Subletting Without Permission: What Happens?

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July 12, 2026

Subletting a property without permission is a common situation, but it's also one of the most frequent ways for tenants to end up in conflict with their landlord or even lose their primary lease. Many are unaware of the risks associated with renting out their home without proper approval. This article details what can happen if you choose to sublet without permission, the potential consequences, and how you can instead proceed legally and securely.

Why is Permission Required?

According to Swedish law (jordabalken), tenants have an obligation to use the property as their own home. Subletting without the landlord's or the Rent Tribunal's (Hyresnämnden) consent violates this. The landlord has an interest in knowing who resides in the property for several reasons:

  • Tenant Screening: The landlord wants to ensure that the person living in the apartment is suitable and adheres to the rental rules.
  • Maintenance and Care: The landlord wants to ensure the apartment is properly maintained.
  • Breach of Contract: The landlord wants to prevent unscrupulous individuals from commercially subletting without their knowledge.

Therefore, subletting without permission can be considered a breach of contract, potentially leading to the termination of the lease.

Consequences for the Tenant

If you, as a tenant, sublet your property without permission and this comes to light, the consequences can be severe. These may include:

Warning and Termination

The most common action is for the landlord to issue a warning. If the situation persists or is deemed a serious breach, the landlord can terminate your primary lease. A termination due to unauthorized subletting is often valid, meaning you must vacate the property. This applies even if you have a long and good relationship with your landlord otherwise.

Loss of Primary Lease

Losing your primary lease can be devastating, especially in today's competitive rental market. Finding a new place to live can become extremely difficult, potentially leaving you in a precarious housing situation. It is therefore crucial to always follow the rules regarding subletting.

Legal Repercussions

In some cases, particularly if the subletting was for commercial purposes with a profit motive, the landlord may also claim damages. This could apply if the illegal subletting caused financial harm to the landlord.

Consequences for the Unauthorized Subtenant

Even the person renting in the second hand without permission can be affected. Although the primary tenant usually bears the brunt, the subtenant may also be forced to move out on short notice if the primary lease is terminated. Furthermore, it can be difficult to recover a security deposit if the subletting was not conducted properly.

How to Sublet Legally?

To avoid problems and consequences when you wish to sublet your property, it's important to follow the applicable rules. Here are the steps you should take:

Apply for Permission from the Landlord

The first and most important step is to apply for permission from your landlord. In your application, you should state:

  • Who will be subletting the property.
  • The reason for the subletting (e.g., work in another city, studies, military service).
  • The duration of the subletting.

The landlord can only deny the application if there are valid reasons, such as if the prospective subtenant is deemed unsuitable or if the subletting is not time-limited.

Apply for Permission from the Rent Tribunal (Hyresnämnden)

If your landlord denies permission, but you still have reasons to sublet (e.g., for extended work out of town or illness), you can apply for permission from the Rent Tribunal. The Rent Tribunal can grant permission if there is a reasonable cause for the subletting and you can demonstrate that you cannot live in the property yourself during the period. This is crucial for legal subletting if the landlord refuses.

Draft a Proper Rental Agreement

Once you have obtained permission, it is essential to draft a written rental agreement for the sublet. This agreement should include:

  • Information about the primary tenant and the subtenant.
  • Information about the rented property.
  • The duration of the rental period.
  • The rent amount (which must not exceed your own rent).
  • Rules regarding the security deposit.

A clear sublease agreement protects both you and your subtenant.

Inform Insurance Companies and Other Parties

Ensure your home insurance covers subletting, or obtain separate insurance if required. Also, inform other relevant parties about the subletting.

Frequently Asked Questions about Subletting Without Permission

### Can I sublet my student housing without permission?

Even for student housing, permission from the landlord (often a student housing company) is usually required. However, rules can vary slightly, so always check with your specific housing provider. Subletting without permission can lead to the loss of your student accommodation.

### What happens if I sublet a furnished apartment without permission?

Whether the apartment is furnished or unfurnished is irrelevant; the requirement for landlord permission remains. Subletting a furnished apartment might even be seen as a clearer indication that you are not using the property as your primary residence, which could further complicate your situation if discovered.

### Can I charge a higher rent for subletting than I pay myself?

No, it is not permitted to charge a higher rent for the sublet than you yourself pay to your landlord. If you do so, and it is discovered, it can be considered a serious breach of contract, and you may be required to repay the difference or face other penalties. This applies even if you have received permission for the subletting.

### How long can I sublet for?

Generally, a sublet should be for a limited period. To obtain permission from the landlord or the Rent Tribunal, a reasonable cause for the subletting is often required, such as work in another city or studies. Longer sublets, or sublets without a clear time limit, may be harder to get approved and can be seen as you no longer intending to use the property as your own home. Subletting without permission and without a time limit is particularly risky.

### What should I do if my landlord denies my subletting request?

If your landlord denies permission, but you believe you have reasonable grounds for the subletting, you can turn to the Rent Tribunal to apply for permission there. The Rent Tribunal will review your case and can grant permission if they deem your reasons strong enough and the subletting reasonable. You will need to provide documentation for your reasons, such as an employment contract or proof of studies.

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