Plusvalía municipal: the new calculation after the Constitutional Court and how to reclaim amounts overpaid

The plusvalía municipal (formally, the Impuesto sobre el Incremento de Valor de los Terrenos de Naturaleza Urbana, IIVTNU) is one of the taxes that generates the most surprises in property transactions. Until Constitutional Court ruling STC 182/2021, the tax was calculated using an objective method that made it payable even where the seller had made no real profit, or had in fact suffered a loss. Many taxpayers paid for years a tax that was unconstitutional, while local authorities continued to collect it without questioning its legality. The situation changed fundamentally on 26 October 2021, when the Constitutional Court declared the entire objective calculation system unconstitutional. The legislature responded rapidly with Royal Decree-Law 26/2021, which came into force on 10 November 2021 and established two new calculation methods. Since then, taxpayers have been entitled to choose the method that works in their favour, but the rules governing earlier assessments and the avenues for claiming refunds are complex and depend on procedural factors that only a specialist can properly analyse.

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Why BM Consulting

Specialised advice and personal service

At BMC we analyse every property transaction to determine which of the two calculation methods (objective or real) is more favourable for the taxpayer, and we prepare the self-assessment of the plusvalía municipal using the most advantageous approach. For transactions that took place before 10 November 2021 where the taxpayer paid in excess or without any real gain, we assess the options for reclaiming the tax depending on whether the assessment has become final or whether a path remains open through an objection, a rectification procedure, or a state liability claim. Our advice covers the tax in all the transactions that may give rise to it: sale and purchase, inheritance, gift, exchange and deed in lieu of foreclosure. In each case we analyse the taxable base, the applicable rates and the resulting liability under both methods so the taxpayer pays only what is legally due.

  • The plusvalía municipal taxes the increase in value of urban land (not the building) over the ownership period, up to a maximum of 20 years.

  • Since 2021, taxpayers may choose between the objective method (municipal coefficients) and the real-gain method (documented actual increase). Whichever produces the lower liability applies.

  • If the property was sold at a loss, no plusvalía municipal is due. Any tax already paid can be reclaimed within four years.

  • In inheritances, the plusvalía is paid by the heir (not the deceased). Some municipalities allow payment deferrals to be requested.

How we work

From first contact to case completion

  1. Transaction analysis

    We review the title deed for the acquisition, the purchase price or value, the sale price or value, the date of each transaction and the proportion attributable to land value, which is the only element subject to the plusvalía municipal.

  2. Comparative calculation using both methods

    We calculate the taxable base under the objective method (coefficients approved annually by the municipality applied to the cadastral value of the land) and under the real-gain method (difference between the sale value and the acquisition value, weighted by the land proportion). We select the more favourable method.

  3. Filing the self-assessment

    We prepare and file the self-assessment with the relevant municipality within the statutory deadline: 30 working days for inter vivos transfers and 6 months (extendable to 12) for inheritances and gifts.

  4. Reclaiming amounts overpaid

    For earlier transactions, we analyse the options for reclaiming overpaid tax: an objection for reconsideration, an administrative appeal, a rectification of the self-assessment, or a state legislative liability claim, depending on which avenue is available in each specific case.

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The problem

The plusvalía municipal (formally, the Impuesto sobre el Incremento de Valor de los Terrenos de Naturaleza Urbana, IIVTNU) is one of the taxes that generates the most surprises in property transactions. Until Constitutional Court ruling STC 182/2021, the tax was calculated using an objective method that made it payable even where the seller had made no real profit, or had in fact suffered a loss. Many taxpayers paid for years a tax that was unconstitutional, while local authorities continued to collect it without questioning its legality. The situation changed fundamentally on 26 October 2021, when the Constitutional Court declared the entire objective calculation system unconstitutional. The legislature responded rapidly with Royal Decree-Law 26/2021, which came into force on 10 November 2021 and established two new calculation methods. Since then, taxpayers have been entitled to choose the method that works in their favour, but the rules governing earlier assessments and the avenues for claiming refunds are complex and depend on procedural factors that only a specialist can properly analyse.

Our solution

At BMC we analyse every property transaction to determine which of the two calculation methods (objective or real) is more favourable for the taxpayer, and we prepare the self-assessment of the plusvalía municipal using the most advantageous approach. For transactions that took place before 10 November 2021 where the taxpayer paid in excess or without any real gain, we assess the options for reclaiming the tax depending on whether the assessment has become final or whether a path remains open through an objection, a rectification procedure, or a state liability claim. Our advice covers the tax in all the transactions that may give rise to it: sale and purchase, inheritance, gift, exchange and deed in lieu of foreclosure. In each case we analyse the taxable base, the applicable rates and the resulting liability under both methods so the taxpayer pays only what is legally due.

