Joint vs Individual Ownership in Portugal: UK Tax, CGT & Inheritance Rules for Couples

Understanding Portuguese Matrimonial Property Regimes

When a British married couple buys property in Portugal, they encounter a fundamental legal question that most UK buyers never face: how should the property be titled? The answer depends on understanding Portuguese matrimonial law-a system that often surprises UK purchasers accustomed to English property law's approach to spousal ownership.

Portugal operates two primary matrimonial property regimes: the regime of community of accrued gains (the default) and the regime of separation of property. The choice between them determines not only who owns what legally, but also carries profound implications for capital gains tax, inheritance tax, and succession planning. Most British couples purchase Portuguese property without explicitly choosing a regime, which means they inadvertently accept Portugal's default-often to their later regret.

• Portuguese matrimonial regimes are fundamentally different from UK property law
• Community of accrued gains is the default regime unless you explicitly opt out
• Separation of property requires deliberate election via formal Portuguese deed
• The choice between regimes affects inheritance, CGT, and succession planning
• Professional advice before purchase prevents costly restructuring later

The Default Regime: Community of Accrued Gains

Unless spouses deliberately opt otherwise, Portuguese law presumes community of accreted gains (comunhão de adquiridos). Under this regime, property and other assets acquired during the marriage-regardless of whose name appears on the deed-are treated as jointly owned on a 50/50 basis. Pre-marital property, gifts, and inheritances remain separate.

This regime can create unexpected complications. Suppose you and your spouse buy a villa in the Algarve during your marriage, and title it in one spouse's name alone. Under Portuguese law, both spouses have a legal claim to 50% of that property. Neither spouse can sell without the other's consent. More troublingly, if one spouse predeceases, the deceased's 50% share does not automatically pass to the surviving spouse-it passes according to the deceased's will or (if there is no will) Portuguese intestacy law, which may allocate it to children, parents, or other heirs. For couples with complex family circumstances, this can be deeply problematic.

The regime also creates ambiguity for UK tax purposes. HMRC treats spouses as beneficially owning property in proportion to their legal interest, not necessarily in proportion to their names on the deed. If a property is jointly owned under Portuguese law but titled in one spouse's name in the UK records, inconsistencies can emerge during tax compliance or estate administration.

Opting for Separation of Property

Couples can elect separation of property (separação de bens) either before or after marriage by executing a Portuguese notarial deed. Under this regime, each spouse retains entirely separate ownership of property acquired during marriage, as if unmarried. Pre-marital property and assets acquired by gift or inheritance remain separate in both regimes.

Separation of property offers clarity and simplicity. If you hold property in your sole name, it is yours alone-not jointly owned. Your spouse has no legal claim to it upon your death (unless you will it to them). You can sell or encumber it without spousal consent. This certainty appeals strongly to many British purchasers.

However, separation of property is not automatically advantageous from a tax perspective. It depends on your broader circumstances: residency, domicile, inheritance goals, and whether you anticipate selling at a gain.

• Separation of property can be elected before or after marriage
• Individual ownership eliminates joint ownership complications
• No spousal consent required to sell or mortgage the property
• Tax efficiency depends on your residency and inheritance goals
• Formal documentation is essential to preserve separate status

{{INSET-CTA-1}}

Capital Gains Tax Implications

Portuguese property sales trigger capital gains tax in Portugal, and potentially in the UK as well-depending on your residency and domicile status.

Non-residents of Portugal (including UK residents) who sell Portuguese property face Portuguese CGT at rates up to 28% plus municipal surtax (reaching approximately 30-32% combined in some municipalities). This applies whether the property is held jointly or individually. The gain is calculated as sale price minus cost base, without reliefs available to UK residents (such as principal private residence exemption).

If you are a UK resident and domiciled in the UK, you are also liable to HMRC on gains from Portuguese property sales. The UK treats the gain as arising in the year of sale, taxable at 20% (higher rate) or 10% (basic rate for certain individuals), plus any applicable surcharge. A double-taxation treaty between the UK and Portugal may provide some relief, but relief is not automatic-it requires careful handling of tax filings in both countries.

The choice between joint and individual ownership does not directly change your CGT rate. However, it affects how the gain is apportioned if you sell. Under joint ownership, each spouse is taxable on 50% of the gain in their own hands, which may be advantageous if one spouse is a basic-rate taxpayer and the other is a higher-rate taxpayer (enabling the basic-rate spouse to absorb the gain at lower rates). Under individual ownership, 100% of the gain is taxable to the sole owner. In some circumstances, the former is more tax-efficient; in others, it makes little difference. Professional advice is essential.

Inheritance Tax and Succession Planning

For UK-domiciled individuals, Portuguese property forms part of their worldwide estate for UK inheritance tax purposes. The UK taxes worldwide assets if you are domiciled in the UK, regardless of where the property is located.

