Fixed, Variable, or Mixed Mortgage: Everything You Need to Know

June 30, 2026

The mortgage market is a complex and constantly evolving environment that requires a deep understanding to make informed decisions. When faced with the challenge of buying a home, one of the most important aspects to consider is the type of mortgage to take out. In Spain, mortgages are generally divided into three categories: fixed, variable, and mixed. Each type has its own characteristics, advantages, and disadvantages, which can significantly impact personal finances in the long term. This article aims to provide precise and easy-to-understand information on this topic, so keep reading.

¿Cuánto ganarías si inviertes desde hoy? Descúbrelo aquí.

What is a fixed-rate mortgage?

A fixed-rate mortgage is a loan where the interest rate remains constant throughout the amortization period. This means that monthly payments will not vary, offering the borrower peace of mind knowing exactly how much they will have to pay each month. Generally, the term for these mortgages ranges from 10 to 30 years, although other periods can be found.

Fixed-rate mortgages are ideal for those who value stability and predictability in their finances, as they are not exposed to financial market fluctuations that can affect variable-rate mortgages. This type of mortgage is especially recommended during periods of low interest rates, as it allows you to secure a favorable rate for many years.

Advantages of a fixed-rate mortgage

1.    Financial stability: The main advantage of a fixed-rate mortgage is financial security. During the amortization period, monthly payments will be constant, which facilitates family budget planning.

2. Protection against interest rate hikes: If interest rates rise, the borrower will not be affected, as their rate remains unchanged. This can result in significant long-term savings.

3. Easier long-term planning: knowing exactly how much you'll pay each month makes it easier to create a financial plan and save for other goals, such as your children's education or retirement.

4. Peace of mind: for many people, uncertainty can be a source of stress. Knowing that your mortgage payment is fixed and not variable provides peace of mind and reduces financial anxiety.

A fixed-rate mortgage is perfect if you have a monthly budget and seek stability, and if you don't like taking risks; in times of high economic uncertainty, this type of mortgage can be the best option.

Disadvantages of a fixed-rate mortgage

1.    Higher interest rates: generally, fixed-rate mortgages tend to have higher interest rates than their variable counterparts. This means borrowers might pay more upfront.

2. Less flexibility: if interest rates fall in the future, fixed-rate mortgage holders won't benefit from the decrease, remaining with their higher rate.

3. Possible prepayment penalty: some fixed-rate mortgages may include clauses that penalize borrowers if they wish to pay off the mortgage early.

What is a variable-rate mortgage?

A variable mortgage, as its name suggests, is a loan whose interest rate can fluctuate over time. This type of mortgage usually has an interest rate linked to an index, such as Euribor, plus a fixed spread set by the financial institution. Interest rates are commonly reviewed every six or twelve months, which can result in changes to monthly payments.

The initial rate for variable mortgages is usually lower than for fixed-rate mortgages, which often makes them attractive to first-time buyers looking to enter the housing market with more affordable payments.

Advantages of a variable mortgage

1.    Lower interest rates: in most cases, variable mortgages start with a lower interest rate, which can result in lighter monthly payments.

2. Potential to benefit from interest rate drops: if interest rates decrease, borrowers will see a reduction in their monthly payments, which can result in significant savings.

3. Greater ease of early repayment: some variable mortgages allow for early repayment without penalizing the borrower or with lower associated costs.

Variable and mixed mortgages have decreased in Spain in recent months due to changes in the mortgage market. The interest rate for variable mortgages is entirely dependent on a reference index (usually Euribor), and although this index is falling, the last published value for July, at 3.526%, is still high.

Disadvantages of a variable mortgage

1.    Financial uncertainty: The main disadvantage of variable-rate mortgages is the lack of predictability. Monthly payments can increase significantly if interest rates rise, which can create financial strain for the borrower.

2. Risk of indebtedness: In a scenario of rising rates, monthly payments can become unaffordable, potentially leading to financial difficulties.

3. Negative impact on financial planning: The variability of payments can make it difficult to create a solid family budget and achieve other financial goals.

What is a hybrid mortgage?

Hybrid mortgages combine elements of fixed-rate and variable-rate mortgages. They have an initial fixed period during which the interest rate is stable, followed by a variable period where the rate can change. For example, a hybrid mortgage might offer a fixed rate for the first five years, after which the rate will follow Euribor plus a margin.

