Lease Requirements and Formalities in Finland

The Act on Residential Leases (AHVL) is built primarily to secure the inviolability of the tenant's home and to prevent unreasonable conditions. The landlord's strongest security is a carefully drafted lease agreement that complies with the law's requirements.

Disclaimer: This guide provides general legal information. An incomplete contract is often interpreted in court to the detriment of the drafter (landlord) in a dispute. Information last verified: March 2026.

1. Written Form Requirement

Although an oral contract is valid in general Finnish contract law, a fixed-term residential lease agreement must always be made in writing by law. An agreement valid until further notice should ALSO ALWAYS be made in writing to avoid evidence problems. If a fixed-term contract is "carelessly" concluded only over the phone without paper/digital trace, the district court will interpret it directly to the tenant's advantage as a continuous and freely terminable valid until further notice contract.

2. Duration of the Contract and Finland's "Penalty Clauses"

Valid Until Further Notice (Most common in Finland)

The agreement is valid until either party brings it to an end with a notice of termination. The tenant has a legal and unalterable 1-month notice period, the investor (landlord) has 3 or 6 months.

• The 11-Month Penalty Clause (Contractual Penalty): The biggest operational risk for housing investors is the constant turnover of tenants every few months (wears out the apartment and brings brokerage fees). Therefore, a completely legal basic standard for the industry has been built in Finland: It is agreed in the contract that the first possible notice period begins at the earliest, e.g., after 11 months. If the tenant cancels/terminates the contract earlier (under a year), they must pay a "contractual penalty" equivalent to 1 or 1.5 months' rent. This strongly directs living for a minimum time of over a year, keeping the investment profitable.

Fixed-Term Contract

A precise legal date is set for the contract (e.g., Aug 1, 2026 – Jul 31, 2027), whereupon the contract ends without a notice of termination.

• In principle, neither party can unilaterally cancel a fixed-term contract in the middle of the contract period. Only exceptionally severe changes in life (e.g., death of a spouse or a job move hundreds of kilometers away suddenly) entitle one to break the fixed-term with a court's permission – however, this is rare.

3. Prohibited Conditions (Unreasonable and Non-Statutory Clauses)

Finnish law protects the tenant as the underdog in the housing market so strongly that AHVL overrides private freedom of contract in several protective areas:

• Dumping repair costs: If the contract says "The tenant is responsible for breakdowns of the refrigerator and washing machine regardless of the cause", the condition is completely void. The responsibility for the aging of household appliances falls inherently to the landlord (so-called normal wear and tear), unless the machine is physically broken by the tenant's own negligence.
• Forcing Home Insurance Upon Moving: Most landlords require "the validity of extensive home insurance throughout the tenancy and proof of it". However, monitoring this limps in many households; if a tenant cancels the insurance while living there, the supreme court does not take it as such as a direct, unequivocal basis for taking away a person's home through eviction without actual material damage, even if the contract nicely required it – the condition is considered mildly enforceable. Nevertheless, the home insurance condition should and must be logged in the requirement list as a strengthener of the right to claim damages.

Management of Electronic Contracts via Landager

Self-created incorrect PDFs, from which references to rent increase conditions in January have accidentally been deleted – these are everyday plagues for housing investors in Finland's expensive dispute cases. Landager's automatic "Contract Builder" dynamically and invariably compiles Appendices in accordance with "Good Rental Practice" verified by lawyers (such as contractual penalties for the next year, exact wording on using EKI indices), creating seamless digital contract kits. This links the signatures to Finland's strongly recognized bank identification (Signicat/NetS), confirming the signatory's legal capacity into your secure wallet in minutes.

Back to Finland Residential Tenancy Act (Overview).