Consumer rights

Phone Contracts in Spain: How to Cancel and Annul Them

By the AbogadoAI editorial team · Updated 18 July 2026 · 12 min read

🇪🇸 Read the original in Spanish

Who hasn't received a call during their siesta (afternoon nap) offering an "unbeatable" deal on phone, electricity, or gas services? In the heat of the moment, or simply to end the conversation, it is easy to say that "yes" which companies record as a binding contract. However, Spanish legislation firmly protects citizens against these aggressive commercial practices, granting very powerful legal tools to reverse these unwanted commitments. If you have been the victim of fraudulent or confusing telephone marketing, or if you simply regret your decision, this article explains in detail—and based on the Boletín Oficial del Estado (Official State Gazette, or BOE)—how you can annul it without any penalty.

Distance selling, and specifically telephone contracting, is strictly regulated in Spain to prevent consumer vulnerability. The key regulation governing these transactions is Real Decreto Legislativo 1/2007, de 16 de noviembre, por el que se aprueba el texto refundido de la Ley General para la Defensa de los Consumidores y Usuarios (Royal Legislative Decree 1/2007, of 16 November, approving the revised text of the General Law for the Defence of Consumers and Users, hereinafter LGDCU), along with Ley 34/2002, de 11 de julio, de Servicios de la Sociedad de la Información y de Comercio Electrónico (Law 34/2002, of 11 July, on Information Society Services and Electronic Commerce, or LSSI).

There are three fundamental legal pillars that protect you and that you should know:

1. The Written Confirmation Requirement (Art. 98.6 of the LGDCU)

This is the consumer's strongest shield. According to Article 98.6 of the LGDCU, in telephone contracts initiated by the business, the consumer will only be bound once they have signed the contract or sent their agreement in writing, whether on paper, via email, a confirmation SMS, or a digital signature.

In other words, if a company calls you, reads out a long list of terms and conditions, and you say "yes" on the voice recording, that contract is not valid if you have not subsequently signed or confirmed in writing (or on a durable medium) the offer that they are legally required to send you. If they start charging you without that written confirmation, the contract is null and void.

2. The Right of Withdrawal (Art. 102 of the LGDCU)

The derecho de desistimiento (right of withdrawal) is the consumer's right to cancel a concluded contract without needing to justify their decision and without any penalty whatsoever.

If you have been actively deceived (for example, by being assured that your current rate was going to increase by 50% to force you to switch companies—a practice known as "the double-call scam"), the contract is void due to dolo (fraud/deceit) or error en el consentimiento (mistake in consent), in accordance with Articles 1265 and 1269 of the Código Civil (Civil Code). No one can be bound by a contract based on deception.

The Right of Withdrawal: Deadlines and Financial Conditions

When you decide to cancel a telephone contract within the legal deadline, you do not have to give explanations, but you must know how the finances work so that you are not charged undue costs.

Practical Examples of Annulment and Costs

To better understand how these rules apply, let's look at two common situations with real figures.

Example 1: Carlos's Telecoms Contract

Carlos receives a call from a teleoperator on 1 October. He is offered fiber optic and mobile services for €60 per month, with a 12-month permanencia associated with a "free installation" valued at €150. Carlos accepts over the phone. The technician comes to his house and installs the fiber on 3 October. On 10 October (9 days after the call), Carlos realizes that the speed is not as promised and decides to cancel the contract.

Example 2: Elena's Gas Provider Switch

Elena is a pensioner and receives a call telling her that there is a "security incident" with her gas tariff and that she must switch providers immediately to avoid a disconnection. Scared, she accepts the switch over the phone. The contract stipulates a flat rate of €120 per month. After 20 days, her son discovers the deception. The company never sent Elena the contract in writing or the withdrawal document.

Step-by-Step Guide to Cancelling a Phone Contract

If you find yourself in this situation, act quickly and methodically. Follow these steps to ensure that the cancellation is effective and legally recorded.

Step 1: Locate the Date of Contracting

Check your call log, SMS, or emails to determine the exact day you gave your consent over the phone. Calculate the 14 calendar days to see if you are within the ordinary withdrawal period.

Step 2: Draft the Withdrawal Document

It is not enough to make a phone call to cancel (words are blown away by the wind, and companies' recordings often get "lost"). You must draft a simple document containing:

Step 3: Send the Communication via a Verifiable Method

You must send this document in a way that provides proof of receipt and of the content sent. The best options are:

  1. Burofax with acknowledgement of receipt and certification of text: This is the gold standard of proof in any court or claim, although it costs about €25-30 at the Correos (post office).
  2. Email with read receipt or digital certified email: Many companies have a specific email address for withdrawals (check their website).
  3. Web withdrawal form: If the company offers one on its website, fill it out and make sure to take a screenshot of the submission and download the PDF receipt they must generate for you.

Step 4: Return the Equipment (If Applicable)

If they sent you a router, a TV decoder, a mobile phone, or any other physical device, you have a period of 14 calendar days from the date you communicate your withdrawal to return them. Request return instructions. Remember that, unless the company has offered to collect them for free, you only have to bear the direct cost of returning them (postage), provided they informed you of this beforehand.

Step 5: Monitor Your Bank Accounts

Keep an eye on your bank statements over the following weeks. If the company makes an unauthorized charge after you have exercised your withdrawal, go to your bank and order a chargeback (devolución del recibo). You have up to 8 weeks to return authorized direct debits and up to 13 months for unauthorized charges.

Mistakes You Must Avoid

When trying to cancel a telephone contract, consumers often make certain mistakes that complicate the resolution of the conflict. Avoid falling into these traps:

Frequently Asked Questions (FAQ)

What happens if they have already started providing the service? Can I still withdraw?

Yes, of course. The start of the service provision (for example, if you already have a phone line or electricity at home) does not cancel your right of withdrawal within the 14 days. However, as mentioned, the company will have the right to charge you the proportional part of the service you have actually consumed up to the day you notified them of your withdrawal.

They tell me I have to pay 150 euros for the installation to be able to leave, is this legal?

No, not if you are within the 14 days of withdrawal. The law prohibits penalizing consumers for exercising this right. The "installation fee permanencia" is only applicable if you decide to cancel after the 14-day withdrawal period has expired. If you are within the deadline, the cost of installation is borne by the company as a business risk.

Does the right of withdrawal apply if I am self-employed or a company?

The LGDCU mainly protects final consumers (natural persons acting for purposes outside their trade, business, craft, or profession). If you contracted the phone line or electricity under your company's name or as an autónomo (self-employed worker) for your business, you are not covered by the 14-day right of withdrawal of consumer law, and you will have to be guided by the general conditions of the contract and the Código de Comercio (Commercial Code).

What can I do if the company refuses to process my withdrawal?

If you have sent the withdrawal in due time and form (for example, by burofax) and the company ignores you, continues to charge you, or threatens you with penalties, you should file a formal complaint with the Oficina Municipal de Información al Consumidor (Municipal Consumer Information Office, or OMIC) of your local town hall or with the Oficina de Atención al Usuario de Telecomunicaciones (Telecom Users Customer Service Office, if it is a telephone or internet issue). You can also initiate a Arbitraje de Consumo (Consumer Arbitration) procedure, which is free and binding for participating companies.

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.

Have a specific legal question?

Ask AbogadoAI and get an answer based on Spanish law (BOE), with sources — in English.

Ask for free

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