The hybrid option aims to offer the best of both worlds: the initial stability of fixed-rate mortgages and the potential for lower rates inherent in variable-rate mortgages in the future.

¿Cuánto ganarías si inviertes desde hoy? Descúbrelo aquí.

Advantages of a hybrid mortgage

1.    Flexibility: With a fixed period, borrowers can enjoy initial financial certainty and then benefit from potential savings during the variable period.

2. Smooth transition: mixed mortgages allow borrowers to adapt to interest rate variability after a period of stability.

3. Potential for implementation during periods of low interest rates: If a mixed mortgage is taken out during a period of low interest rates, a good rate can be secured for the duration of the fixed period.

If you plan to sell the property after five or ten years, perhaps to get a larger one or for any other reason, this type of mortgage would be ideal for you. This way, you would benefit from the cheaper fixed interest rate in the initial years, and by selling and canceling the mortgage during the variable period, you would pay less or no early repayment fees.

Disadvantages of a mixed mortgage

1.    Complexity: Mixed mortgages can be more complicated to understand than fixed or variable mortgages, which can lead to confusion about future payments.

2. Fixed-rate fallacy: Although borrowers enjoy a fixed interest rate initially, they must be prepared for the possibility of it increasing significantly during the variable phase.

3. Less predictability than a fixed mortgage: Although there is a fixed-rate period, the future can be uncertain, depending on market fluctuations.

What type of interest rate is best for a mortgage?

Choosing the most suitable interest rate for a mortgage is a decision that depends on several factors, including the time horizon contemplated for residing in the home, personal financial situation, risk appetite, and the current economic context. For those who prioritize stability, a fixed-rate mortgage may be the most convenient option, as it allows you to know your monthly payments in advance and avoid surprises in an uncertain future. In contrast, individuals with a higher risk tolerance may find the option of a variable-rate mortgage, which, although it involves uncertainty, offers the possibility of lower monthly payments. For those seeking a balance between both alternatives, a hybrid mortgage could be an effective intermediate solution, combining elements of stability and flexibility.

It is essential to evaluate your personal financial situation when taking out a mortgage and to consider market projections for mortgages, both short-term and long-term, to make an informed decision that aligns with each individual's needs and expectations.

Tips for choosing the best type of mortgage

Assess your financial situation

Before deciding, make sure to analyze your income, expenses, and other debts to determine what type of mortgage you can afford.

Learn about the mortgage market

Stay informed about market trends and interest rate conditions, as these factors can significantly influence your decision.

Consult a financial advisor

A professional can help you understand the implications of each mortgage type and offer you a clearer perspective based on your circumstances.

Analyze your long-term plans

Consider how long you plan to stay in the property and whether the variable nature of a mortgage might affect you in the future.

Compare offers

Not all mortgages are the same. Make sure to compare different offers and terms from various financial institutions, which can help you find the best conditions.

Looking to grow your savings and secure your financial future?

With Domoblock, you can invest in properties easily and securely, offering the best market options to diversify and grow your savings. A team of real estate experts will guide you through every step of the process, providing advice and tips to help you achieve your financial goals.

Start investing with Domoblock with a minimum investment of €200 and enjoy returns exceeding 10% in less than 8 months. Secure your finances and live worry-free as your wealth grows with Domoblock.

¿Cuánto ganarías si inviertes desde hoy? Descúbrelo aquí.

Conclusion 

Choosing the right mortgage type is a crucial decision that can have a lasting impact on your financial life. Fixed, variable, and mixed mortgages offer different levels of risk and benefits that should be considered based on your personal situation and the economic environment.

It is essential to make an informed decision that aligns with your financial needs and priorities. Do not underestimate the importance of research and, if necessary, seeking professional advice. Being well-informed will allow you to negotiate better and ultimately lead to a more satisfactory and less stressful mortgage experience.

Sergio Navarro

Expert in blockchain, investments, and personal finance

Share on your social media

Do you like what you're reading?

Subscribe to our Newsletter

Do you like what you're reading?

Subscribe to our newsletter!

En curso

Madrid | Tres cantos

Calera, 3

DOMO-TCA-1
Flipping building

Funded

100%

598.506,15 €

Target

598.506,15 €

Rentabilidad estimada:
14,03%
Duración estimada
8 meses
Chat with other investors and ask your questions in our Telegram group

Related articles