Legal Limit and Average CPI The May 2026 rent increase rate, eagerly awaited by property owners and tenants across Turkey, has been announced. The legal upper limit, determined based on the 12-month average of the CPI, has been set at 32.43%. This rate represents the maximum increase that can be applied to both residential and commercial lease agreements entering a renewal period. Sample Calculation and Application Details To examine the concrete impact of the increase rate w