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Turkish Statistical Institute: Analyzing Rent Increase in September and Methods to Calculate Hikes

September Rent Hikes Loom as turkey’s Inflation Data is Released


Millions of renters and property owners across Turkey are preparing for lease renewals, with a heightened focus on the impending rent increase rates. The crucial figures will become clear with the latest inflation data scheduled to be released by the Turkish Statistical Institute (TURKSTAT).

A critically important shift in rental regulations took effect on july 1, 2024, with the removal of the previous 25 percent increase limitation.Now, rent adjustments for both residential and commercial properties will be calculated based on the 12-month average of the Consumer Price Index (CPI), as stipulated in Article 344 of the Turkish Code of Obligations.

Understanding the new Calculation Method

The transition to a CPI-based calculation represents a substantial change for both tenants and landlords. This method aims to reflect the actual inflationary pressures impacting the cost of living and property ownership. Though, it also introduces a degree of uncertainty, as the final rent increase will directly correlate with the fluctuations in the CPI over the past year.

The announcement of August inflation data by TURKSTAT, slated for Wednesday, September 3 at 10:00 local time, will unlock the September rent hike percentages. This means that both landlords and tenants will have a clear understanding of the permitted increases before finalizing new lease agreements.

Impact on the Turkish Rental Market

High inflation is a continuing economic challenge in Turkey, and these changes to rent control measures are a direct response to this climate. This situation fundamentally alters how rental costs are determined, with substantial implications for household budgets and landlord income. The rental market has shown sensitivity to inflation in recent years, and this new method might amplify existing trends. Data from 2021 indicated a 19.60% inflation rate, a 7.32% jump from 2020, emphasizing the potential for significant rent adjustments.

Did You Know? The CPI is a key economic indicator, measuring the average change over time in the prices paid by urban consumers for a basket of consumer goods and services.

Year Turkey Inflation Rate (CPI)
2020 12.28%
2021 19.60%

long-Term Implications for Renters and Landlords

This shift in rental policy has broader implications for both tenants and landlords in Turkey. Renters should closely monitor economic news and be prepared for potential increases, while landlords may need to reassess thier property investment strategies in light of the changing regulatory landscape.

Pro Tip: Both tenants and landlords should maintain detailed records of lease agreements and all associated financial transactions for future reference.

Frequently Asked Questions

  • What is the primary driver of rentincreasesinTurkeynow? The 12-month average of the Consumer Price Index (CPI) is the main factor determining rent increases.
  • When will the August inflation data be released? August inflation rates will be announced on Wednesday, September 3 at 10:00.
  • Does this new system apply to commercial properties as well? Yes, the CPI-based calculation applies to both housing and workplace rents.
  • What is the Turkish Code of Obligations article 344? It’s the legal basis for calculating rent increases using the CPI average.
  • How can tenants prepare for potential rent hikes? By staying informed about the CPI and budgeting accordingly.

What are your thoughts on the new rent increase regulations? Share your comments below, and let’s discuss the impact on the Turkish rental market.



What methods does TÜİK employ to ensure the accuracy and representativeness of its rental index data collection?

Turkish Statistical Institute: Analyzing Rent Increase in September and Methods to Calculate Hikes

September 2025 Rent Data from TÜİK – Initial Observations

The Turkish Statistical Institute (TÜİK) has released its latest data regarding residential property rental increases for September 2025. Preliminary findings indicate a continued, though moderating, rise in rental costs across major metropolitan areas.While the year-on-year increase remains meaningful, the month-on-month growth shows signs of stabilization, potentially signaling a peak in the rapid escalation seen throughout 2024. Key cities like Istanbul, Ankara, and Izmir are exhibiting varying degrees of rent inflation, with Istanbul consistently reporting the highest increases. Understanding these trends is crucial for both landlords and tenants navigating the Turkish rental market. This article will delve into the TÜİK data, explore methods for calculating rent hikes legally, and provide insights into factors influencing these changes.

Understanding TÜİK’s Rental Index

TÜİK’s rental index is a vital resource for tracking changes in housing costs. It’s based on a weighted average of rental prices collected from various sources across the country. Here’s what you need to know:

Data Collection: TÜİK gathers data from real estate agencies, property owners, and tenants.

Weighting: The index assigns different weights to various regions and property types based on their prevalence in the market.

Frequency: Data is typically released monthly, providing a current snapshot of rental market conditions.

Accessing the data: The latest reports and ancient data are available on the TÜİK website (https://data.tuik.gov.tr/). Direct links to rental indices are frequently enough updated, so navigating the site is key.

Legal Framework for Rent Increases in Turkey

Turkish law regulates rent increases to protect tenants from excessive hikes. The primary legislation governing this is the Turkish Code of Obligations (Borçlar Kanunu). Here’s a breakdown of the key points:

Annual Increase Limit: For contracts signed before July 1, 2023, the maximum annual rent increase is capped at 25%. This cap remains in effect for the duration of the original contract.

Contracts After July 1,2023: Contracts initiated after this date are subject to the 12-month consumer price Index (CPI) change announced by TÜİK. The increase cannot exceed this CPI figure.

Renewal of Contracts: Upon renewal, the rent can be adjusted based on the 12-month CPI, nonetheless of when the original contract was signed.

Negotiation: Landlords and tenants can always negotiate a rent increase,even if it’s below the legally permissible maximum.

Calculating Rent Increases: A Step-by-Step Guide

calculating the legal rent increase requires understanding the TÜİK CPI data. Here’s a practical guide:

  1. identify the Relevant CPI Data: Locate the 12-month CPI change announced by TÜİK for the period preceding your rent increase. This data is usually released monthly.
  2. Determine Your Current Rent: Know your existing monthly rent amount.
  3. Calculate the Increase Amount: Multiply your current rent by the CPI percentage (expressed as a decimal). Such as, if the CPI is 40% (0.40) and your rent is ₺10,000, the increase amount is ₺4,000.
  4. Calculate the New Rent: Add the increase amount to your current rent. In the example above, the new rent would be ₺14,000.

Example:

Let’s say the TÜİK CPI for September 2025 shows a 40% increase over the previous 12 months. Your current rent is ₺8,000.

Increase amount: ₺8,000 x 0.40 = ₺3,200

New Rent: ₺8,000 + ₺3,200 = ₺11,200

Factors Influencing Rent Increases in Turkey

Several factors contribute to the fluctuations in rental prices:

Inflation: Overall inflation, as measured by the CPI, is a primary driver of rent increases.

Demand & Supply: High demand for rental properties,especially in major cities,coupled with limited supply,pushes prices upward.

Economic Conditions: Economic growth, employment rates, and income levels all influence the rental market.

Location: Properties in desirable locations (e.g., near transportation, schools, amenities) command higher rents.

Property Condition: Well-maintained and modern properties generally attract higher rental rates.

Interest Rates: Higher interest rates can make homeownership less affordable, increasing demand for rentals.

Regional Variations in Rent Increases – September 2025

TÜİK data reveals significant regional disparities in rent increases.

* Istanbul:

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