Spanish wealth tax 2026: obligations, rates, and planning for foreigners

Spanish wealth tax in 2026: why foreigners cannot ignore it

Spain is one of very few developed economies that still levies an annual net wealth tax (Impuesto sobre el Patrimonio, IP). What surprises most foreign buyers of Spanish property — and many expats who have relocated — is that the obligation extends fully to non-residents. If you own a Spanish property, hold a Spanish bank account, or have shares in a Spanish company, and the net value of those assets exceeds €700,000, you have an annual Spanish filing obligation regardless of where you live.

The IP is governed by Ley 19/1991, de 6 de junio, del Impuesto sobre el Patrimonio. The assessment date is 31 December each year. The filing window is June–July of the following year (aligned with the IRPF campaign). Non-residents file using Modelo 714.

In 2023, Spain added a second layer: the Impuesto Temporal de Solidaridad de las Grandes Fortunas (ITSGF), introduced by Ley 38/2022, de 27 de diciembre. This national surcharge applies exclusively to Spanish tax residents with net assets above €3 million and was designed to prevent wealthy residents of regions that had zeroed-out IP (primarily Madrid and Andalucía) from paying no wealth tax whatsoever. The ITSGF does not apply to non-residents — only to those who are Spanish tax residents.

Who must file: residents versus non-residents

Spanish tax residents must declare their worldwide net assets. Worldwide means exactly that: Spanish property plus foreign property, foreign bank accounts, foreign investment portfolios, pension funds, and any other asset with a realisable value. The IP applies to the total net position on 31 December after applicable personal and regional exemptions.

Non-residents — including British nationals with a Costa Brava villa, German investors with a Barcelona apartment, American retirees visiting Spain for three months a year, and any other foreigner who has not become a Spanish tax resident — are taxed only on Spanish-situs assets. Spanish-situs assets are those physically or legally located in Spain: real estate registered with the Spanish land registry, accounts at Spanish banks (IBAN ES…), shares in Spanish companies (SA, SL), bonds issued by Spanish entities, and life insurance policies issued by Spanish insurers with a surrender value.

The national IP rate scale (2026)

The national IP scale, which applies in the absence of autonomous community modification, is:

These rates are applied to the net taxable base — total Spanish-situs assets minus qualifying liabilities (principally, mortgages secured on the Spanish property) minus the €700,000 personal exemption. For residents, a further €300,000 primary residence allowance applies before the calculation begins.

The ITSGF solidarity surcharge (from 2023)

The Impuesto Temporal de Solidaridad de las Grandes Fortunas was introduced by Ley 38/2022 and applies from fiscal year 2023 onwards. Its three-band rate structure is:

The ITSGF applies to Spanish tax residents only. Non-residents are not subject to ITSGF. For residents of Madrid who paid zero IP under Madrid’s 100% bonus, the full ITSGF is now payable. For residents of communities that charge IP at meaningful rates, the ITSGF is calculated first and then reduced by any IP already paid — so the effective top-up is the difference between the two, not a cumulative charge.

How Spanish property is valued for IP

Accurate property valuation is one of the most contested aspects of IP compliance. The law requires that Spanish real estate be valued at the highest of three figures:

1. The cadastral value (valor catastral) as shown on the annual IBI (council tax) bill. Cadastral values in established Spanish cities are often significantly below market value, particularly in older properties not revised in the last decade.

2. The acquisition cost including all taxes paid on purchase (ITP or VAT at acquisition, plus stamp duty and notary costs). This figure is fixed from the date of purchase and does not reflect subsequent market appreciation.

3. The AEAT reference value (valor de referencia), which the Spanish Tax Agency publishes for virtually all cadastral references and which approximates market value. Following Ley 11/2021, this reference value has become the legally presumed market value for real estate in transfer tax and inheritance tax assessments, and it is increasingly the highest of the three for urban properties.

BMC uses the official AEAT Sede Electrónica database to retrieve the reference value for each property and verifies it against recent comparable transactions. Where we believe the AEAT value is excessive, we document the challenge and file with supporting evidence.

