In recent years many property owners ask the same question when they have a property rented out: can I increase the rent according to the CPI, and how much is legally allowed? The answer depends on several factors, such as the signed contract and the regulations in force at any given time.

This topic is particularly relevant in areas with strong property demand such as Torrevieja, Orihuela Costa, Pilar de la Horadada or the Mar Menor, where many owners purchase properties as rental investments. Understanding how rent updates work helps avoid mistakes and maintain the profitability of the property.

What CPI is and why it affects rent

The CPI (Consumer Price Index) is the indicator that measures how prices evolve in Spain. It reflects whether the cost of living rises or falls and, for many years, it has been used as a reference to update rental prices. When a contract includes an update clause, the landlord can review the rent once a year according to the CPI. This allows the rent to adjust to the general increase in prices without renegotiating the contract.

For example, if the rent is €800 per month and the annual CPI increases by 3%, the rent could rise to around €824. However, this is only possible if the contract allows it and if current regulations do not impose limits.

What has changed with recent housing laws

In recent years inflation has been particularly high. To prevent excessive rent increases, the Spanish government introduced temporary limits on rent updates. This means that even if the CPI indicates a higher increase, the law may set a maximum percentage that landlords can apply. Therefore, the full CPI cannot always be applied and it is important to check the legal limit at any given time.

These measures have significantly changed how rents are updated in Spain and have created uncertainty for both landlords and tenants.

When a landlord can increase the rent

A common question among property owners is whether they can increase the rent whenever they want. The reality is that they cannot. Rent updates can only take place once per year, on the anniversary of the contract signing. In addition, the contract must include a clause allowing this update.

If the contract does not mention rent updates, the rent remains the same throughout the duration of the contract. In that case, the price can only change when a new rental contract is signed.

What happens when the rental contract ends

When a rental contract ends, the situation changes. If both parties sign a new contract, the rental price can be renegotiated based on the current market. This often happens in areas with high demand such as the Mediterranean coast. In municipalities like Torrevieja or Pilar de la Horadada, growing demand means that new rental contracts adjust faster to real market prices.

For this reason, many property owners review the profitability of their property when a contract ends.

What property owners in Costa Blanca and Mar Menor should consider

The real estate market in this area has a clear characteristic: strong demand from both national and international buyers. Many homes are purchased as rental investments, especially for long-term stays. When inflation rises, the costs associated with owning a property also increase, such as community fees, maintenance or taxes. For this reason, rent updates are an important factor in maintaining investment profitability.

At the same time, it is essential to respect the contract and current regulations to avoid legal problems.

Advice for property owners and investors

Rental legislation in Spain has changed significantly in recent years, so it is normal for owners to have questions. Many landlords are unsure when they can increase rent, how much they can update it, or what happens when a contract ends. At Munfort we work with property owners and investors in areas such as Torrevieja, Orihuela Costa, Pilar de la Horadada, San Pedro del Pinatar and Los Alcázares, analysing each property to understand its market position.

Sometimes the best decision is to keep the property rented, while in other cases it may be necessary to update the strategy or even consider selling the property. The key is making decisions based on the current market and legal regulations.