A property can look perfect on a viewing day and still carry expensive problems in its paperwork. Knowing how to sign an arras contract correctly is one of the most important protections available to a buyer in Spain. This private agreement reserves the home and sets the rules before completion at the notary, but it should never be treated as a simple deposit receipt.
For international buyers in Torrevieja, Orihuela Costa, Murcia, and the Costa Blanca, the arras contract is often the point at which a promising purchase becomes a firm legal commitment. Read every clause, make sure the property has been properly checked, and do not transfer money until the agreement reflects exactly what has been agreed.
What Is an Arras Contract in Spain?
An arras contract, or contrato de arras, is a private agreement between buyer and seller. The buyer usually pays a deposit, the seller takes the property off the market, and both parties commit to completing the sale by a stated date.
The most common form is an arras penitenciales agreement, generally linked to Article 1454 of the Spanish Civil Code. Under this arrangement, if the buyer withdraws without a valid contractual reason, they normally lose the deposit. If the seller withdraws, they normally return double the deposit paid.
That simple rule is why the wording matters so much. Not every document called an arras agreement has the same legal effect. A contract may instead be described as arras confirmatorias or arras penales, which can create different remedies and potential claims for damages. Ask an independent Spanish property lawyer to confirm the type of contract and the consequences before you sign.
Do the Legal Checks Before Paying a Deposit
The arras contract should follow legal due diligence, not replace it. A low price, a persuasive seller, or pressure from another interested buyer is not a reason to skip checks. Once you have signed an unconditional contract and paid a deposit, your options become much narrower.
Your lawyer should verify who owns the property through a current Land Registry extract, known as a nota simple. This check helps confirm the registered owners, the legal description of the home, and registered charges such as mortgages, embargoes, or rights of way. Every registered owner must sign the contract, or a properly authorized representative must sign on their behalf.
The property should also be checked against the Cadastre. Minor differences between Registry and Cadastre information are common, but significant discrepancies in the size, boundaries, or layout should be understood before moving forward. If a terrace has been enclosed, a garage converted, or an extension added, make sure the work is legal and reflected where necessary.
For apartments and townhouses, request written confirmation from the community administrator that community fees are paid and identify any approved or proposed extraordinary assessments. A new roof, elevator repair, façade work, or pool renovation can mean a substantial bill after you become the owner. Check annual IBI property tax, waste collection charges, utility status, and whether there are unpaid debts connected to the property.
Depending on the property, the review may also include the first occupancy license or equivalent documentation, energy certificate, rental restrictions, tourist-license history, and urban-planning status. Rural homes, older villas, and properties with additions require particularly careful review. The checks needed for a new-build apartment are different from those for a resale villa, so there is no one-size-fits-all checklist.
How to Sign an Arras Contract: The Essential Clauses
A clear arras contract identifies the parties, the property, the price, the deposit, and the deadline for signing the public deed at the notary. It should use the full legal names and passport or NIE details of the buyer and seller, and accurately describe the property using its Registry and cadastral references where appropriate.
The total purchase price must be unmistakable. State the deposit amount, how it will be paid, and that it is credited against the final price. In many Spanish resale transactions, the deposit is around 10% of the agreed purchase price, but this is a commercial negotiation, not a fixed legal rule. A smaller deposit may be sensible if there is still a short period needed to complete specific checks.
The contract should also say what is included in the sale. If you expect furniture, appliances, air-conditioning units, storage rooms, parking spaces, or a particular vehicle-access remote to remain, list them. Verbal promises are difficult to prove later. For furnished holiday homes, an inventory attached to the agreement can prevent unpleasant surprises at handover.
The completion date needs practical attention. Allow enough time for your lawyer’s review, banking arrangements, mortgage approval if relevant, document collection, and notary scheduling. A buyer paying from abroad may need extra time to arrange a Spanish bank account, obtain an NIE, prepare certified funds, or coordinate a power of attorney. A rushed deadline can put a buyer at risk of losing the deposit through no fault of their own.
Use Conditions When They Are Needed
An arras contract does not have to be unconditional. Well-drafted conditions can protect a buyer where an important issue is still outstanding. For example, completion may be conditional on satisfactory legal due diligence, mortgage approval by a defined date, the cancellation of a registered mortgage, or delivery of a required license or certificate.
The condition must be specific. Vague wording such as “subject to buyer satisfaction” can lead to arguments. A better clause identifies what must happen, who is responsible for it, the deadline, and what happens to the deposit if the condition is not met.
For example, if the seller must resolve a discrepancy in the Registry, the contract should state that the seller will do so by a particular date and that the buyer can recover the full deposit if it is not resolved. If you need financing, the contract should identify the financing condition clearly. Sellers may be less willing to accept a broad mortgage clause in a competitive market, so this is a point to negotiate rather than assume.
Pay the Deposit Safely and Keep a Clear Record
Do not hand over cash without a signed agreement and a written receipt. The payment method should be traceable and should match the contract. Bank transfer is common, while a lawyer’s client account or another agreed escrow-style arrangement may be appropriate in some circumstances.
Before sending funds, verify the account details by a trusted, separate channel. Property fraud often relies on altered emails and last-minute bank-detail changes. Never rely only on an email that appears to come from an agent, lawyer, or seller. A quick phone call to a known number can prevent a serious loss.
Keep the fully signed contract, proof of payment, correspondence about agreed inclusions, and copies of supporting documents together. These records matter if there is a disagreement before completion, and they also make the notary appointment easier to prepare.
Can You Sign Remotely From Another Country?
Yes, many international buyers sign an arras contract remotely. However, remote does not mean informal. You should receive the final bilingual or translated version you understand, confirm every page and annex, and use a signing process accepted by all parties and your legal adviser.
If you cannot attend completion at the notary, a Spanish power of attorney may allow a trusted representative to sign for you. The correct format depends on where it is granted and how it will be used in Spain. Arrange this early rather than waiting until the completion deadline is close.
A remote viewing is useful, but it is not a substitute for legal checks or, where possible, an in-person inspection. Buy and Sell in Spain can help buyers coordinate viewings and local practical support, while an independent lawyer handles the legal review and protects your contractual position.
Questions Buyers Often Ask
What happens if the seller backs out after signing?
With a properly drafted arras penitenciales contract, the seller usually returns double the deposit. The contract should state this clearly. If the agreement uses another type of arras clause, the available remedies may differ, which is why legal review is essential.
Can I get my deposit back if I change my mind?
Usually not if you signed an unconditional arras penitenciales agreement and simply decide not to proceed. You may recover it if a valid condition in the contract is not met, if the seller defaults, or if another stated cancellation right applies.
Do I need an NIE before signing an arras contract?
You may be able to sign the private contract before your NIE is issued, depending on the circumstances. You will need an NIE to complete the purchase and register the property, so begin the application process as early as possible.
Is the arras contract signed before the notary?
Normally, yes. The arras agreement is a private contract signed before the final public deed of sale, known as the escritura, is signed at the notary. The notary formalizes the deed, verifies certain legal requirements, and oversees the final transfer.
The right arras contract does not make a property purchase risk-free, but it turns assumptions into written obligations. Take the time to understand what you are committing to, and make sure the contract protects the home you want to buy, not just the sale the seller wants to close.

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