Building permits for a Spanish renovation project: the permit risk in figures

The building permit for a Spanish renovation project is the item most frequently left out of the budget and most often the factor that dictates the schedule. The cost of the permit itself is limited. The time the procedure takes is not. And for a project where capital is tied up, time is the most expensive variable there is.

This page explains the three types of permits in Spain, the associated lead times and costs, why a lack of a decision in Spain does not mean approval, and what delays actually do to the final result. All amounts, timeframes, and percentages mentioned are indicative. Past results offer no guarantee for the future.

The three types of building permits in Spain

Spain has three routes for renovations. Which one applies depends on the nature of the work, not the size of the budget.

Licencia de obra mayor

This major permit is required as soon as there is any intervention in the structure, facade, volume, or use of the property. It requires a technical project, prepared and signed by an architect and approved by the professional association. For high-end renovations, this is almost always the required route.

The lead time is indicatively between one and six months, depending on the municipality and the completeness of the file. This is the range that a project schedule should account for.

Licencia de obra menor

For work that does not affect the structure or the facade, a minor permit is sufficient. Think of replacing installations, plumbing, or finishes within the existing layout. The lead time is indicatively between fifteen and forty-five days.

Declaración responsable

Andalusia has simplified the procedure for minor work. With a declaración responsable, you declare the work under your own responsibility and can, in principle, start immediately, after which the municipality performs a retrospective check. It is the fastest route, but also the one with the greatest risk if misjudged, because an incorrectly submitted declaration makes the work illegal after the fact.

What a permit costs

Costs consist of two municipal levies and the fees for technical parties. All three are calculated based on the estimated construction costs, the presupuesto de ejecución material.

• ICIO, the tax on construction and installations, indicatively 2 to 4 percent of the estimated execution costs
• Tasa urbanística, the municipal fees. Indicatively 50 to 400 euros for minor work and 200 to 1,500 euros for major work, highly dependent on the municipality
• Technical fees for the project file, site management, and the safety plan

On a renovation budget of 250,000 euros, the ICIO therefore amounts to an indicative 5,000 to 10,000 euros. That is not an item that makes or breaks a project, but it should be in the budget. If it is missing, it is a signal regarding the quality of the rest of the budget. How to assess a budget on these types of points is covered in the article on due diligence for a Spanish real estate project.

In a number of municipalities, discounts on the ICIO apply to work with demonstrable energy improvements. These discounts range indicatively from 50 to 95 percent and are determined per municipality. They are worth inquiring about, but they are never a given.

A lack of a decision is not approval in Spain

This is the point where international investors most often make a wrong assumption. In many countries, there is a mechanism where a permit is granted by default if the government fails to decide in time. That is not how it works with Spanish building permits.

For urban planning permits in Spain, the principle of negative silence applies. If the municipality does not decide within the timeframe, the application is considered rejected. Therefore, no right to start work is created. Anyone who brings in the sledgehammer based on silence is building without a permit.

The consequences range from a fine and a legalization process to, in the case of work that cannot be legalized, restoration to the original state. In all cases, it costs time, and time is the expensive variable in this type of project.

The permits that only come into play at the end

A renovation project does not end with the final brick. Two more documents are required for the sale, and they are frequently forgotten in the planning process.

The first is the certificado final de obra, the declaration from the technical management that the work has been carried out in accordance with the approved project. The second is the licencia de primera ocupación or, in Andalusia, the corresponding declaración responsable de ocupación. Without this document, utility connections cannot be finalized, and a serious buyer will pull out in the final phase.

Count on a period of several weeks to several months between completion and the moment the property is ready for sale. That period should be included in the project duration, not excluded. What happens if the sale is delayed even further is covered in the article on exit scenarios for a Spanish renovation project.

Special situations that extend the timeline

Three circumstances structurally extend the procedure. All three can be identified in advance.

