Legal Terms

Co-Tenant

Medehuurder

A co-tenant, or 'medehuurder', is a person who is jointly named on the rental contract and shares equal rights and responsibilities with the main tenant.

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Sharing the Lease and the Liability

A co-tenant (medehuurder) is legally distinct from a simple roommate or resident. A co-tenant is a person who, along with the main tenant (hoofdhuurder), has their name officially on the rental agreement. This creates a direct contractual relationship with the landlord. As a result, the co-tenant shares exactly the same rights and obligations as the main tenant. They have the same right to live in the property and enjoy the robust protections of Dutch tenant law. Critically, they also share joint and several liability for the full rent. This means that if one tenant fails to pay their share, the landlord can legally demand the entire rental amount from the other tenant. The landlord does not care how the tenants split the rent between them; they are only concerned with the total sum being paid.

Spouses and registered partners of a tenant who live in the property as their main residence automatically become co-tenants by law, even if their name is not on the original contract. For others, such as a partner who is not married or registered, becoming a co-tenant requires the landlord's permission. The landlord can only refuse this request on limited grounds, for example, if the person does not have sufficient income to support the rent.

Co-Tenancy vs. Having a Roommate

The legal position of a medehuurder is vastly stronger and fundamentally different from that of a simple roommate (huisgenoot) or a sub-tenant (onderhuurder). A roommate who is not on the lease has no contractual relationship with the landlord. Their agreement is solely with the main tenant. They have very few legal rights and generally do not have tenant protection; the main tenant can usually end the arrangement with a simple notice period. A co-tenant, by contrast, cannot be evicted by the main tenant. If one co-tenant wishes to leave, both must agree to terminate the lease with the landlord, or they must go through a legal procedure to have one person's name removed from the contract. If the main tenant leaves the property, the co-tenant legally becomes the main tenant and can continue the lease. This makes co-tenancy a secure but also highly binding legal status that should be entered into with a full understanding of the shared, long-term responsibilities it entails.