Costs of Buying Property in Castelldefels or Gavà Mar: Taxes and Fees

When you look at property prices online, the price you see is not the final amount you will pay.

If you are buying a home in Castelldefels, Gavà Mar or near Barcelona, you need to add taxes and purchase costs. In Catalonia, these costs can make a real difference to your budget.

As a general rule, buyers should prepare around 10% to 15% extra on top of the purchase price. The exact amount depends on the type of property, the price, the tax rules and whether you buy with a mortgage.

This is why it is important to understand the full cost before making an offer.

The real price of buying a property

Imagine you find the perfect home in Castelldefels or Gavà Mar. The location is right. The size works. The price feels possible.

But before you reserve it, you should ask one simple question.

Is this the full cost?

Usually, it is not.

The asking price does not include purchase tax, notary costs, land registry fees, legal fees or mortgage-related costs. These are paid separately by the buyer.

This matters because reservation deposits are often not refundable. If you later discover that the full cost is higher than expected, you may lose money or be forced to make a rushed decision.

The safest approach is to calculate the full purchase budget before signing anything.

New-build or resale property?

The taxes are different depending on whether you buy a new-build property or a resale property.

A new-build property is usually bought directly from a developer. A resale property is bought from a private owner or a previous buyer.

This difference is important because new-build homes are taxed with VAT and AJD, while resale homes are taxed with ITP.

In Castelldefels and Gavà Mar, both types exist, but many buyers are looking at resale apartments, villas and family homes. For these properties, ITP is usually the main tax.

Buying a resale property in Catalonia: ITP

If you buy a resale home in Catalonia, you normally pay ITP, which is the Property Transfer Tax.

From 27 June 2025, Catalonia applies progressive ITP rates for property purchases. The general rates are:

For the first €600,000, the rate is 10%.

From €600,000 to €900,000, the rate is 11%.

From €900,000 to €1,500,000, the rate is 12%.

Above €1,500,000, the rate is 13%.

This is especially important in Castelldefels and Gavà Mar, where many homes are priced above €600,000. A buyer looking at a villa, a large apartment near the beach or a family home in a premium area should not assume a simple 10% tax. The final ITP may be higher because of the progressive brackets.

Example: resale property for €800,000

If you buy a resale property in Catalonia for €800,000, the ITP is calculated in brackets.

The first €600,000 is taxed at 10%, which gives €60,000.

The remaining €200,000 is taxed at 11%, which gives €22,000.

The total ITP would be €82,000.

This is why the full budget matters. The real cost is not €800,000. It is already €882,000 before notary, registry, legal and other costs.

Reduced ITP rates in Catalonia

Catalonia also has reduced ITP rates in some cases.

For example, buyers under 35 years old may be able to benefit from a reduced 5% ITP rate when buying their main residence, if they meet the income and legal conditions. Other reductions may apply in specific cases, such as large families or buyers with disabilities.

These reductions are not automatic. They must be checked before signing.

For many foreign buyers, the standard rates will apply. But if you are relocating to Catalonia and plan to make the property your main home, it is worth checking whether any reduced rate may be available.

Buying a new-build property in Catalonia: VAT and AJD

If you buy a new-build home from a developer, you do not pay ITP.

Instead, you pay VAT, called IVA in Spain, and AJD, which is stamp duty.

For residential new-build property, VAT is usually 10% of the purchase price. In Catalonia, AJD is generally 1.5% for new-build purchases. This means the tax cost for a new-build home is usually around 11.5% before other expenses.

For commercial property, VAT may be 21%, so this should always be checked before buying.

Example: new-build property for €800,000

If you buy a new-build home in Catalonia for €800,000, the VAT at 10% would be €80,000.

AJD at 1.5% would be €12,000.

The total tax cost would be €92,000.

This means the property would cost €892,000 before notary, registry, legal and other costs.

Notary fees

The purchase deed must be signed before a Spanish notary.

Notary fees depend on the price of the property, the length of the deed, the number of parties and the documents involved. In many cases, the buyer pays for the authorised copies of the deed and related notarial costs.

For budgeting, buyers often estimate notary costs at around 0.2% to 0.5% of the purchase price, although the exact amount can vary.

Land Registry fees

After signing the purchase deed and paying the taxes, the property must be registered in your name at the Land Registry.

This step is important because it protects your ownership.

Registry fees are usually lower than taxes but should still be included in the budget. A practical estimate is often around 0.1% to 0.25% of the purchase price, depending on the property and registration details.

Legal fees

If you are buying in Spain as a foreigner, legal support is strongly recommended.

A lawyer can check the property, review the contracts, confirm the tax position, check debts or charges, coordinate with the notary and protect your interests before you sign.

This is especially important if you do not speak Spanish or Catalan, or if you are buying from abroad.

Legal fees vary. Some lawyers charge a fixed fee. Others charge a percentage of the purchase price. The most important point is not only the cost, but what is included in the service.

Estate agent commission

In many property sales in Spain, the estate agent is paid by the seller. This is common when the seller has instructed the agency to market the property.

However, this should always be confirmed. Some situations can be different, especially if the buyer hires a property finder or buyer’s agent.

If you work with us as your local relocation team, we explain clearly from the start how the service is structured and what costs apply.

Mortgage-related costs

If you buy with a mortgage, you should also budget for mortgage-related expenses.

The buyer usually pays for the property valuation required by the bank. There may also be bank costs, depending on the mortgage offer and conditions.

For non-resident buyers, Spanish banks often finance a lower percentage than for residents. In many cases, non-residents should expect financing around 60% to 70% of the property value.

This means your cash contribution must cover not only the deposit, but also taxes and purchase costs.

Bank transfers and currency exchange

If your funds are outside Spain, remember to check transfer and currency exchange costs.

This is easy to forget, but it can affect the final budget, especially if you are transferring large amounts from the UK, the US, Switzerland, Poland or another non-euro country.

Using the wrong transfer method can cost more than expected. It is worth planning this before completion.

Utility changes after purchase

After completion, the utilities need to be changed into your name. This may include electricity, water, gas, internet, community fees and local taxes.

Sometimes this is simple. Sometimes there are old contracts, unpaid bills or technical issues that need to be solved.

For foreign owners, this is one of the areas where local support helps. It saves time and avoids problems after the keys are handed over.

What should you budget in Castelldefels and Gavà Mar?

For most buyers, a safe starting point is to prepare around 12% to 15% on top of the purchase price.

For lower-value resale homes, the total may be closer to the lower end.

For higher-value resale homes in Castelldefels or Gavà Mar, the total may be higher because Catalonia now applies progressive ITP rates above €600,000.

For new-build homes, taxes alone are usually around 11.5%, before other costs.

The best approach is to calculate the full cost for each property before making an offer.

How we help buyers

We help international buyers understand the real cost before they commit.

If you are buying in Castelldefels, Gavà Mar or the Barcelona coastal area, we can help you compare properties, estimate purchase costs and coordinate the right professionals.

Our role is to make the process clear. You should know what you are buying, what it will cost and what steps come next.

After the purchase, we can also help with relocation and property management, especially if you live abroad or use the property only part of the year.

Planning to buy property in Castelldefels or Gavà Mar?

Contact us and tell us what you are looking for. We will help you understand the local market, calculate the real cost and find the right home in Castelldefels, Gavà Mar or near Barcelona.