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How much will the rent increase in December 2025 according to the index used to close the contract? - La Nacion Propiedades
Source:
www.lanacion.com.ar
December 02, 2025
Currently, three contracts coexist, but one type no longer receives any increase.
Contracts that are updated in December will receive another increase. Freepik
With just a few days left in November, current rental contracts will face another increase in their monthly value during the last month of the year. It's important to clarify that the increase will depend on the type of lease agreement signed, since three types of contracts are currently in effect : those signed under the rental law, those signed with its update, and those agreed upon after the repeal of the legislation.
The characteristics of each modality are as follows:
But, as was the case last month, the impact will be less: only those agreements signed under two current modalities will be updated , since contracts under the old rental law - even though many are still in force - and with ICL adjustments will no longer receive increases.
In December, two types of contracts will be updated: those signed under the old law, adjusted by Casa Propia, and those signed after the repeal of the regulations.Wasan Tita - Shutterstock
Meanwhile, contracts signed under the old law , with a three-year duration and annual updates by ICL, no longer reflect increases because, starting in October 2023, they began to be signed with Casa Propia (this modality expires in October 2025), and now there is contractual freedom. Those that were updated last October will definitively end in 2026.
In most cases, the agreements include quarterly or four-monthly updates based on inflation, as measured by the Consumer Price Index (CPI) .
Thus, for those who signed contracts with quarterly adjustments, the December increase will be calculated using the latest index published by INDEC (October 2025), resulting in a 6.43% increase . In concrete terms: if the rent is $600,000 , the new amount to be paid in November will be approximately $638,556.58 . Meanwhile, if the rent is $800,000 , the new amount will rise to $851,408.78 .
Now, the market landscape is different : the vast majority of rental contracts are now negotiated freely between the parties , for two years with adjustments every three or four months , in pesos and tied to inflation . Therefore, both tenants whose agreements are ending and those who have chosen to continue them will have to agree to the new contract under these conditions.
However, a key point to consider is that the prices currently listed on the market tend to be lower than the prices tenants pay under their contracts. This is because a gap emerged between the ICL adjustment and the rental prices of new contracts, although this gap has narrowed due to the slowdown in inflation.
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Source:
Cuánto aumenta el alquiler en diciembre de 2025 según el índice con el que cerraste el contrato
En la actualidad conviven tres contratos a la vez, pero una modalidad ya no percibe ningún aumento
www.lanacion.com.ar
December 02, 2025
Currently, three contracts coexist, but one type no longer receives any increase.
Contracts that are updated in December will receive another increase. Freepik
With just a few days left in November, current rental contracts will face another increase in their monthly value during the last month of the year. It's important to clarify that the increase will depend on the type of lease agreement signed, since three types of contracts are currently in effect : those signed under the rental law, those signed with its update, and those agreed upon after the repeal of the legislation.
The characteristics of each modality are as follows:
- Those that were signed under the rental law: have annual adjustments by the Rental Contract Index (ICL).
- Those who did so after the update of the regulations -in October 2023-: with semi-annual adjustments for Casa Propia.
- Those that were agreed upon after the repeal of the law - on December 29, 2023 - with contractual freedom between the parties.
But, as was the case last month, the impact will be less: only those agreements signed under two current modalities will be updated , since contracts under the old rental law - even though many are still in force - and with ICL adjustments will no longer receive increases.
In December, two types of contracts will be updated: those signed under the old law, adjusted by Casa Propia, and those signed after the repeal of the regulations.Wasan Tita - Shutterstock
Which contracts are updated in December
In this context, the contracts that will receive increases this month are the following:- Those signed in December 2023 under the updated law , with semi-annual adjustments for Casa Propia .
- Those signed from December 29, 2023 onwards , after the repeal of the law, with quarterly or four-monthly adjustments according to the CPI .
Meanwhile, contracts signed under the old law , with a three-year duration and annual updates by ICL, no longer reflect increases because, starting in October 2023, they began to be signed with Casa Propia (this modality expires in October 2025), and now there is contractual freedom. Those that were updated last October will definitively end in 2026.
CPI Increase
As of December 29, 2023 , with the repeal of the rental law, contracts began to be freely agreed upon by the parties . This means that landlords and tenants can freely agree on the contract duration, the frequency of adjustments, and the index to be usedIn most cases, the agreements include quarterly or four-monthly updates based on inflation, as measured by the Consumer Price Index (CPI) .
Thus, for those who signed contracts with quarterly adjustments, the December increase will be calculated using the latest index published by INDEC (October 2025), resulting in a 6.43% increase . In concrete terms: if the rent is $600,000 , the new amount to be paid in November will be approximately $638,556.58 . Meanwhile, if the rent is $800,000 , the new amount will rise to $851,408.78 .
By Casa Propia
It is important to clarify that the contracts signed for the Casa Propia index represent a small portion of the agreements, since this modality was in effect from October 18 to December 29, 2023. Thus, the contracts that were signed with Casa Propia will receive their fourth increase with an update of 21.69%. That is to say, if the rent started with a value of $200,000 -in 2023-, with this new increase it will go to $ 915,316By ICL
It is important to clarify that, since contracts are currently negotiated with freedom of contract, there are agreements that can still be finalized with adjustments based on the ICL, but the obligation of annual adjustment as the law stated no longer applies . Thus, those who receive the increase in December—with increases every three months—based on this index will have a 6.01% raiseWhat happens to contracts that expire?
In December, contracts will also end; these are the ones that were agreed in the same month of 2022 and signed under the rental law: for three years and with annual adjustments under the ICL .Now, the market landscape is different : the vast majority of rental contracts are now negotiated freely between the parties , for two years with adjustments every three or four months , in pesos and tied to inflation . Therefore, both tenants whose agreements are ending and those who have chosen to continue them will have to agree to the new contract under these conditions.
However, a key point to consider is that the prices currently listed on the market tend to be lower than the prices tenants pay under their contracts. This is because a gap emerged between the ICL adjustment and the rental prices of new contracts, although this gap has narrowed due to the slowdown in inflation.
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