Key Takeaways
- Spanish inheritance tax depends on four variables: the inheritance amount, the heir’s relationship to the deceased, the heir’s pre-existing wealth, and which autonomous community applies.
- In Andalucía, close family inheriting under €1M pay effectively zero. The per-heir exemption eliminates tax for most spouse/child inheritances.
- Use the official Modelo 650 form to calculate your liability. The Junta de Andalucía provides an online calculator at the regional tax office website.
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Key Takeaways
- Worked calculation: a nephew inheriting EUR 300,000 (Group III, no 99% bonification) pays approximately EUR 84,855 in ISD after the 1.5882 multiplier is applied
- Contrast: a UK-resident adult child inheriting the same EUR 300,000 Andalucía property pays approximately EUR 514 after Andalucía’s 99% bonification
- An unmarried partner inheriting EUR 250,000 as Group IV (‘strangers’) pays approximately EUR 85,433 — the 2.0x Group IV multiplier doubles the gross tax before any relief
- Non-residents can now access Andalucía’s regional relief following ECJ case C-127/12 (3 September 2014) and the Ley 26/2014 reforms — but correct filing via Modelo 650 is required
- State-level tariff brackets top out at 34% and apply before multipliers — the relationship group coefficient is the key variable that separates a near-zero bill from a six-figure one
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Worked Example 3: Non-resident nephew (Group III) inherits a holiday home worth EUR 300,000 (no 99% bonification)
This is the scary one. A nephew is Group III. In Andalucía, the generous 99% relief is aimed at Groups I and II (spouse/children/parents). A nephew often does not get the same treatment, and the multiplier is also much harsher.
Scenario: Non-resident nephew inherits a single holiday home in Spain. The home’s valor de referencia — reference value is EUR 300,000.
Assumptions:
- Relationship group: Group III (nephew/niece = collateral 2nd/3rd degree).
- State reduction for Group III: EUR 7,993.46 (Ley 29/1987, Article 20(2)(a)).
- Pre-existing wealth under EUR 402,678.11 → Group III multiplier 1.5882 (Ley 29/1987, Article 22(2)).
- No Andalucía 99% bonification assumed for this Group III scenario.
Step-by-step calculation
- Valor de referencia — reference value: EUR 300,000
- Base imponible — taxable base: EUR 300,000
- Reducción — allowance (Group III): EUR 7,993.46
- Base liquidable — tax base: EUR 300,000 − EUR 7,993.46 = EUR 292,006.54
- Tariff bracket: EUR 292,006.54 is in the EUR 239,389.13 to EUR 398,777.54 bracket (fixed EUR 40,011.04 plus 25.50% of remainder).
- Cuota íntegra — gross tax: EUR 40,011.04 + 25.50% × (EUR 292,006.54 − EUR 239,389.13) = EUR 53,428.48
- Multiplier: Group III coefficient 1.5882 → tax liability = EUR 53,428.48 × 1.5882 = EUR 84,855.11
- Regional bonification: none assumed → final ISD = EUR 84,855.11
What nobody tells you: the jump is not just “a bit more tax”. It’s a different world. This is why “we’ll sort it out later” is a risky plan if your Spanish assets might end up going to nephews, stepchildren, or an unmarried partner.
Related: Spanish Inheritance Tax on Property: What Heirs Actually Pay and Spanish Inheritance Tax for Non-Residents.
Worked Example 4: UK resident inherits Spanish property (non-resident filing + Andalucía relief after 2014)
Scenario: A UK resident (not tax resident in Spain) inherits an Andalucía property. They must normally file Spanish inheritance tax as a non-resident, commonly using Modelo 650 — inheritance tax return (and supporting inventory/attachments). The deadline is usually 6 months from death, and you can request an extension in many cases (this is one of the easiest deadlines to miss when the death happens abroad).
The big “foreigners” issue: non-residents used to be blocked from regional relief. After the EU Court of Justice ruling (3 September 2014, Commission v Spain, Case C-127/12) and subsequent Spanish reforms (including Ley 26/2014), non-residents can often apply Andalucía’s relief for Andalucía assets — but you must use the correct connecting factor and file correctly.
Numbers example (UK resident adult child inheriting): property valor de referencia — reference value is EUR 300,000.
- Reference value: EUR 300,000
- Taxable base: EUR 300,000
- Allowance (state Group II): EUR 15,956.87
- Tax base (after allowances): EUR 284,043.13
- Gross tax: EUR 51,397.81 (Article 21 tariff)
- Multiplier: Group II and pre-existing wealth under EUR 402,678.11 → 1.0000 → tax liability = EUR 51,397.81
- Andalucía 99% bonification (tax credit/relief): final = EUR 51,397.81 × 1% = EUR 513.98
Practical filing notes for non-residents:
- Expect to provide death certificate, will, notarial deed of acceptance/partition where relevant, NIEs for heirs, and the property details that support the declared value.
