
January 2026 Rent Increase Rate Announced! How Much is the Increase? The eagerly awaited announcement has arrived for millions of people with rental homes or workplaces.
The January 2026 rent increase rate has been announced! With TÜİK’s announcement of December inflation figures, the legal increase rate that can be applied to rents this month has also been clarified.
How Much is the January 2026 Rent Increase Rate?
According to the data from the Turkish Statistical Institute (TÜİK):
December 2026 annual inflation rate: % 30.89
12-month average CPI (rate used for rent increases): % 34.88
The January 2026 rent increase rate has been announced with TÜİK data. The legal increase rate for homes and workplaces is % 34.88. Accordingly, in rent contracts to be renewed in January 2026, landlords will be able to apply a maximum increase rate of % 34.88. This rate is valid for both residential rents and workplace rents.
Important Note: Landlords can apply an increase below this rate, but an increase above it is not legally valid.
How is the Rent Increase Determined?
The rent increase rate is calculated based on the 12-month average of CPI (Consumer Price Index), announced monthly by TÜİK (Turkish Statistical Institute) according to the Turkish Code of Obligations and current regulations.
The 25% upper limit applied during the 2022–2024 period has now ended; therefore, rent increases in 2026 are once again tied to the CPI average.
Landlords can only increase rent provided they do not exceed the 12-month average of CPI (Consumer Price Index).
Even if provisions like “CPI + X%” are present in the contract, the total rate cannot exceed this limit.
Most Frequently Asked Questions About January 2026 Rent Increase
What is the January 2026 rent increase rate?
34.88% (12-month average of CPI)
Is this rate only for residences, or does it also apply to workplaces?
Yes, it is valid for both.
What happens if the landlord asks for a 40% increase?
The legal limit is 34.88%; anything beyond that is not valid, and the tenant can object.
My rent contract states ‘CPI + 5%’, what will happen?
The total increase cannot exceed 34.88%; this rate is the upper limit.
Does the rent increase change every month?
Yes, the 12-month average is updated every month according to the inflation data announced by TÜİK (Turkish Statistical Institute).
Is this rate valid in a rent determination lawsuit?
The court takes into account the 12-month average of CPI (Consumer Price Index); this rate is the upper limit.
Is it a problem if the landlord does not increase the rent?
No, increasing the rent is not mandatory; the parties can agree on a fixed rent.
What happens if the tenant does not accept the increase?
The landlord can send a written warning; however, an increase exceeding the legal limit can be disputed in court.

Conclusion: Upper Limit for Rent Increase in January 2026 % 34,88
According to the latest data announced by TÜİK, the highest possible increase rate for home and workplace rents in January 2026 has been % 34.88. Landlords cannot exceed this limit, and tenants can demand an increase based on this rate. Before renewing your lease agreement in the new period, be sure to check your contract clauses and TÜİK data. Rent increase rate calculation.


