Unfurnished is a three-year lease with a one-month deposit; furnished is one year, or nine months for a student, with two months. The tenant can leave on one month's notice in a zone tendue, which Paris is. Underwrite the turnover.
The dossier decides who gets the flat: proof of income around three times the rent, and a French garant or a Visale guarantee. Landlords cannot legally demand documents outside the statutory list.
The DPE is now a letting test, not a label. Class G has been barred from new lettings since 2025 and F follows in 2028, which turns an unrenovated top-floor chambre into a capex decision.