable guide.

Maintenance and "Triple-Net" Leases

Unlike residential law, commercial landlords can transfer almost all maintenance, repair, and operating costs to the tenant.

• Dach und Fach ("Roof and Structure"): The landlord usually remains responsible for the core building envelope, but even this can theoretically be transferred in individually negotiated contracts.
• Triple-Net (NNN) Leases: Very common for single-tenant buildings or large retail spaces, where the tenant bears property taxes, insurance, and all maintenance costs.
• Caution with AGBs: If using standard pre-formulated lease contracts, transferring the cost for replacing major items (like an entire HVAC system) without a financial cap can be ruled void by courts.

For more detail, see our Commercial Maintenance ObligationsPreview unavailable guide.

Late Fees and Default

• Higher Default Interest: For B2B transactions, the default interest rate is 9 percentage points above the Base Rate (compared to 5 points for residential).
• Lump Sum Damage: Landlords can automatically claim a €40 statutory lump sum for damages caused by the delay (BGB § 288 (5)).
• Contractual Penalties (Vertragsstrafen): Can be validly included in a commercial lease, provided they are not disproportionately high.

For more detail, see our Commercial Late FeesPreview unavailable guide.

Berlin Specifics: Startups and Coworking

Berlin is Europe's startup capital. The commercial real estate market actively caters to this with:

• Shorter lease terms (1-3 years instead of the traditional 5-10 years).
• High demand for Sub-leasing (Untervermietung) clauses, allowing startups to downsize or upsize flexibly. Landlords should strictly regulate sub-leasing requirements in the contract.
• A massive shift toward serviced offices and coworking spaces, governed largely by general service contracts rather than pure commercial tenancy law.

Managing Compliance with Landager

Given the complexity and high financial stakes of commercial leases, automated tracking is essential. Landager helps Berlin commercial landlords track index rent increases, fixed-term expirations, and tenant turnover reports-all from a single dashboard.

Explore more Berlin commercial property topics:

• Security DepositsPreview unavailable
• Eviction ProcessPreview unavailable
• Required DisclosuresPreview unavailable
• Rent IncreasesPreview unavailable
• Lease RequirementsPreview unavailable
• Maintenance ObligationsPreview unavailable
• Late FeesPreview unavailable

How Landager Helps

Landager tracks lease terms, overview requirements, and deadline notifications - making it easy to stay compliant with Berlin regulations.

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