Process

How we do it

1

Transaction analysis

We review the title deed for the acquisition, the purchase price or value, the sale price or value, the date of each transaction and the proportion attributable to land value, which is the only element subject to the plusvalía municipal.

2

Comparative calculation using both methods

We calculate the taxable base under the objective method (coefficients approved annually by the municipality applied to the cadastral value of the land) and under the real-gain method (difference between the sale value and the acquisition value, weighted by the land proportion). We select the more favourable method.

3

Filing the self-assessment

We prepare and file the self-assessment with the relevant municipality within the statutory deadline: 30 working days for inter vivos transfers and 6 months (extendable to 12) for inheritances and gifts.

4

Reclaiming amounts overpaid

For earlier transactions, we analyse the options for reclaiming overpaid tax: an objection for reconsideration, an administrative appeal, a rectification of the self-assessment, or a state legislative liability claim, depending on which avenue is available in each specific case.

'2'
Calculation methods available
30 días
Self-assessment deadline (inter vivos)
100%
Refund in cases with no real gain

We sold my parents' flat in 2020 at a loss compared to the purchase price and the municipality still assessed the plusvalía municipal. With BMC we submitted a claim and received a full refund of what we had paid. We had no idea it was possible until we consulted them.

Miguel Herranz Private individual, Madrid

The plusvalía municipal after the Constitutional Court

The Impuesto sobre el Incremento de Valor de los Terrenos de Naturaleza Urbana (IIVTNU), commonly known as the plusvalía municipal (municipal land value increment tax), taxes the increase in value that urban land experiences from the date of acquisition to the date of transfer. It is a municipal tax collected by local councils and may be triggered by sales and purchases, inheritances, gifts and any other transfer of urban property.

The recent history of this tax is one of the most turbulent chapters in Spanish tax law. Following the property crisis of 2008, thousands of taxpayers sold homes at a loss but remained obliged to pay the plusvalía municipal because the objective calculation method always produced a positive result. The Constitutional Court progressively declared different aspects of the tax unconstitutional until, in ruling STC 182/2021, it declared the entire objective calculation system unconstitutional, forcing the legislature to urgently reform the law.

The new calculation system: objective method vs real-gain method

Since 10 November 2021, taxpayers may calculate the tax using either method and choose whichever is more favourable:

Objective method: The cadastral value of the land is multiplied by annually approved coefficients (which vary according to the number of years the property has been held, up to a maximum of 20 years). The result is the taxable base to which the municipal tax rate (up to 30%) is applied.

Real-gain method: The difference between the transfer value and the acquisition value is calculated and the proportion of that gain attributable to the land is determined (by applying the ratio between the cadastral value of the land and the total cadastral value). If the result is negative (no real gain), there is no taxable base and the tax is zero.

Which transactions trigger the plusvalía municipal

The tax arises on all onerous and gratuitous transfers of urban property: sales and purchases, inheritances, gifts, exchanges, deeds in lieu of foreclosure and contributions to companies. It does not arise on transfers of rural land or on first transfers of officially protected housing.

Ownership periods of less than one year have also given rise to the plusvalía municipal since 2021, with specific coefficients for fractions of a year.

Claims for assessments prior to November 2021

For transactions carried out before the 2021 reform, the possibility of making a claim depends on the procedural status of the assessment. Taxpayers who appealed at the time and have pending proceedings are in the best position. Those who filed self-assessments and are still within the rectification window may do so. For final assessments, the ordinary route is closed, although the Supreme Court has in some cases admitted claims based on state legislative liability.

At BMC we assess free of charge whether your situation permits any kind of claim before initiating any action.

