Owners of poorly insulated housing, known as thermal sieves, face major challenges in 2025. Between rental bans and renovation obligations, many must review their plans. The risk of an explosion of disputes between tenants and landlords is already worrying experts in the sector.
Adopted in 2021, the Climate and Resilience law imposes a progressive timetable to eliminate thermal sieves from the rental market. From January 2025, around 1.5 million housing units classified G in the DPE will no longer be able to be rented. For homeowners, this means either financing costly renovations or taking their properties off the market. Retirees, who constitute a significant part of the owners concerned, are particularly impacted.
Thermal strainers: An avalanche of litigation to be expected
Tenants will benefit from strengthened legislation in 2025, allowing them to demand rent reductions or require renovation work. Lawyers anticipate up to 18,000 disputes per month, according to Loïc Cantin, president of FNAIM. These disputes could saturate the courts and lead to a massive judicialization of rental relations, reminiscent of the conflicts arising from the 1948 law.
However, owners have options to anticipate this crisis. Among them:
- Energy audit: Identify the priorities and costs of the necessary work.
- Financial aid: Programs like MaPrimeRénov' or eco-PTZ can ease the burden of renovations.
- Negotiation with tenants: A temporary reduction in rent can defuse tensions and avoid lawsuits.
Some are also considering selling their assets to escape these constraints. However, this choice risks worsening pressure on the real estate market.
A rental market even more tense because of the restrictions imposed by thermal strainers
Between rental bans and rising property taxes, 2025 could mark a turning point for investors. The reduction in rental supply risks penalizing tenants, with potentially rising rents. This situation calls for a balance between incentives for renovation and support for owners, while preserving access to affordable housing for the most vulnerable households.
In conclusion, 2025 promises to be a crucial year for the rental market in France. Landlords must act quickly to comply with the new requirements, while tenants hope for more decent housing. This collective challenge will require concerted solutions to avoid a lasting crisis, in particular through reinforced dialogue between public authorities, owners and tenant associations.
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