September 2025 Rent Increase Rate Has Been Determined The rent increase rate, which is of close concern to millions of tenants and landlords in Turkey, has become clear. September August 2025 With the announcement of the TURKSTAT inflation data, the rate of increase to be applied in September also became clearptember 2025 Rent Increase Rate Has Been Determined The rent increase rate, which is of close concern to millions of tenants and landlords in Turkey, has beptember 2025 Rent Increase Rate Has Been Determined The rent increase rate, which is of close concern to millions of tenants and landlords in Turkey, has become clear. September August 2025 With the announcement of the TURKSTAT inflation data, the rate of increase to be applied in September also became clear. According to the announced data, the Consumer Price Index (CPI) increased by 39.62 percent when the 12-month averages were taken into account as of August. This rate will be the increase ceiling to be applied for residential and business owners who will renew their rental agreements in September. In other words, the increase rate will be applied as the highest 39.62 percent for tenants who will renew their lease contracts in September.In other words, the increase rate will be applied as the highest 39.62 percent for tenants who will renew their lease contracts in September. While this means a new burden for tenants strugIn other words, the increase rate will be applied as the highest 39.62 percent for tenants who will renew their lease contracts in September. While this means a new burden for tenants struggling with high rents, especially in big cities, it also creates a balance for landlords in terms of protecting their income against inflation. The rent increase rate determined according to the 12-month average of CPI every month also directs the agreement to be made by the landlord and the tenant. The parties can determine a lower Decrement rate among themselves, provided that they do not exceed this rate. Tenants and landlords who will renew their rental agreements in September will need to make new agreements taking this rate into consideration.