Liabilities that reduce the IP base

Not all wealth tax calculations use gross asset values. The following liabilities reduce the IP taxable base:

• Mortgages secured on Spanish property — the outstanding principal balance of a mortgage reduces the gross property value for IP purposes. This is the most significant liability deduction for property investors.
• Personal loans used to acquire Spanish assets — loans used to finance the purchase of Spanish securities or business interests can reduce those assets’ IP value.
• Trade payables and other current liabilities — generally not deductible for non-residents whose only Spanish exposure is property.

Note: liabilities secured on foreign assets do not reduce IP even for residents unless the liability is attributable to a specific Spanish asset.

Non-resident rights: the ECJ ruling and what it means in 2026

Before the European Court of Justice’s landmark ruling in case C-127/12 (Commission v Spain, 2014), non-residents were systematically charged IP at higher effective rates than residents because they could only use the national scale and personal exemptions, not the more favourable autonomous community regimes. Spain was ordered to change this discriminatory treatment.

Following the ruling, Spain amended its law so that non-residents are entitled to use the IP regime of the autonomous community where their highest-value Spanish asset is located (for real estate) or, for other assets, the community where the AEAT office managing their file is located.

For UK nationals post-Brexit, there was concern that EU law rights would cease to apply. In practice, Spain’s amended domestic legislation does not distinguish between EU residents and non-EU residents for IP purposes — the non-resident entitlement to regional regimes is now a matter of Spanish internal law, not EU law. BMC confirms the specific applicable community rules for each client and applies them in the Modelo 714 filing.

Planning tools for foreigners: what is legally effective

1. Mortgage financing. Maintaining a mortgage on Spanish property rather than paying it off in full reduces the net IP taxable base by the outstanding loan balance. For a villa worth €2 million with a €600,000 mortgage, the IP base is €1.3 million (after the €700,000 exemption), not €2 million. The interest cost of maintaining the mortgage must be weighed against the IP saving.

2. Spanish-situs asset structuring. Some foreigners consider holding Spanish property through a non-Spanish company to remove it from IP scope. The AEAT has consistently challenged these structures under the look-through rules in the Ley IRNR (Real Decreto Legislativo 5/2004), which taxe the underlying Spanish property value when the company’s primary asset is Spanish real estate. Structures without genuine economic substance are vulnerable to recharacterisation.

3. Empresa familiar exemption. Foreigners who own shares in genuine Spanish operating businesses — not holding vehicles or property companies — and who meet the activity, management, and ownership conditions of the empresa familiar regime can benefit from 100% IP exemption on those shares. This is a powerful tool for business owners but requires the business structure to be designed correctly from the outset.

4. The IP/IRPF cap rule (Art. 31 Ley IP). The combined IP and IRPF liability cannot exceed 60% of the IRPF taxable base. This cap is most relevant for residents but can affect non-residents who have significant Spanish income alongside their Spanish assets. The cap cannot reduce IP below 20% of the uncapped liability — there is a floor, not an elimination.

Interaction with inheritance planning

Spanish wealth tax and Spanish inheritance tax (Impuesto sobre Sucesiones y Donaciones, ISD) interact significantly for foreigners with Spanish property. The same Spanish-situs assets that attract IP during the owner’s lifetime will be subject to ISD on death or gift. The valuation used for IP purposes does not bind the ISD calculation, but there is consistency pressure — the AEAT compares IP returns and ISD declarations for the same assets.

Foreigners who own Spanish property should include Spanish ISD planning as part of their overall estate structure. In particular:

• Spanish wills (testamentos ante notario español) covering Spanish assets simplify the succession process and avoid the need to have a foreign will formally recognised in Spain
• The applicable regional ISD regime depends on the community where the deceased was resident (for residents) or where the highest-value Spanish asset is located (for non-residents inheriting Spanish property)
• Spain has inheritance tax treaties with a small number of countries; the main bilateral relief for most foreigners is via unilateral credit mechanisms rather than treaty

DTA coverage: what treaties do and do not cover

Spain has comprehensive double taxation agreements (CDI — Convenios para Evitar la Doble Imposición) with the UK (CDI ES-UK 2013), the United States (CDI ES-US 1990), Germany (CDI ES-DE 2012), France (CDI ES-FR 1995), the Netherlands (CDI ES-NL 2021), Italy (CDI ES-IT 1977), and Switzerland (CDI ES-CH 1966), among more than 95 total treaties.

