Spain's municipal land value increment tax — paid by the seller on the increase in the cadastral value of urban land since the property was last transferred.
Plusvalía — officially the Impuesto sobre el Incremento de Valor de los Terrenos de Naturaleza Urbana (IIVTNU) — is a Spanish municipal tax charged on the theoretical increase in the value of urban land (not the building) between two successive transfers of a property. It is calculated by the local ayuntamiento (town hall) using the property's cadastral value and the number of years of ownership, rather than the actual market transaction price.
Historically, the plusvalía was always paid by the seller. However, a landmark 2021 Spanish Constitutional Court ruling (STC 182/2021) declared the original calculation method unconstitutional because it charged the tax even when property values had declined — a situation that became common during the 2008–2014 housing crisis. Following the ruling, the Spanish government introduced a reformed calculation from November 2021 onwards, giving sellers a choice between two calculation methods: the objective method (using updated municipal coefficients applied to the cadastral value) or the real increment method (based on the actual difference between the purchase price and the sale price).
The plusvalía amount can vary significantly from one municipality to another, as local ayuntamientos set their own rates and coefficients within nationally permitted ranges. In cities like Madrid, Barcelona, and Valencia, plusvalía on city-centre properties can run to tens of thousands of euros on long-held assets. In rural or low-demand municipalities, the charge may be minimal. The tax is calculated and billed by the local ayuntamiento, not by the notary or the regional tax authority.
By default, the seller pays the plusvalía. However, in practice, the question of who bears the cost is often negotiated between buyer and seller, particularly in a buyer's market. Some purchase contracts explicitly pass the plusvalía liability to the buyer. If you are buying, review the purchase contract carefully and obtain a clear written agreement on which party bears this cost.
If a property is transferred by inheritance or gift (donación), the plusvalía is payable by the recipient (heir or donee). This is particularly relevant for expats inheriting Spanish property: the plusvalía falls on the inheritors, not the estate, and must be paid within six months (extendable to twelve) of the date of death.
The default rule is that the seller pays the plusvalía. However, the purchase contract can specify otherwise — some contracts, particularly in a buyer's market, transfer this liability to the buyer. Always check the specific clause in your contract before signing.
There is no single national rate — the plusvalía amount depends on your specific municipality's coefficients, the cadastral value of the land element of the property, and how long the property has been owned. In prime urban areas, it can amount to several thousand euros on properties held for many years. Your ayuntamiento can provide the official calculation.
Yes. Following the 2021 Constitutional Court ruling, if you can demonstrate that there was no actual increase in land value (i.e. you are selling for less than you paid), you have grounds to challenge or seek an exemption. Legal advice from a Spanish tax lawyer is recommended for significant claims.
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