
You have just received a letter informing you that your application for social housing has been rejected. The disappointment is legitimate, but this refusal does not mean that the door is permanently closed. Several appeals exist, provided you understand why the decision was made and respond within the appropriate timeframes.
Reasons for refusal by the allocation commission: what the landlord must provide you
Before contesting anything, you must first obtain the exact reasons for the refusal. The Housing Allocation Commission (CAL) examines each file and designates the selected candidate. When it rejects an application, the refusal must be justified and notified in writing.
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This obligation has existed since the law on combating exclusion in 1998. Since the 3DS law of February 21, 2022, social landlords must maintain an updated register of justified decisions and communicate them to applicants who request them.
In practice, if you receive a simple letter stating “application not retained” without explanation, you are entitled to request the specific reason. Send a registered letter to the landlord. Without written justification, the decision is legally weakened. You can also learn more on immoplanet.fr about the steps to take in response to a social housing refusal via the AL’in platform.
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The most common reasons for refusal relate to the applicant’s resources, deemed insufficient compared to the rent. The landlord then calculates an effort rate (the share of rent in income) or a remaining amount to live on. The problem: these criteria are not uniform from one landlord to another, which opens the door to disputes.

Contesting a social housing refusal: amicable then contentious appeal
Once the reason is known, two steps emerge.
The amicable appeal to the landlord
The first step is to write to the social landlord to contest the decision. Attach to your letter any documents that address the stated reason: recent pay slips, proof of social assistance, guarantor documentation.
This amicable appeal does not suspend your initial application. Your unique registration number remains active, and you may be proposed for another housing option during the process.
The appeal to the administrative court
The refusal to allocate social housing is an administrative decision. If the amicable appeal fails, you can take the matter to the administrative court. Here are some practical pointers:
- The deadline for filing a contentious appeal is generally two months from the notification of the justified refusal.
- The application can be drafted without a lawyer, but legal aid is available if your resources are modest.
- The judge checks whether the reason for refusal is based on legal criteria and whether the CAL followed the procedure (written justification, effective review of the file).
A refusal based on an excessively high effort rate can be contested if the landlord did not take certain housing aids into account in the calculation. The administrative judge has the authority to annul the decision and order a re-examination of the file.
DALO appeal: when the right to housing becomes your lever
Have you been waiting for an abnormally long time without a suitable proposal? The appeal under the Right to Opposable Housing (DALO) serves as a distinct lever from the classic contestation.
DALO is not a mechanism for direct access to housing. It is an appeal provided for by the law of March 5, 2007, for people who have been unable to access decent housing through ordinary means. Any person residing legally in France and meeting the conditions for access to social housing can file a DALO appeal.
You must first contact the mediation commission in your department. This commission has several months to review your file and provide an opinion. If it recognizes your situation as a priority, the prefect must offer you suitable housing within a specified timeframe.
What happens if no proposal arrives? You can then approach the administrative court to request an injunction against the State. In several departments in the Île-de-France region, prefectures have strengthened the use of the power of designation from the prefectural contingent following decisions from the Council of State reminding the State of its responsibility in case of non-compliance with DALO deadlines.

Strengthening your social housing application after a refusal
Contesting a refusal without improving your file simultaneously would be a mistake. Why was your application set aside compared to other profiles?
The CAL ranks files according to priority criteria: length of application, current housing conditions, family composition, resources. Regularly updating your file on the application portal is essential. A change in situation (birth, job loss, temporary housing with a third party) can alter your priority level.
Here are some concrete actions to take after a refusal:
- Ensure that your declared income includes all social aids received, as they are part of the calculation for the remaining amount to live on.
- Broaden your geographical choices if your application is limited to a single highly sought-after municipality.
- Seek support from a specialized association (ADIL, tenant assistance associations) to have your file reviewed before a new submission to the commission.
- Contact the social service of your town hall, which can support your application to the landlord by highlighting the urgency of your situation.
A refusal from the CAL does not eliminate your application. Your file remains in the system and can be presented again during a future allocation. The difference between a file that succeeds and one that stagnates often lies in its updating and the accuracy of the provided documents.
The path to social housing after a refusal may seem discouraging. Each step (request for written justification, amicable appeal, referral to the court or DALO commission) corresponds to a specific right provided by law. Acting within deadlines and documenting every exchange with the landlord remains the best way to turn a refusal into a new opportunity for allocation.