Increasing rent in France: indexation, works, reletting and renewal

Annual indexation, an agreed increase after improvements, re-letting rent and reassessment on renewal are different mechanisms. Their conditions and procedures should not be combined indiscriminately.
This guide concerns French private main-residence tenancies outside special regimes. Identify the correct route before calculating or notifying an amount.
1. Identify the relevant event
| Situation | Preliminary question | Essential check |
|---|---|---|
| Annual IRL revision | Is there a valid clause? | Date, indices, deadline and energy restrictions |
| Works during the tenancy | Is this a permitted agreed improvement increase? | Express clause or amendment, work and legal conditions |
| Replacement tenant | Which local rules apply? | Previous rent, controls, DPE and precise exceptions |
| Renewal | Is rent manifestly undervalued? | Comparable references, proposal and statutory timetable |
Higher charges, general inflation or a neighbour's advertised rent are not substitutes for a legal basis. Our lease guide helps find the original terms.
2. Annual revision: use the clause, not market rent
IRL revision requires a clause and compliance with relevant conditions. Compare the same quarter in the correct geographical index series. It does not freely recover missed years or backdate a late request.
The IRL guide and calculator cover this route. Arithmetic alone does not establish a right to increase rent.
3. Works: distinguish mandatory upkeep from improvements
Fixing a leak, restoring equipment or meeting housing standards does not automatically permit higher rent. Improvement-related increases require checking the work's nature and the agreement under an express clause or amendment within the permitted framework.
Record the work, financing, agreed amount and effective date. Receiving a quotation is not tenant consent to pay more. The official during-tenancy increase guide (opens in a new tab) explains conditions; works in an occupied home also require information and access arrangements.
4. Re-letting: departure does not always free the rent
Before offering a new contract, check the municipality, applicable controls, previous rent and time since the former tenant left. High-demand areas can restrict increases between tenants. Some territories also apply separate reference-rent ceilings.
Do not confuse these two controls. Any exception for works or undervaluation requires its own evidence; “renovated” in an advertisement is insufficient. Consult the official rent-setting rules (opens in a new tab) for the location and new-contract date.
5. Renewal: plan the proposal in advance
Reassessing manifestly undervalued rent follows a timetable and formal requirements. The ordinary route includes advance notice and comparable rent references. It is not a last-minute new amount imposed just before expiry.
Proposal periods, dispute routes and phasing depend on the regime. The official renewal increase guide (opens in a new tab) explains these stages. Silence should not be treated as automatic agreement.
6. Check the DPE before every route
The F/G rent freeze can block an increase despite an IRL clause or apparently low rent. Also check energy-related housing standards: permission to let and permission to increase rent are different questions.
A signed amendment does not bypass mandatory law. Keep the applicable diagnostic, references, calculations, agreements and notifications with the rental records.
Frequently asked questions
Can every increase be added together?
Not mechanically. Check each basis, period and ceiling to avoid double counting or prohibited increases.
Does annual revision reset rent freely?
No. It applies an existing contractual mechanism and does not replace re-letting or renewal rules.
Who can identify the appropriate route?
An ADIL housing advice service can consider the lease, locality and DPE. Seek review before notifying a case combining works, controls and renewal.
Sources checked on 29 October 2026: Articles 17–18 and 25-9 of the 1989 law (opens in a new tab). General information about French law, not individual authorisation for an increase.