• Location within the coastal zone. If the plot falls within the protection zone of the Spanish Coastal Law, approval from a higher authority is required in addition to the municipal permit
• Protected heritage or protected cityscape. In this case, an assessment by the cultural department is added, which has its own timeline
• Deviation from the zoning plan. If the use or volume changes compared to what is permitted, the issue shifts from a permit to a planning procedure with a significantly longer lead time

Each of these three can be checked in advance using an extract or a municipal information request. This is done in the same phase as verifying the ownership status, as described in the article on mortgage security in Spain.

The impact of delays on returns

A permit that arrives three months later than planned shifts the entire chain. Construction starts later, completion is delayed, and the sales moment is pushed back accordingly. The example below illustrates what this means. The amounts are indicative and do not constitute a prediction.

Suppose you invest 250,000 euros in a project with a planned duration of eighteen months. In the base scenario, the project result on your investment comes to 40,000 euros. Over eighteen months, that is an indicative return of around 11 percent on an annual basis.

Now for the alternative scenario. The permit takes four months longer than estimated. The duration becomes twenty-two months, and fixed costs continue to accrue. Count on an indicative 2,000 euros per month for community costs, insurance, IBI, and management for the project as a whole, of which a quarter is attributable to your investment. Your result drops to approximately 38,000 euros over twenty-two months, an indicative return of around 8 percent on an annual basis.

The absolute amount barely decreases, while the annual return drops by more than a quarter. This is precisely why the permit status is not just an administrative detail. How this calculation works in a broader sense is explained in the article on returns on Spanish real estate.

What to document before you commit

Four agreements should be in writing before capital is deposited. All four concern the question of who bears the permit risk.

• Whether the permit has been issued, has been applied for, or still needs to be submitted at the time of entry
• What happens to the deposit if the permit is refused, including whether the capital is refunded
• What the deadline is for obtaining the permit and what the consequences are for exceeding it
• Who bears the costs of any legalization process or an adjusted project file

These points belong in the agreement itself, not in the accompanying presentation. Which other provisions belong there is covered in the article on the investment agreement for a Spanish real estate project.

Common mistakes

Five mistakes consistently recur among investors assessing permit risk for the first time.

• Assuming a permit has been issued because an application has been submitted
• Assuming that silence from the municipality means consent, while the opposite is true
• Not finding the ICIO and the municipal fees in the budget and not asking questions about them
• Excluding the period between completion and being ready for sale from the duration
• Failing to record what happens to the investment if the permit is refused

Frequently asked questions

These are the questions that arise most frequently whenever the permit status of a project is discussed.

Can I check for myself whether a permit has been issued?

Yes. Municipalities provide information upon request regarding the urban planning status of a plot and any issued permits. Furthermore, ask for the issued decision itself, including the date and file number, rather than just an email confirmation.

How long is an issued permit valid?

Permits have a timeframe within which work must commence and a timeframe within which it must be completed. These periods are determined by the municipality, and extensions are generally possible, provided they are requested in a timely manner.

What happens if a previous owner built without a permit?

Then the question arises as to whether the work can be legalized. In Andalusia, there is a regulation that allows older structures to be recognized outside the standard procedure. Such situations are identified during the property due diligence and should be assessed before purchase.

Who is liable for building without the correct permit?

The owner of the property, i.e., the project company, is the primary point of contact. For you as a capital provider, this affects the value of your position. How the structure of such a company works is explained in the article on investing via a Spanish S.L..

Does a more expensive architect speed up the procedure?

Not the procedure itself, but it does improve the quality of the file. Most delays are caused by follow-up questions from the municipality regarding an incomplete project submission. A complete file upon initial submission is the only factor the applicant can truly influence.

What if the municipality imposes additional requirements during construction?

This occurs in the event of deviations from the approved project. This leads to an adjustment of the file, which incurs time and fees. Establish in advance who will bear these costs.

Next steps

Assess the permit status of a project in this order. First, ask which of the three routes applies, then whether the decision is in place, then whether the plot falls within a coastal or protected zone, then what has been budgeted for ICIO and fees, and only then what the schedule says. A schedule that does not align with the permit route is a schedule without a foundation.

Would you like to see how the permit status is defined in a concrete project proposal, including timelines and the consequences of delays? Schedule a personal appointment.

This article is general in nature. Past results and market developments offer no guarantee for the future.