What to Look for Before Signing a Rental Agreement and Which Clauses Are Critical

Moving into a new apartment is an incredibly exciting milestone, but the most critical and permanent step in the entire process is signing the rental agreement (lease contract). Because the housing market is often highly competitive, anxious tenants frequently rush through this process, glancing briefly at the rent amount and signing the bottom line without properly reviewing the dense legal jargon.

This haste can lead to severe, expensive legal disputes months or years down the line, ranging from unfair evictions and exorbitant rent hikes, to the complete loss of a massive security deposit. A lease is a legally binding document that governs where and how you live; it demands your full attention. To protect your tenant rights under the Civil Code and ensure your financial security, here is the ultimate checklist of exactly what to evaluate before signing a lease contract, compiled by our AI legal assistant Kalkan.

The Dangers of Rushing a Lease Signature

A rental agreement is heavily drafted in favor of the landlord. Real estate agencies and property management companies use standard boilerplate contracts designed to maximize their financial protection and minimize their legal liabilities. If you do not read the fine print, you may unknowingly sign away basic tenant rights.

Many disputes arise because verbal promises were never put into writing. If the landlord verbally promises to fix a broken dishwasher before you move in, but that promise is not explicitly written in the lease, you have no legal recourse when the dishwasher remains broken six months later. Whether you are signing physical paper or applying a digital signature to a PDF contract, the written word is the absolute and final authority in court.

Step-by-Step Solution: The Ultimate Tenant Checklist

Do not let a landlord pressure you into signing immediately. Take the contract home, sit down in a quiet room, and meticulously review the following four critical clauses.

Step 1: Auditing the Rent Escalation Clause

Inflation and rising housing costs make the annual rent increase clause the most financially impactful section of your lease. The exact method for calculating future rent increases must be clearly and legally defined.

The Legal Cap: In most jurisdictions, annual rent increases for residential leases are strictly capped by law. Commonly, this is tied to the 12-month average of the Consumer Price Index (CPI).
The Execution: Any clause specifying an arbitrary increase (e.g., “Rent will increase by 25% annually”) that exceeds this legal limit is generally null and void, even if you sign it. Ensure your lease explicitly references the legal index boundary. If the landlord attempts to increase the rent beyond the CPI limit at renewal, you have the legal right to refuse the excess amount.

Step 2: Securing Your Security Deposit

Security deposits are the single largest source of conflict between tenants and landlords when a lease ends. Landlords often treat the deposit as a personal repair fund, making unfair deductions.

The Legal Limit: The law typically dictates that a residential security deposit cannot exceed 3 months’ rent.
The Execution: The exact amount paid, the currency it was paid in, and the specific bank account it is held in must be documented. Above all, the specific conditions for its return must be written down. Ensure the lease states the deposit will be returned within a specific timeframe (e.g., 15 days) after move-out, provided there is no structural damage beyond “normal wear and tear.”

Step 3: Clarifying Maintenance and Repair Costs

When the boiler breaks in the middle of winter, who pays for it? If this is not clearly defined in the lease, you could be left freezing while arguing with your landlord.

Structural vs. Daily Maintenance: The law makes a clear distinction. Structural building upgrades (e.g., repairing a leaking roof, replacing an elevator, installing a new boiler) are the exclusive financial responsibility of the landlord. Daily building operations (e.g., hallway cleaning fees, utility dues, changing lightbulbs) are the tenant’s responsibility.
The Execution: Verify this separation of costs is explicitly stated in the lease. A landlord cannot legally force you to pay for major structural renovations through a hidden clause in your monthly dues.

Step 4: Beware the Eviction Undertaking

In highly competitive markets, landlords often try to force tenants to sign an “Eviction Undertaking” (a document where the tenant agrees to vacate the premises on a specific date with no legal fight) alongside the lease.

The Execution: An eviction undertaking signed on the exact same day as the lease agreement is legally invalid in many jurisdictions, as courts recognize it was signed under duress (the threat of not getting the apartment). If you are asked to sign one, ensure the document is dated significantly after your actual move-in date to ensure it was signed of your own free will, or better yet, refuse to sign it entirely.

