Renting & housing

Rental Contract in Spain: Essential Clauses for Expats

By the AbogadoAI editorial team · Updated 18 July 2026 · 11 min read

🇪🇸 Read the original in Spanish

Signing a rental contract in Spain is one of the most important financial and personal steps we take, whether as landlords looking to protect their property or as tenants trying to establish their home. The rental market in our country is subject to complex and constantly evolving regulation, where a lack of information can translate into serious financial and legal conflicts. To avoid surprises, it is essential to know which clauses are mandatory, which are recommended, and which are null and void under current legislation. In this guide prepared by the legal team at AbogadoAI, we analyze in detail everything a secure, bulletproof rental contract must contain in compliance with Spanish law.

To draft or sign a rental contract with total legal certainty, it is essential to know the rules of the game. In Spain, freedom of contract between the parties exists, but it is heavily limited by mandatory laws.

The reigning regulation is the _Ley 29/1994, de Arrendamientos Urbanos_ (LAU) (Urban Leasing Act). This law provides special protection to the tenant (arrendatario), considering them the more vulnerable party in the contractual relationship. Article 6 of the LAU is clear on this matter: any clauses that modify the rules of the law to the detriment of the tenant will be null and void, and deemed as not written, unless the regulation itself expressly authorizes it.

In addition to the LAU, we must take into account:

Essential Clauses That Must Appear in Your Contract

A contract for a primary residence (vivienda habitual) must be drawn up in writing and contain, at a minimum, the following detailed clauses to prevent the document from being ambiguous or incomplete.

1. Identification of the Parties and the Property

The full name, DNI/NIE (Spanish tax identification numbers), and contact address of both the landlord (arrendador) and the tenant (arrendatario) must be stated. If there are multiple tenants, it is vital to specify whether they are liable on a joint and several (solidaria) basis (each is responsible for 100% of the obligations and the rent) or a joint (mancomunada) basis (each is responsible only for their proportional share).

Likewise, the property must be identified with its exact address and, very importantly, its cadastral reference (referencia catastral) and registration details in the Registro de la Propiedad (Property Registry).

The duration of the contract is freely agreed upon, but the LAU establishes a minimum protection period for the tenant. According to Article 9 of the LAU:

Once this period (5 or 7 years) has elapsed, if neither party notifies the other of their intention not to renew (with 4 months' notice from the landlord and 2 months' notice from the tenant), the contract enters a "tacit renewal" (prórroga tácita) for annual periods up to a maximum of 3 more years (according to Article 10 of the LAU).

3. Rent and Rent Reviews (Housing Law Limits)

The contract must clearly state the monthly rent amount and the method of payment (usually a bank transfer within the first 7 days of each month).

Rent reviews are no longer completely unrestricted. With the entry into force of the Ley 12/2023 por el derecho a la vivienda, annual rent updates are decoupled from the IPC (Consumer Price Index) and subject to strict limits:

Article 36 of the LAU establishes that it is mandatory to request and provide a cash security deposit (fianza) equivalent to 1 month's rent for residential leases (and 2 months' rent for uses other than residential, such as commercial premises or seasonal rentals). This fianza must be deposited by the landlord in the corresponding regional administrative body (for example, IVIMA in Madrid or INCASÒL in Catalonia).

In addition to the legal fianza, the parties can agree on additional guarantees (such as a bank guarantee or an additional deposit). However, the law limits this additional guarantee to a maximum of 2 months' rent in contracts of up to 5 or 7 years in duration.

5. Division of Expenses and Utilities

It is essential to detail who pays for each service to avoid disputes:

Practical Examples with Real Figures

To better understand how these rules apply in daily life, let us analyze two common scenarios in the Spanish real estate market:

Example 1: María's Rental (Individual Landlord)

María rents an apartment in Valencia owned by Carlos (an individual) for a monthly rent of 1,000 €.

John, a foreign citizen moving to Barcelona, rents an apartment owned by a property holding company for 1,500 € per month.

Step-by-Step Practical Steps to Formalize the Rental

For the contract to have full validity and for both parties to be protected against third parties and the Tax Agency, these steps should be followed:

``` [Step 1: Drafting & Signing] ➔ [Step 2: Photo Inventory] ➔ [Step 3: Depositing the Fianza] ➔ [Step 4: Utility Transfer] ➔ [Step 5: Contract Registration (Optional)] ```

  1. Drafting and signing the contract: Every single page of the contract must be signed in duplicate (one copy for each party). It is recommended to use a digital signature with a valid certificate if not done in person.
  2. Preparing a detailed inventory: Attach an inventory with photos of the state of the property, appliances, and furniture to the contract. This will prevent disputes at the end of the contract regarding the return of the fianza.
  3. *Depositing the fianza in the regional body: The landlord has a set period (generally 30 days from signing, depending on the Autonomous Community) to deposit the one-month fianza*. Failure to do so carries significant fines and surcharges, and prevents the tenant from claiming rental tax deductions on their tax return.
  4. Changing utility ownership: It is advisable to change the holder (titular) of the electricity, water, and gas contracts to the tenant's name, rather than keeping the landlord as the holder and simply changing the direct debit details. This exempts the landlord from liability in case of unpaid bills.
  5. *Settling the Impuesto de Transmisiones Patrimoniales (ITP) (Property Transfer Tax): Renting a property for residential use is subject to ITP, although in the vast majority of Autonomous Communities, it is exempt from payment for the tenant. Nevertheless, it is mandatory to submit the corresponding self-assessment form (modelo*) at zero cost.

Mistakes to Avoid When Drafting or Signing

Frequently Asked Questions (FAQ)

Can the landlord reclaim the property before the 5 years to live in it?

Yes, but under very strict conditions. According to Article 9.3 of the LAU, the landlord can recover the property after the first year of the contract if they need to use it as a permanent home for themselves, for first-degree relatives by blood or adoption, or for their spouse in the event of a final divorce or separation ruling. For this to be possible, this clause must have been expressly stated in the rental contract at the time of signing, and the tenant must be notified at least 2 months in advance.

What happens if the landlord sells the rented property?

The buyer of a rented property is subrogated to the rights and obligations of the landlord during the first 5 years of the contract's term (or 7 years if the seller was a legal entity), regardless of whether the rental contract is registered in the Property Registry. The tenant has the right to remain in the property until the minimum legal term is met.

Who has to pay for boiler or appliance breakdowns?

If the boiler breaks down due to age or the end of its useful life, the repair or replacement is paid for by the landlord, as it is an essential element for the habitability of the home (heating and hot water). If the breakdown is due to obvious misuse by the tenant, or if it is a minor repair (for example, changing a basic wear-and-tear part costing 50 €), the bill must be paid by the tenant.

Can the landlord demand several months' rent in advance?

No. Article 17.2 of the LAU expressly prohibits the landlord from demanding the advance payment of more than 1 month's rent. Any agreement forcing the tenant to pay, for example, three or six months' rent in advance to move in is null and void for violating urban leasing legislation.

In Summary

General legal information, not personalised legal advice. For your specific situation, ask your question for free at AbogadoAI — answers grounded in Spanish law (BOE), in English.

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This is general information, not legal advice. Verify on the BOE or consult a lawyer for your specific case.