Once a year, on the anniversary date of the contract, it is customary to review the amount of the rent. The calculation formula is: Rent x new index / old index = new rent. Conducting a Rent Review with Rentila To perform a rent review, follow these steps: Go to the “Tools” section and select “Rent Review” or use the actions available on the right in the “Tenancies” section. Select the tenancy agreement for which you want to review the rent. Indicate the year of the last review and the starting, old index. Indicate the new index. Check the amount Read more