The Impuesto sobre el Incremento de Valor de los Terrenos de Naturaleza Urbana — plusvalía municipal — is the council tax you pay on the increase in urban land value when you sell, gift or inherit Spanish property. The 2021 Constitutional Court ruling reshaped how it is calculated. Here is what British, American and international owners need to know to avoid overpaying.
Get a Home Insurance Quote WhatsApp Our TeamImpuesto sobre el Incremento de Valor de los Terrenos de Naturaleza Urbana (IIVTNU) — known to almost every Spaniard as plusvalía municipal — is the local council tax on the increase in urban land value during the years you owned a property. It is set and collected by the town hall (ayuntamiento), not by central government, and it is separate from the national capital gains tax you also pay on the same sale.
For decades the tax used a fixed objective formula based on cadastral land value and years of ownership, which meant councils charged plusvalía even on loss-making sales. In STC 182/2021 the Constitutional Court struck the calculation method down as unconstitutional. The government responded within days with Real Decreto-ley 26/2021 ↗, replacing the old formula with two new methods and exempting genuine loss sales.
Today the seller chooses the lower of two figures: an objective method based on cadastral land value and council coefficients, or a real-gain method based on the actual land-value increase between purchase and sale. Cadastral values can be checked at the Sede Electrónica del Catastro ↗.
Plusvalía sits between the cadastre, the council and the notary — and it catches a lot of foreign sellers by surprise at completion. The core ideas are simple once you see them.
Plusvalía taxes the increase in land value, not the value of the building. The cadastral record splits every property into valor del suelo (land) and valor de la construcción (build). Only the land portion is in scope — typically 30%–60% of the total cadastral value, depending on town and zone.
Post-RD-Ley 26/2021 the seller may choose between the objective method (cadastral land value × council-set coefficient by years held) and the real-gain method (actual land-attributable gain on the transaction). The taxpayer picks the lower of the two — but must declare both to claim the choice.
On a sale, the seller normally pays plusvalía. On a gift, the recipient pays. On an inheritance, the heirs pay. Critical exception: when the seller is a non-resident of Spain, the buyer becomes the substitute taxpayer (sustituto del contribuyente) under Article 106 LRHL — which is why notaries routinely retain plusvalía at completion.
Since November 2021, if the seller can demonstrate there was no real increase in land value between acquisition and disposal, no plusvalía is due. You must still file the declaration and provide the title deeds proving the loss. This was one of the biggest practical wins from STC 182/2021.
Plusvalía is due within 30 working days of the sale or gift, or six months (extendable to one year) for an inheritance. Miss the window and surcharges of 5%, 10%, 15% or 20% apply plus interest. The town hall will not let an heir register the property until plusvalía is settled.
Each ayuntamiento sets its own coefficients (within a national ceiling) and its own tax rate (up to 30%). Madrid, Barcelona, Valencia, Málaga and Seville all publish their own ordinances. Two identical flats sold the same day in different towns can produce wildly different plusvalía bills.
The two-method choice and the non-resident substitution rule produce some quietly important outcomes. These are the scenarios we see most often at completion.
Most plusvalía disasters are not about the tax itself — they are about misunderstanding who pays, what gets declared and which deadline applies.
Plusvalía hits at the moment you sell, gift or inherit. But for the years in between, a Spanish property needs proper home cover — buildings, contents, third-party liability and legal protection structured for owners who do not always live full-time at the address. That is exactly what we arrange.
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Plusvalía is one tax in a much larger picture for foreign property owners in Spain. Make sure the rest of your cover and planning is in order.
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Read the guide ›Other essential reading for expats owning, selling or inheriting Spanish property:
Plusvalía hits once — at sale, gift or inheritance. Buildings, contents, third-party liability and legal cover protect your Spanish property every day in between. DGSFP-registered, English-speaking, 7 days a week. We work with Sanitas and Caser for any bundled health element.
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