What Is a Deposit Contract and How Does It Work When Buying or Selling a House in Sotogrande
01/04/2026 by Gian Carlo Borda
A deposit contract is one of the most common documents used in the purchase and sale of a property. It is a private agreement between buyer and seller in which both parties set out in writing their commitment to complete the transaction under specific conditions, and the buyer usually pays a sum of money as a deposit on account of the final purchase price.
In practice, a deposit contract helps provide security for both parties before signing at the notary’s office. The buyer gains time to arrange financing or review documentation, while the seller can take the property off the market with more certainty than a simple verbal reservation would provide.
In a market like Sotogrande, this document becomes even more important. Not only because many transactions involve high-value properties, but also because poorly drafted terms can lead to disputes, delays, or even significant financial losses. Sotogrande Online presents itself as an agency with a long track record in the area, deep knowledge of the market, and a close relationship with both owners and buyers, which fits perfectly with content of this kind. The value here is not simply in explaining the legal theory, but in helping ensure that the transaction reaches the notary properly prepared.
What Is a Deposit Contract For
Its main purpose is to set out in writing the key terms of the sale before the public deed is signed. This means clearly defining points such as the purchase price, the identification of the property, the amount of the deposit, the deadline for signing, and the consequences if either party fails to comply.
Put simply, a deposit contract does not replace the title deed, but it does organise the transaction and reduce a great deal of uncertainty.
What Should a Deposit Contract Include
This section should be highly practical, because it is one of the areas users search for most on Google and one of the most valuable parts of the content. At the very least, a deposit contract should include the identification of the buyer and seller, the property details, the agreed price, the payment method, the amount of the deposit, the maximum deadline for signing the deed, the type of deposit contract being signed, and the signatures of both parties.
In Sotogrande, in addition to the basic points, it is also usually advisable to review these aspects especially carefully:
- whether there are any charges or limitations affecting the property
- whether the buyer requires financing and within what timeframe
- what happens if one party does not provide the documentation on time
- which goods or items are included in the sale
- whether there are any specific conditions that should be reflected before signing the deed
This final point is essential. Many transactions do not fail because of bad faith, but because details were poorly defined from the beginning.
What Types of Deposit Contract Exist
Not all deposit contracts work in the same way, and this is where most mistakes are made when drafting content. There are three main types: confirming deposits, penalty deposits, and withdrawal deposits.
Confirming Deposits
These are used to confirm the commitment to buy and sell, and the amount paid is considered an advance on the purchase price. If there is a breach, there is no free right to withdraw, but rather the general rules on contractual breach apply. They do not allow either party to cancel the contract freely, and Simarro adds that in these cases the injured party may choose to demand performance or termination together with damages and interest.
Penalty Deposits
These act as an additional guarantee of performance. If one of the parties breaches the contract, the other may keep the deposit or demand its return depending on the case, and there may also be a claim for damages according to what has been agreed. In this case, the injured party may even request performance in addition to the penalty.
Withdrawal Deposits
These are the best known and also the only type expressly regulated in the Spanish Civil Code. Article 1454 states that where a deposit or earnest money has been given, the contract may be terminated if the buyer agrees to lose the deposit or the seller agrees to return double the amount.
Many people believe that all deposit contracts allow a party to pull out simply by “paying a penalty”, but that is not the case. That only applies clearly to withdrawal deposits when that consequence has been properly defined in the contract.
Is It Mandatory to Sign a Deposit Contract?
No. A deposit contract is not mandatory, nor is it compulsory to sign it before a notary. Legally, it is valid as a private document, although using professional advice provides greater security and guarantees.
That said, the fact that it is not mandatory does not mean it should be improvised. In fact, in higher-value transactions, signing a deposit contract based on a generic template downloaded from the internet is usually a poor decision. This is where an experienced local agency can offer much more than simple commercial intermediation.
How Much Is Normally Paid as a Deposit?
There is no fixed legal amount, but the deposit usually ranges between 5% and 15% of the purchase price, with 10% being a common reference point. This amount is then deducted from the final sale price when the deed is completed.
In an area like Sotogrande, where many transactions involve substantial sums, this point should be handled carefully. A poorly structured deposit can create unnecessary tension in the negotiation or leave one of the parties insufficiently protected.
What Happens If the Mortgage Is Refused After Signing the Deposit Contract?
This is another highly searched and sensitive issue. If the deposit contract is signed and the bank later refuses the mortgage, the amount paid is not normally refunded unless the contract itself includes a clause allowing for that outcome.
This is extremely important. If the buyer depends on financing, it is not enough to assume that “it will probably work out”. That circumstance should be considered before signing and, where appropriate, clearly reflected in the contract. Failing to do so is one of the most expensive mistakes in a property transaction.
Mistakes to Avoid Before Signing a Deposit Contract
- signing without having checked charges or the Land Registry situation
- failing to specify clearly which type of deposit contract has been agreed
- not setting a realistic deadline for signing the deed
- failing to provide for what happens if financing is delayed or denied
- using a generic template without adapting it to the specific transaction
- confusing an informal reservation with a real legal commitment
How We Help You at Sotogrande Online
At Sotogrande Online, we understand that a deposit contract is not just a simple step between a viewing and the notary’s office. It is the moment when the transaction really starts to become serious.
For that reason, our role is not limited to showing a property or finding a buyer. We support you so that the transaction can move forward with greater clarity, reviewing the key points of the sale, helping to coordinate timing, resolving common doubts, and working with the local knowledge that comes from operating in Sotogrande for many years. The agency itself highlights its long-standing presence in the area, its close relationship with owners, and its deep knowledge of the local property market.
If you are thinking of buying or selling a property in Sotogrande and want to do so with more security from the very first document, you can contact our team to discuss your case. The Sotogrande Online website offers direct assistance from its office in Galerías Paniagua, in Sotogrande, and includes a contact form for enquiries.
Can a Deposit Contract Be Signed Without a Notary?
Yes, although professional advice provides greater security.
Is the Deposit Refunded If the Buyer Pulls Out?
It depends on the type of deposit contract and what has been agreed. In withdrawal deposits, the buyer loses it.
What Happens If the Seller No Longer Wants to Continue With the Sale?
In withdrawal deposits, the seller must return double the deposit.
What Happens If the Bank Does Not Grant the Mortgage?
Unless there is a specific clause, the buyer may lose the deposit.