Carmen Aznar died in Valladolid on 12 March 2026. In her will she left her two children, Iñaki and Lucía, in equal shares, the bare ownership of the flat in the Delicias district where she had lived since 1999, and she left her husband, Julián, the life interest in it (in Spanish law, the usufructo: the right to use and enjoy the property for life). Iñaki lives in Valladolid; Lucía in Lyon. At the notary's office they have been told about Inheritance Tax, but nobody has told them that the town council is also waiting for a declaration for the plusvalía municipal (the local tax on the increase in value of urban land), that the deadline already passed on 12 September, and that each of them is a taxpayer for their own share.
The heir is the taxpayer, not the estate
Article 106.1.a) of the consolidated text of the Local Government Finance Act (TRLRHL) says that, in transfers for no consideration, the taxpayer is the person who acquires the land or in whose favour the property right is created. In an inheritance there are as many taxpayers as there are acquirers:
- Iñaki, for the half of the bare ownership he receives.
- Lucía, for the other half.
- Julián, for the life interest, which is a property right of use that limits ownership and is also subject to the tax under article 104.1.
The substitute rule in article 106.2, which makes the buyer pay when the seller is a non-resident, only applies to transfers for consideration. The fact that Lucía lives in France does not shift her debt to her brother or to anyone else: it is still hers. What does change is the state and regional side of the inheritance, which we deal with in inheriting a flat in Spain as a non-resident.
The deadline: six months from the death
The tax falls due on the date of the transfer, under article 109.1.a). In an inheritance, that date is the date of death, not the date of the deed of acceptance of the estate. From then on, article 110.2.b) gives six months to file the declaration, "extendable to one year at the request of the taxpayer".
| Moment | Date in Carmen's case |
|---|---|
| Death and date the tax falls due | 12 March 2026 |
| End of the ordinary period | 12 September 2026 |
| End of the period if an extension had been requested | 12 March 2027 |
| Current position (22 September) | Period expired with no extension |
The extension has to be requested. It is not granted automatically, and it is not treated as requested just because one was requested for Inheritance Tax from the regional government: they are different administrations. It is best done while the six months are still running, because asking to extend a period that has already expired raises an obvious problem. Each municipality's bylaw regulates how it is handled.
Carmen's children are late. If they file now, before the council has sent them a formal request, the surcharge for late filing under the Ley General Tributaria (the General Tax Act) applies, which is reduced in the first few months. We explain it in I have missed the deadline.
How the base is split between bare ownership and life interest
The taxable base for the land is calculated once and then divided according to what each person receives. For property rights, article 107.2.b) refers to the rules of Transfer Tax (the Impuesto sobre Transmisiones Patrimoniales) to value what part of the value corresponds to the life interest. A life interest is valued with a percentage that depends on the age of the person holding it, and the rest is bare ownership.
With the figures in the case, and only to illustrate the split:
- Cadastral value of the land in 2026 (the official value given by the Cadastre, Spain's property register for tax purposes), according to the bill for the IBI, the annual council property tax: 48,000 €.
- Carmen owned the flat for more than twenty years, so the bylaw's coefficient for the maximum period applies. The resulting total objective base is 19,200 €.
- Suppose that, because of Julián's age, the Transfer Tax rules attribute 20 % of the value to the life interest. Julián's base: 3,840 €.
- Bare ownership, the remaining 80 %: 15,360 €. Iñaki's base: 7,680 €. Lucía's base: 7,680 €.
- The rate in the bylaw is applied to each base and, after that, the relief if it applies.
The 20 % in step 3 is an assumption for the calculation, not Julián's real percentage, which depends on his exact age on the date of death.
The relief for the close family
Article 108.4 allows bylaws to grant a relief of up to 95 % of the gross tax on transfers on death in favour of descendants and adopted children, spouses, ascendants and adoptive parents. It is a power of the council, not a right of the heir: each municipality decides whether to introduce it, at what percentage and on what conditions.
Conditions that a bylaw may impose, and which have to be read in the bylaw of the municipality where the property is:
- that the property was the deceased's main home;
- that the heir lived with the deceased, or keeps the property for a certain time;
- that the cadastral value does not exceed a certain amount;
- that the relief is applied for within the period for filing the declaration.
If the council of Valladolid applied, for example, the legal maximum to the children and the spouse, each tax bill would be 5 % of its gross amount. If the relief were smaller, or conditional on something Iñaki and Lucía do not meet, they would pay more. We cannot predict the figure without reading the bylaw in force in March 2026. In what reliefs my council offers we explain where to find it.
A bylaw may tie the relief to it being claimed within the period for filing the declaration. If that is the case in the municipality, filing after the six months without an extension can cost the whole relief, not just a surcharge. It is the most serious risk of letting the date go by, and it should be checked before filing.
What happens if the home lost value
Article 104.5 also applies to inheritances. If the value of the land on the date of death is lower than at the time of Carmen's purchase, there is no liability. The transfer value taken is the one declared for Inheritance Tax, or the value checked by the authorities if that is higher. In a flat bought in 1999 it is unlikely that there is no increase, but in purchases from 2006 or 2007 it is not unusual. And if the actual increase turns out to be lower than the objective base, you can ask to be taxed on it, as in a sale. We compare the two in objective or actual method.
What documents the declaration requires
Article 110.3 requires the document that gives rise to the tax to be attached. In an inheritance it is usually the deed of acceptance and allocation of the estate; if it has not yet been signed, you will need to see what the bylaw accepts in order to file on time. In addition:
- the death certificate and the certificate from the Spanish register of wills, and the will or the declaration of heirs;
- the deed by which the deceased acquired the flat, to establish the period over which the gain was generated;
- the latest IBI bill;
- the family record book or a document proving the relationship, if the relief is claimed.
Iñaki and Lucía can send us what they have through the plusvalía form. It is possible to start even without the signed deed of acceptance, because the period runs from the death.
Two taxes, two calendars
The municipal plusvalía and Inheritance Tax are not coordinated. Inheritance Tax has its own deadline and is filed with the regional government or with the Agencia Tributaria, the Spanish tax agency, depending on residence. The plusvalía is filed with the council where the property is. Filing one does not stop the clock on the other. The guide on plusvalía on inheritances and gifts goes over both, and the question on how long I have to settle an inheritance deals with Inheritance Tax.
What they pay now is not entirely lost: if they sell the flat one day, the plusvalía they paid on inheriting forms part of the tax cost of their acquisition for income tax. That chain is explained in I inherited and now I am selling.
The Salama Tax page devoted to the municipal plusvalía explains the tax in all its situations, including inheritances with several heirs.