Signing contract pen

Prevention: Documenting the Move-In State

The best legal contract in the world cannot protect you if you lack physical evidence of the apartment’s condition when you assumed possession of it. The moment you are handed the keys, you must conduct a preemptive strike against future security deposit disputes.

The Photo Audit: Before moving a single piece of furniture into the apartment, walk through every room with a camera. Take detailed photos and videos of every pre-existing scratch on the floor, stain on the carpet, crack in the wall, and malfunctioning appliance.
The Fixture Protocol: Email this entire file of photos directly to the landlord or management agency on day one with the subject line: “Pre-existing condition record.” This creates a time-stamped, irrefutable digital paper trail. Three years later, when the landlord tries to withhold your deposit for a scratched floor, you can produce the email proving the scratch was there before you moved in.
Protect Your Privacy: When sharing identification documents with landlords or brokers for background checks, ensure you understand how your data will be stored, protecting your personal data privacy rights under GDPR or KVKK.

When to Seek More Help or Watch for Edge Cases

This checklist applies primarily to standard residential leases (apartments and houses used as primary dwellings). If you are signing a commercial lease for a business property, the rules change drastically.

Unlike residential leases, commercial leases offer virtually no statutory tenant protections. The law assumes both parties are sophisticated business entities capable of negotiating their own terms. Commercial rent increases are not capped by the CPI, eviction rules are much faster, and the tenant is often responsible for structural repairs (known as a Triple Net Lease). Never sign a commercial lease without having a specialized real estate attorney review the contract line by line.

Quick Summary

Do not rush: Take the lease home and read it in a quiet environment away from the landlord’s pressure.
Check the rent hike limit: Ensure annual rent increases are legally capped by the Consumer Price Index (CPI).
Secure the deposit: The deposit should not exceed three months’ rent, and the return conditions must be explicit.
Clarify repairs: Landlords pay for structural fixtures (roofs, boilers); tenants pay for daily usage and minor upkeep.
Beware eviction traps: Never sign an eviction undertaking on the same day you sign the lease.
Document everything: Take time-stamped photos of the empty apartment on day one to protect your security deposit.

Frequently Asked Questions

Can a landlord increase my rent more than once a year?

No. Under standard residential law, rent can only be increased once every 12 months, usually on the anniversary of the lease signing. Any clause allowing mid-year increases is generally void.

What does “normal wear and tear” actually mean?

Normal wear and tear refers to the expected, minor deterioration that occurs when living in a property (e.g., slightly faded paint, minor scuffs on the floorboards, worn carpet paths). Landlords cannot legally deduct money from your deposit to fix normal wear and tear; they can only deduct for actual negligence or malicious damage (e.g., shattered windows, large holes in the drywall).

Is it legal for a landlord to demand rent in a foreign currency?

In many jurisdictions experiencing high inflation (such as Turkey), the law explicitly bans residential rent payments in foreign currencies (like USD or EUR) to protect tenants from wild exchange rate fluctuations. The contract must be written in the local currency.

Can I break my lease early if I lose my job?

Standard leases do not allow you to break the contract without financial penalty just because of a job loss. Usually, you are responsible for paying the rent until a new tenant is found. However, you can negotiate a “break clause” (e.g., paying a two-month penalty to exit early) into the contract before you sign it.

Does the landlord have the right to enter my apartment whenever they want?

No. Once you sign the lease, you have the right to “quiet enjoyment” of the property. The landlord must provide reasonable written notice (usually 24 to 48 hours) before entering for inspections or repairs, except in cases of extreme emergency (like a burst pipe flooding the building).

Audit Your Lease Instantly with Kalkan!

Struggling to understand complex legal terminology or worried about unfavorable clauses? Download the Kalkan app. Simply snap a photo or upload your lease PDF, and our AI legal analyzer will flag all high-risk clauses and suggest revisions to protect your rights. Download Kalkan App Now and sign with confidence!