- Non-resident cases often need extra paperwork (apostilles, sworn translations, bank certificates). Build this into your timeline.
- If your situation is cross-border (UK will + Spanish will, or UK probate plus Spanish property), start with the process overview in Probate in Spain: Complete Guide for Expats.
Worked Example 5: Unmarried partner inherits EUR 250,000 (Group IV, highest rates, no bonification)
Scenario: An unmarried partner (not registered as spouse and not qualifying as a close relative for ISD groups) inherits a property valued at EUR 250,000. In the state grouping, this is commonly treated as Group IV (extraños — strangers) for the basic rules: no relationship reduction, and the highest multiplier band.
Assumptions:
- Group IV: no state reduction (Ley 29/1987, Article 20(2)(a)).
- Pre-existing wealth under EUR 402,678.11 → Group IV multiplier 2.0000 (Ley 29/1987, Article 22(2)).
- No regional bonification assumed.
- Reference value: EUR 250,000
- Taxable base: EUR 250,000
- Allowances: none (Group IV)
- Tax base (after allowances): EUR 250,000
- Gross tax: EUR 42,716.81
- Multiplier: 2.0000 → tax liability = EUR 42,716.81 × 2.0000 = EUR 85,433.62
- Regional bonification: none assumed → final ISD = EUR 85,433.62
Why expats should care: if your “real” plan is for your partner to stay in the home, but your paperwork says something else (or you have forced-heirship exposure), the tax bill can become part of the crisis.
Next reads: Forced Heirship in Spain and Spanish Wills Complete Guide (2026).
Andalucía vs other regions (why your Spanish address matters)
ISD is a state tax with heavy regional control. If you inherited in Andalucía and your friend inherited in Valencia, you can both be “right” about what the tax costs — you’re just in different regions. If your assets are in Andalucía (Málaga, Marbella, Estepona, Fuengirola, Nerja, etc.), use our region-specific guide: Spanish Inheritance Tax in Andalucía: Regional Rates and Bonifications.
FAQ: Spanish inheritance tax calculator for expats
Is this a real Spanish inheritance tax calculator?
It’s a calculator method, not a tool. Spanish ISD depends on valuation, relationship group, pre-existing wealth, region, and residency factors. The safest way to understand your exposure is to work through a similar example and swap in your numbers.
What is “valor de referencia” and why does it matter?
Valor de referencia — reference value is the tax authority’s reference valuation for property. For many property-related taxes in Spain, it is the figure Hacienda expects you to use (or at least defend against). If you inherit Spanish property, this number often drives the inheritance tax calculation.
Do spouses and children really pay almost nothing in Andalucía?
Often, yes — because Andalucía commonly applies a 99% bonificación — tax credit/relief for Groups I and II, meaning you pay roughly 1% of the calculated liability (subject to the exact current rules and eligibility). The examples above show how that plays out numerically.
I’m not resident in Spain. Do I still pay Spanish inheritance tax?
Yes, if you inherit assets located in Spain (like Spanish property), Spain can charge ISD under obligación real — real obligation to contribute. Non-residents commonly file using Modelo 650 — inheritance tax return. The key issue is which regional rules you can apply; since 2014 and later reforms, non-residents can often access regional relief, but you must apply the correct connecting rule.
Why is inheriting as a nephew or partner so expensive?
Because (1) the state reduction is smaller or zero (Article 20), (2) the progressive tariff still applies (Article 21), and (3) the multiplier is much higher for Groups III and IV (Article 22). In our nephew example, the multiplier turns a EUR 53,428.48 gross tax into EUR 84,855.11 before any relief.
Where do I go next if my situation is complicated (multiple heirs, wills, UK probate)?
Start with Probate in Spain: Complete Guide for Expats, then read Spanish Inheritance Tax for Non-Residents. If your core asset is property, read Spanish Inheritance Tax on Property.
Sources and legal references (plain list)
- Ley 29/1987 (BOE-A-1987-28141), Article 20 — state reductions by relationship group.
- Ley 29/1987, Article 21 — tariff (progressive brackets).
- Ley 29/1987, Article 22 — multiplier coefficients by pre-existing wealth and group.
- EU Court of Justice: 3 September 2014, Commission v Spain, Case C-127/12, and later Spanish legislative changes (including Ley 26/2014) affecting non-residents’ access to regional rules.
Internal note: If you want to see how these worked examples connect to your will choices (who inherits, and under which law), read Spanish Wills Complete Guide (2026) and Forced Heirship in Spain.
