The tax's full name, which in English reads "tax on the increase in value of urban land", states its own limit. If the land has not increased in value, the taxable event does not take place and there is nothing to pay. It sounds obvious, and yet it is the reason more money has been overpaid on this tax than any other for years, because non-taxability does not work by itself: it has to be declared and it has to be proved.
The rule, as it is written
The Local Government Finance Act provides that there is no liability to the tax on transfers of land where it is shown that there has been no increase in value, measured by the difference between the values of that land on the dates of transfer and acquisition. To show this, the person concerned must declare the transfer and provide the title deeds documenting the transfer and the acquisition.
A transaction not being taxable means that the obligation to pay never arises, not that the obligation to report it disappears. The town hall does not know you sold at a loss until you tell it, with the deeds in your hand. Anyone who does not declare runs the risk of being assessed under the objective method and having to argue about it afterwards, with the deadlines already against them.
How it is proved: the two title deeds
The values stated in the acquisition and transfer deeds are compared, taking the higher of the value declared and the value verified by the administration, where there was one. And there is a nuance that decides many cases: the comparison is of the land, but the law settles the proof with the total values in the deeds, without requiring the land to be split out for this purpose.
| How it was acquired | Acquisition value used |
|---|---|
| Purchase | The price stated in the purchase deed (escritura) |
| Inheritance | The value declared for Inheritance Tax, or the one verified by the administration if it was higher |
| Gift | The value declared for Gift Tax, under the same rule |
| New build on your own plot | What is compared is the land: the value of the plot when it was acquired against the value of the land at the transfer |
The inheritance row is the one with the most consequences, in both directions. A low value declared for Inheritance Tax saves money at the time and makes the plusvalía and the income tax dearer when the property is sold; a high declared value does the opposite. It is one of those decisions that can only be seen in full when the three taxes are looked at together, and it is developed in the guide on valuing assets in an inheritance.
The question of costs
It is the most common doubt in this whole area: can I add the transfer tax (ITP), the notary or the estate agent's commission to the acquisition value, so that the comparison comes out in my favour?
The answer, with the text of the law in front of you, is no. The law requires the values stated in the deeds to be taken, without counting the costs or taxes charged on those transactions. It is not a narrow reading by the town halls: it is in the provision itself. There were court rulings from before the 2021 reform that allowed the acquisition value to be updated or adjusted, and some people still rely on them; it is an argument that can be raised in a specific case, but it has to be raised knowing that it runs against the current wording and that the result is not assured. What we would never do is present that route as though it were the normal path.
For the capital gain under the Spanish personal income tax (IRPF), the costs and taxes of the purchase do add to the acquisition value and those of the sale do come off the transfer value. In the plusvalía municipal, they do not. They are two taxes with two different rules on the same transaction, and applying one's rule to the other is the mistake we have seen most often in self-assessments made in good faith.
Other situations in which nothing is paid
| Situation | Why |
|---|---|
| Rural land | The tax falls on urban land. Rural land is outside it, and what decides is the classification for the purposes of the IBI (the annual municipal property tax) |
| Contributions of assets and rights to the marital community of property | The law expressly declares them not taxable, as it does for allocations and transfers between spouses in compliance with judgments of annulment, separation or divorce |
| Handing over the mortgaged main home in payment of the debt | The law provides an exemption for these transfers and for mortgage foreclosures, subject to the requirements it sets itself |
| Certain business restructuring operations | They have their own regime, which has to be checked operation by operation |
| Transfers made by exempt parties | The law lists bodies with a personal exemption, such as the State, the regions and local authorities, among others |
One clarification, because the opposite is often said: selling before a year has passed does not escape the plusvalía. Since Royal Decree-law 26/2021 the objective method also has a coefficient for periods of under a year, prorated by complete months.
Each of those rows has its own requirements, and none applies by itself. All of them require whatever is relevant to be declared and proved to the town hall.
When there is an increase, but a small one
Non-taxability requires there to be no increase. If there is one, however modest, the tax falls due, but that does not mean paying whatever the objective method produces: the right to have the base worked out under the actual-gain method, when that is lower, comes into play. It is the most common situation on sales after only a few years and on inherited properties that have barely risen, and it is explained with figures in the guide on the two methods.
The correct sequence, then, is this:
- First, check whether there was an increase by comparing the two deeds. If there was not, declare the non-taxability with the deeds.
- If there was, calculate both bases and apply the lower one.
- In both cases, declare to the town hall within its deadline, which is its own and does not match any national tax campaign.
What town halls say
How this works in practice varies greatly from one town to another, and it is worth being prepared for that. Some town halls accept non-taxability simply on production of the deeds and decide within weeks; others require their own forms, responsible declarations or even valuations, and a few assess first and argue afterwards. The procedure changes too: some towns require a self-assessment and others issue an assessment, and that decides where a mistake has to be fought.
None of that changes the law, but it does change the work: the first thing we look at in each case is the town's tax bylaw in force on the date the tax fell due, because that is where the procedure, the deadline, the rate, the coefficients and the applicable allowances are set. It is public information, found in the province's official gazette and on the town hall's own website, and it is not something the client has to find out.
If you have already paid and there was no increase
Then the right step is to ask for a refund, and the route depends on whether you filed a self-assessment or were served with an assessment. The deadlines are very different (four years in one case, one month in the other) and the difference between them is what decides whether the matter can go anywhere. It is explained in how to reclaim a plusvalía paid in excess.
If you would like us to look at it, the starting point is the plusvalía municipal intake form: with the two deeds and the latest IBI bill we can quickly tell whether your transaction was taxable, whether the actual-gain method is better and which route remains open. And as with everything else: we analyse, document and put the case, but we do not guarantee the answer of a town hall that does not depend on us.
How the declaration of non-taxability is put together
It is not a complicated document, but it has to say what it needs to say and come with what it needs to come with. The reasonable minimum content is this:
- Identification of the property with its cadastral reference, and of the seller and buyer.
- Date and title of the previous acquisition, with its value, and date and title of the current transfer, with its value.
- The comparison of both values and the conclusion that there is no increase.
- A copy of both deeds and, for acquisitions by inheritance or gift, of the paperwork for the relevant tax showing the declared value.
- An express request that non-taxability be declared and, if it has already been paid, for a refund.
If the town has its own form, use it; if not, a letter addressed to the tax management department will do. What matters is filing it through a channel that leaves a dated registry entry, because that date is the one that counts if deadlines have to be argued later.
Declaring a transfer not taxable does not mean acknowledging any debt. It is the step that lets the town hall verify what the law asks it to verify, and it is also what prevents an assessment worked out under the objective method from appearing on its own initiative months later.
Questions that come up with “When there is no increase in value”
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