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How Does a Rental Contract for a Subtenant Work?

For robots
June 8, 2026

Renting out a room in your home, meaning having a subtenant, can be an excellent solution for both the person renting out and the person renting. For the landlord, it can mean extra income and companionship, while the subtenant gains access to housing, often at a lower cost than a separate apartment. However, to ensure everything runs smoothly and to avoid future conflicts, it is crucial to have a correct and clear rental contract for a subtenant. This document protects both you as the landlord and your subtenant.

In this guide, we will walk you through how to write a legally sound rental contract for a subtenant, step by step. We will cover the necessary clauses, rights, and responsibilities for both parties.

Creating a Legally Sound Rental Contract for a Subtenant

A well-written contract is the foundation for a successful rental. It minimizes the risk of disputes and provides security for everyone involved. Here are the steps to create such a contract:

Step 1: Identify the Parties and the Property

Start by clearly stating who is entering into the agreement. This includes:

  • Landlord: Full name, personal identification number (personnummer), and address.
  • Subtenant: Full name, personal identification number (personnummer), and current address.
  • Property: Full address of the dwelling where the room is located. Also specify which areas are included in the rental (e.g., kitchen, bathroom, hall) and which are shared.

Step 2: Define the Rental Period

Specify how long the agreement is valid. It can be:

  • Fixed-term: State a specific start and end date. This is common if you are renting out for a study period or a project assignment, for example.
  • Indefinite: The agreement is valid until further notice, with a notice period for both parties. According to Swedish law, the standard notice period is usually three months for indefinite agreements, but this can be agreed upon differently in a rental contract for a subtenant, as long as it is not unreasonable.

Step 3: Determine Rent and Payment Terms

Be clear about the rent amount and when it should be paid.

  • Rent Amount: State the monthly rent for the room.
  • Payment Due Date: Specify the latest date by which the rent must be paid each month.
  • Payment Method: Indicate how the payment should be made (e.g., bank transfer to a specific account).
  • Additional charges for electricity, water, internet: If these costs are to be shared or included in the rent, specify this clearly. If there is an additional charge for these, state how it is calculated and paid.

Step 4: Regulate the Use of Common Areas

When renting out a room, it is common for certain areas to be shared. To avoid conflicts, it's good to regulate this:

  • Areas to be Shared: E.g., kitchen, bathroom, living room.
  • Rules for Use: May include times for showering, noise levels, cleaning of common areas.
  • Guest Policy: Specify if and how subtenants may have their own overnight guests.

Step 5: Establish Rules for Order and Maintenance

To maintain a good living environment, it's important to regulate:

  • Cleaning: Who is responsible for what? Specify cleaning of the private room, common areas, and possibly stairwells or outdoor areas.
  • Smoking and Pets: State whether smoking indoors or having pets in the dwelling is permitted.
  • Renovations/Alterations: Subtenants are generally not allowed to make any changes to the room or dwelling without the landlord's written consent.

Step 6: Termination Conditions

Even though there are statutory rules, it's good to specify the notice period in the contract. For a subtenant renting in a second-hand situation, a three-month notice period usually applies, but this can be adjusted. Ensure the notice period is reasonable.

Step 7: Security Deposit

It is common to request a security deposit to cover potential damages caused by the subtenant or for unpaid rent. Specify:

  • Deposit Amount: Usually equivalent to 1-3 months' rent.
  • When the Deposit is Due: Typically upon signing the contract.
  • Conditions for Refund: When and how the deposit will be refunded, provided the room and furnishings are in good condition and all rent has been paid.

Step 8: Other Provisions and Signatures

Include any other important points not covered above. This could relate to insurance, liability in case of damage, or rules regarding the landlord's own presence in the dwelling during certain periods.

Conclude the contract with the date and signatures from both the landlord and the subtenant. Ensure both parties receive a copy of the signed rental contract for the subtenant.

Important Considerations

When writing a rental contract for a subtenant, it's important to be aware of your and the subtenant's rights and obligations. As a landlord, you have a responsibility to ensure the dwelling is in good condition and that you comply with current legislation. Subtenants have the right to a safe and secure living environment and should not be subjected to disturbances.

Remember that the rules for subtenants differ slightly from renting out an entire apartment. If you are renting out a part of your own home where you also live, it is considered a subtenancy situation. However, if you are renting out a separate apartment that you do not live in yourself, it is considered a second-hand rental and has different rules.

Writing a contract for a subtenant is a way to create clarity and security. By following these steps, you can create a robust agreement that protects all parties and contributes to a positive living experience.

FAQ

Can I rent out a room without a contract?

It is strongly advised not to do so. Although an oral agreement may be legally binding in some cases, it lacks the clarity and proof that a written rental contract for a subtenant provides. A written agreement protects both you and your subtenant in case of any disputes.

What happens if the subtenant doesn't pay the rent?

If the subtenant fails to pay the rent, you as the landlord may need to take action. First, you should send a written reminder. If payment is still not made, you may need to terminate the agreement and, as a last resort, turn to the Enforcement Authority (Kronofogden) for assistance with eviction, but this requires a valid contract and adherence to all formal steps.

Do I, as the landlord, need permission to rent out a room?

If you own your home (e.g., a housing cooperative or a house), you generally do not need permission to rent out a room as a subtenant, as long as you live in the dwelling yourself. However, if you rent your dwelling second-hand, you must have permission from your own landlord to rent out a room.