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Review of commercial and professional leases: the indices for the second quarter of 2026 have been published

Publié le 30 juin 2026 - Mise à jour le 25 septembre 2026 - Entreprendre Service Public / (Prime Minister)

The Commercial Rent Index (CLI), the Service Rent Index (SLI) and the Cost of Building Index (ICC) are used to calculate the change in rent at the triennial or annual review of commercial and professional leases. They are also used to calculate the rent when renewing the lease.

Illustration
Image 1Crédits: ALDECAstudio - stock.adobe.com

Published on September 23, 2026 by the French national institute of statistics and economic studies (Insee), the new indices for commercial and professional leases for the second quarter of 2026 are as follows:

  • Commercial Rent Index: 137.16 (vs. 135.26 in the first quarter of 2026);
  • Building cost index: 2,103 (vs. 2084 in the first quarter of 2026);
  • Rent index of tertiary activities: 138.01 (vs. 137.42 in the first quarter of 2026).
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