These treaties cover income taxes — they do not cover IP or ITSGF. There is no treaty mechanism that allows you to use Spanish wealth tax paid as a credit against income tax in your home country, or vice versa. The implication for US nationals is significant: US federal tax law does not allow a foreign tax credit for taxes that are not income taxes, so Spanish IP is a pure additional cost with no US offset available.

French residents are a partial exception: France’s domestic law (prior to the abolition of the ISF and replacement by the IFI) allowed credits for foreign wealth taxes paid on French-situs assets. Under the IFI (Impôt sur la Fortune Immobilière), French residents may be able to credit Spanish IP paid on Spanish real estate against French IFI on the same asset — but this depends on the specific mechanism applied by the French tax authorities in each year.

What to do if you have missed prior-year filings

Many foreigners have owned Spanish property for years without realising they had an IP obligation. If you have not filed Modelo 714 for prior years, the exposure depends on how long ago the obligation arose and whether the AEAT has already opened a review.

The general statute of limitations for Spanish tax is four years. If you voluntarily file outstanding returns before the AEAT initiates any enquiry, you can limit the back-period to four years and benefit from reduced surcharges (5%–20% depending on delay, no penalties). If the AEAT initiates an inspection first, formal penalties of 50%–150% apply in addition to surcharges and interest.

BMC regularly manages regularisation of multi-year IP non-compliance for foreign property owners. We assess the total exposure, negotiate where possible, and file all outstanding returns in a controlled sequence to minimise the overall liability.

Frequently asked questions

Do I need to file a Spanish tax return if I only own a holiday home? If your Spanish property has a net value (after the mortgage balance) above the €700,000 personal exemption, yes. Even if you spend no time in Spain and the property is empty most of the year, the annual IP obligation applies. For a non-resident, the exemption threshold applies per person — a property jointly owned by a couple has each owner assessed individually, with each partner entitled to a €700,000 deduction against their 50% share.

When is the wealth tax return due? Modelo 714 is filed during the IRPF campaign, generally June and July of the year following the assessment date. For the 2025 assessment (31 December 2025), the return would be due by late June/early July 2026. The exact deadline is set by the annual AEAT filing calendar and may vary slightly by year.

Does the Spain–UK double tax treaty help with IP? No. The 2013 Spain–UK treaty (in force since 2015) covers income taxes only. Spanish IP is not an income tax and is not covered. UK residents with Spanish assets pay Spanish IP in full with no UK credit mechanism available under the treaty. Whether UK domestic law allows any relief is a separate question that depends on the nature of the Spanish tax and the UK computation rules — BMC coordinates with UK advisers on the cross-border position.

Does the US–Spain treaty cover wealth tax? No. The 1990 US–Spain DTA covers income taxes. US citizens and Green Card holders are subject to Spanish IP on their worldwide assets as residents, or on Spanish-situs assets as non-residents, with no treaty relief available against US taxes. This makes Spain a relatively expensive jurisdiction for wealthy US nationals, and the IP exposure is typically an important input into relocation planning.

What if I hold my Spanish property through a UK or offshore company? The AEAT has extensive anti-avoidance rules targeting Spanish real estate held through non-Spanish entities (Art. 25 Ley IRNR). The non-resident income tax on deemed income or capital gains applies to the property value regardless of corporate wrapper. For IP purposes, shares in foreign companies whose primary asset is Spanish real estate are treated under the look-through doctrine, and the Spanish property value is attributed back to the individual. BMC assesses the full implications of existing corporate structures before any IP filings.

Is there a minimum assets threshold below which I don’t need to file? Technically, the obligation to file arises if your gross assets (before deductions) exceed €2 million regardless of whether there is any net liability. In practice, AEAT enforcement focuses on high-value positions. Below the €700,000 net exemption, there is zero tax liability even if a return is technically due. BMC advises on filing thresholds for each client’s specific asset position.

BMC’s approach to foreign nationals

Our non-resident wealth tax practice covers annual Modelo 714 compliance, multi-year regularisation, autonomous community regime optimisation, company structure assessments, valuation challenges, and coordinated planning with inheritance tax and property transfer tax. We work directly with advisers in the UK, Germany, Netherlands, France, and the United States to deliver integrated advice on the full cross-border wealth tax picture.

See also our guides on inheritance tax for foreigners in Spain, non-resident income tax (IRNR), and the Beckham Law for internationally mobile professionals considering Spanish tax residency.