What comes next

Real estate purchase contractFormalise the transaction with a contract that protects buyer and seller, sets out cost allocation, and avoids post-sale surprises.Municipal capital gains tax appealIf the municipal plusvalía tax assessed is disproportionate or the transaction resulted in a loss, we can claim a refund.
FAQ

Frequently asked questions

Yes. Following the Constitutional Court rulings of 2019 and 2021, if it can be demonstrated that the value of the land did not increase during the ownership period (i.e. the property was sold for less than the purchase price, or the cadastral value of the land did not rise), the plusvalía municipal is not chargeable. If a taxpayer paid the tax on a transaction where a demonstrable real loss occurred, they may request rectification of the self-assessment and a refund of the tax paid, plus default interest. The limitation period for claiming the refund is four years from the date of payment. BMC has handled numerous refund applications for transactions carried out during the property crisis.
The objective method applies coefficients approved annually by the municipality (within the statutory maxima) to the cadastral value of the land. The real-gain method calculates the actual gain made by the transferor (difference between the sale value and the acquisition value) and applies the proportion corresponding to the land component as reflected in the cadastral values. The taxpayer may choose the method that results in a lower tax liability.
No. Since Constitutional Court ruling STC 59/2017, it is clear that the tax cannot be charged where there has been no real increase in value. If the sale price is equal to or lower than the acquisition price (both correctly updated), there is no taxable event and the tax is not due. This applies under both the real-gain method and the objective method when the real-gain calculation demonstrates the absence of any gain.
It depends on the procedural status of each assessment. If the assessment is not final (an appeal is pending, or the self-assessment was filed and the rectification window is still open), a claim is possible. If the assessment has become final because no timely challenge was made, the options are more limited: the route of state legislative liability may be viable in some cases, although the deadlines and conditions are strict. Each case requires individual analysis.
Under the law, the taxpayer is the transferor (the seller) in a sale and purchase. However, the law allows the buyer and seller to agree that the buyer will assume payment, which is valid between the parties but not binding on the municipality (which may pursue the seller if the buyer does not pay). In practice, in many commercial property transactions the buyer contractually assumes the tax, something that must be expressly negotiated.
In inheritances, the taxpayer is the heir who receives the property. The period generating the increase runs from the date of acquisition by the deceased until the date of death. The deadline for filing is 6 months from the date of death, extendable by a further 6 months. The transfer value for the real-gain method is the value of the property in the estate (the cadastral reference value or another declared value). It is important to factor in the plusvalía municipal when succession planning, especially for properties held over a long period.

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Frequently asked questions

Questions about Plusvalía Municipal Spain: Calculation and How to Reclaim Overpaid Tax

Yes. Following the Constitutional Court rulings of 2019 and 2021, if it can be demonstrated that the value of the land did not increase during the ownership period (i.e. the property was sold for less than the purchase price, or the cadastral value of the land did not rise), the plusvalía municipal is not chargeable. If a taxpayer paid the tax on a transaction where a demonstrable real loss occurred, they may request rectification of the self-assessment and a refund of the tax paid, plus default interest. The limitation period for claiming the refund is four years from the date of payment. BMC has handled numerous refund applications for transactions carried out during the property crisis.
The objective method applies coefficients approved annually by the municipality (within the statutory maxima) to the cadastral value of the land. The real-gain method calculates the actual gain made by the transferor (difference between the sale value and the acquisition value) and applies the proportion corresponding to the land component as reflected in the cadastral values. The taxpayer may choose the method that results in a lower tax liability.
No. Since Constitutional Court ruling STC 59/2017, it is clear that the tax cannot be charged where there has been no real increase in value. If the sale price is equal to or lower than the acquisition price (both correctly updated), there is no taxable event and the tax is not due. This applies under both the real-gain method and the objective method when the real-gain calculation demonstrates the absence of any gain.
It depends on the procedural status of each assessment. If the assessment is not final (an appeal is pending, or the self-assessment was filed and the rectification window is still open), a claim is possible. If the assessment has become final because no timely challenge was made, the options are more limited: the route of state legislative liability may be viable in some cases, although the deadlines and conditions are strict. Each case requires individual analysis.
Under the law, the taxpayer is the transferor (the seller) in a sale and purchase. However, the law allows the buyer and seller to agree that the buyer will assume payment, which is valid between the parties but not binding on the municipality (which may pursue the seller if the buyer does not pay). In practice, in many commercial property transactions the buyer contractually assumes the tax, something that must be expressly negotiated.
In inheritances, the taxpayer is the heir who receives the property. The period generating the increase runs from the date of acquisition by the deceased until the date of death. The deadline for filing is 6 months from the date of death, extendable by a further 6 months. The transfer value for the real-gain method is the value of the property in the estate (the cadastral reference value or another declared value). It is important to factor in the plusvalía municipal when succession planning, especially for properties held over a long period.
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