France Second Homes and Change-of-Use Authorisation

A second home let short-term in France does not follow the principal-residence cap route. In cities where change-of-use rules apply, letting a second home as a short-term rental requires change-of-use authorisation, because the use changes from residential to a commercial short-let use. That authorisation is a planning-style permission, distinct from declaration and from the Declaloc number, and it must be obtained where required before letting, not after bookings arrive.

Hosts often discover this distinction late, after furnishing and listing a second home as if it were a principal residence. The cost of late discovery is high: bookings may need cancelling, furnishing investment may sit idle, and an unauthorised letting history may complicate a later application. Check the regime before spending: classify the property honestly, then follow the route for that classification.

Change-of-use authorisation applies in certain cities and zones, typically larger cities with housing pressure, and its exact scope is set by local rules. A host cannot infer from a neighbouring city whether authorisation is required for their address. The commune portal for the address, and service-public.fr guidance, are the sources to check. Note the answer with its date, since zones and city lists can change.

Within a city, the answer can vary by area or building. A second home in one district may require authorisation while a similar property elsewhere in the same city does not, depending on zoning and local decisions. Address-level checking is therefore essential. A general statement that second homes in a city need authorisation, or do not, should not be relied on without an address check.

In Paris, change-of-use for second homes is famously linked to compensation: creating a replacement residential unit, known as compensation, as a condition of authorisation in many cases. That Paris mechanism is covered in its own guide in this cluster, and hosts should not assume the same mechanism applies in every city with change-of-use rules. Other cities may use different conditions, fees or criteria, or may refuse authorisation on housing grounds without a compensation route.

Where conditions apply, they form part of the authorisation, not an optional extra. A host who obtains authorisation subject to conditions, such as a limit on the unit or a requirement about the replacement property, must comply with those conditions for the authorisation to remain valid. Keep the authorisation document with its conditions in the property file, and recheck compliance when the letting pattern changes.

The boundary turns on habitual living, not on ownership labels. A host who lives in a property for most of the year and lets it while away is in principal-residence territory. A host who owns a property primarily for letting or occasional personal use, while living mainly elsewhere, is in second-home territory. Close cases, such as split living between two homes, need careful factual description and, where the answer is unclear, guidance from the commune or professional advice.

Reclassification over time also matters. A principal residence can become a second home if the host moves, and a second home can become a principal residence if living patterns change genuinely. When classification changes, the regime changes with it: declaration, cap and authorisation notes must all be reviewed. Do not carry forward an old regime after a move without a fresh check.

Second homes in apartment buildings face condo rules in addition to city authorisation. A building's copropriete rules may ban or restrict short letting, and that private restriction applies even where the city would authorise the use. Lease clauses can similarly restrict a tenant's ability to let a second home. Check building and lease documents before applying for authorisation, since city permission does not override a building ban.

That order, building first, city second, saves wasted applications. A host who obtains city authorisation and then discovers a building ban has spent time and money on a permission they cannot use. A host who checks the building first can decide whether to proceed, seek building approval where possible, or choose a different property.

First, classify the property honestly. Second, check change-of-use requirements for the exact address. Third, check building and lease permission. Fourth, complete declaration and obtain the Declaloc number. Fifth, set up stay and income records and a cap or authorisation tracker as applicable. Sixth, recheck before each season. That sequence, classification first and listing last, prevents the most expensive French second-home mistakes.

This guide is general information only, last verified on 26 October 2026. Verify change-of-use requirements for the address on service-public.fr and the commune portal, and seek professional advice for complex authorisation cases.