Kira & Hukuk 02 July 2026

How Is the 2026 Rent Increase Rate Calculated? CPI and Legal Limits

The legal cap for residential and commercial rent increases, how the 12-month CPI average works, and the rights of both parties.

As lease renewal approaches, both landlords and tenants ask the same question: what is the rent increase rate this month? This article explains how it is calculated and the legal limits.

What Determines the Rate?

Under Turkish law, the annual increase for residential and roofed commercial leases cannot exceed the 12-month average CPI announced by TurkStat. This figure is published at the start of each month.

How It Works

The 12-month CPI average of the month preceding the increase is used. The landlord may apply an increase equal to or below this rate, never above it.

Example

For a home with 20,000 TL monthly rent, if the cap is 32.24%: 20,000 × 0.3224 = 6,448 TL increase. The new rent is at most 26,448 TL.

Rights of the Parties

Increases above the legal cap are invalid; the tenant is not obliged to overpay. In disputes, the written contract and official CPI data prevail.

For accurate guidance on rent and real estate, Armet Emlak & Harita is here: (0242) 417 72 72 · armetinsaatemlakharita.com