Land Code (SFS 1970:994) chapter 12, the Tenancy Act

The lease between landlord and tenant: notice, security of tenure, rent, subletting and the condition of the premises.

Register row

12 kap. 1 §
Scope of the lease
The chapter applies to agreements where a house or part of a house is let for use against payment.
12 kap. 4 §
Notice period
An open-ended lease ends at the month change nearest three months after notice for a dwelling, nine months for premises.
12 kap. 39 §
Subletting
The tenant may sublet only with the landlord's consent or the tribunal's permission.
12 kap. 46 §
Direct security of tenure
A residential tenant has a right to extension unless one of the listed grounds applies.
12 kap. 55 §
Reasonable rent
The rent shall be reasonable and is tested against rents for dwellings of equivalent utility value.
12 kap. 57 §
Indirect security of tenure
A commercial tenant refused extension is entitled to compensation where the landlord lacks legitimate reason to end the tenancy.
12 kap. 58 §
Notice for changed terms
The landlord must state the terms demanded for extension in the notice and inform the tenant about referral to the tribunal.

The page states what the source says under the stated conditions. It is not advice in an individual matter.

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