What is the legal cap on residential rent increases in Turkey?

For residential leases, the increase cannot exceed the twelve-month average CPI rate published by TUIK. Temporary government ceilings may also apply; the tool reflects the current rule automatically.

Are commercial rent increase rules different?

Yes, commercial leases can follow different statutory frameworks and contract terms. The tool calculates the CPI-based figure for commercial leases, but always verify with a legal professional for your specific contract.

How current is the CPI data used?

The tool pulls the most recently published TUIK figure. We recommend cross-checking with the official TUIK website on the date you perform your calculation to ensure accuracy.

Is my rent amount stored or shared with anyone?

No. The calculation runs entirely in your browser and no data is sent to our servers. Your financial information stays private, consistent with KVKK/GDPR principles.

Can I use the result as evidence in a rent dispute?

This tool provides informational guidance only and is not a legally binding document. For formal disputes, obtain the official CPI certificate from TUIK and seek legal representation.

Does it work for calculating back-dated increases?

Yes. You can manually enter historical CPI rates to calculate rent for past periods, which is useful for resolving disputes over missed or incorrectly applied increases.

Is the calculator mobile-friendly?

Absolutely. The interface is fully responsive and works on any modern smartphone or tablet without downloading an app.

Rent increase calculator — Free Online

⚠️

This tool only performs calculations and is NOT investment or financial advice. Rates/taxes change; verify with official sources (bank, accountant, SPK-licensed advisor) before acting.

Current Rent (₺/month)

A 25% legal cap applies to residential rent increases.

⚠️ This is the rate in effect as of 2026; the cap is a temporary provision whose duration is extended via the Official Gazette. Confirm current validity with the law or a lawyer before renewing a lease.

Projection Years

Current Rent

₺10.000,00

₺120.000/yıl

New Rent

₺12.500,00

₺150.000/yıl

Monthly Increase

+₺2.500,00

+₺30.000/yıl

Applied Increase Rate

%25,0

Legal cap: %25 · 25% cap rent: ₺12.500,00

5-Year Rent Projection

1. year₺12.500,00/ay₺150.000 cumulative

2. year₺15.625,00/ay₺337.500 cumulative

3. year₺19.531,25/ay₺571.875 cumulative

4. year₺24.414,06/ay₺864.844 cumulative

5. year₺30.517,58/ay₺1.231.055 cumulative

Auto-deleted in 7 days

256-bit SSL

Support

Your files are encrypted with SSL and automatically deleted from our servers 7 days after processing.

📖 How to Use

Enter values

Fill required numbers in the form.

Pick parameters

Currency / date / rate / bracket.

Compute

Result appears instantly.

Copy / share

Copy or share as link.

Rent Increase Calculator

📖 How to Use