If property is held in joint names and one spouse predeceases, the surviving spouse's inheritance tax position depends on how the property is treated under Portuguese law. If the property is truly jointly owned under community of accrued gains, the deceased's 50% share passes by succession (not automatically to the survivor), and is valued in the estate at 50% of the property's value. The survivor inherits their own 50% (not by gift, but by operation of law), which is not subject to inheritance tax but does form part of their estate upon their own death.

If property is held individually by the deceased spouse, 100% of the property's value is included in their estate. If it passes to the surviving spouse by will, it qualifies for the spouse exemption and is not subject to inheritance tax upon the first death. However, upon the second death, the property (now in the survivor's hands) is subject to inheritance tax at 40% above the nil-rate band.

Conversely, if individual ownership is structured through a Portuguese or UK holding company or discretionary trust, the property may be held outside your personal estate, avoiding inheritance tax upon your death (depending on the trust structure and domicile rules). This route requires expert structuring and ongoing compliance, but can be valuable for larger estates or blended family situations.

Residency Status and Tax Consequences

Your Portuguese tax treatment-and your UK tax treatment-depends partly on residency status. Portuguese residents face different rules to non-residents. Similarly, your UK tax position depends on whether you remain a UK resident for tax purposes (determined by the Statutory Residence Test) and whether you remain UK-domiciled for inheritance tax purposes (domicile is a complex concept, not the same as residency).

If you move to Portugal and become a Portuguese tax resident, you may benefit from Portuguese non-resident taxation for property if you maintain non-resident status for Portuguese purposes while becoming a UK non-resident. This creates opportunities for tax planning that simply do not exist if you remain a UK resident throughout. The interaction between Portuguese residency and UK residency rules is subtle and requires careful attention, particularly where property is concerned.

Key Considerations Before Purchase

Before committing to Portuguese property, consider the following:

• Establish your likely residency trajectory. Will you move to Portugal, or remain UK-based? This fundamentally affects your tax exposure and succession planning.
• Decide whether joint or individual ownership aligns with your inheritance wishes. Do you want the surviving spouse to receive the property automatically upon your death, or to pass according to your will? Do you have children from previous relationships?
• Understand your domicile position. Are you domiciled in the UK for inheritance tax purposes? If so, Portuguese property is part of your worldwide estate.
• Document your choice of matrimonial regime explicitly. Do not assume that titling property in one spouse's name achieves separation of property—it does not under Portuguese law unless you execute a formal deed.
• Consider tax planning structures. For larger properties or where inheritance tax is a concern, structures such as Portuguese holding companies or properly constituted discretionary trusts may be advantageous.
• Engage both a Portuguese lawyer and a UK tax adviser. Neither alone can provide adequate guidance; you need both perspectives.

{{INSET-CTA-2}}

Practical Steps and Restructuring

If you have already purchased without proper planning, restructuring is possible but comes at a cost. You can execute a Portuguese deed electing separation of property, or transfer ownership from one spouse to another or into a holding structure. Each option carries Portuguese transfer tax implications (typically 0.8% of transaction value, though rates vary by municipality) and may trigger CGT if there is an unrealised gain. Professional advice on the timing and structure of any restructuring is essential.

Moreover, if your purchase was structured incorrectly for inheritance tax purposes, retrospective planning may be limited. Inheritance tax planning is most effective when executed before property is acquired, not after.

Structuring for Both Jurisdictions

The most effective approach is to structure Portuguese property ownership with both Portuguese law and UK tax law in mind from the outset. This typically means:

• Electing an explicit matrimonial regime (usually separation of property for clarity and tax flexibility).
• Considering whether individual ownership or holding-company ownership best aligns with your inheritance goals and tax position.
• Documenting any funding from separate funds or pre-marital assets to preserve separate status where intended.
• Reviewing your residency plans and how they interact with tax residence rules in both Portugal and the UK.
• Integrating Portuguese property into your broader UK estate plan, ensuring wills in both jurisdictions coordinate rather than conflict.

This proactive approach costs more upfront but prevents far costlier mistakes later.

Conclusion

Joint or individual ownership of Portuguese property is not a neutral choice. It carries lasting consequences for capital gains tax, inheritance tax, and succession planning. The Portuguese regime you accept (whether by deliberate election or default) determines your legal rights, your tax obligations, and ultimately, what your heirs will receive.

British couples buying in Portugal often underestimate the complexity of cross-border property ownership. The cost of professional advice before purchase-from both a Portuguese lawyer and a UK tax adviser-is trivial compared to the cost of correcting a poor structure, or worse, discovering years later that your inheritance or tax position is not what you intended. Treat the structuring decision as a core component of your purchase, not as an afterthought. The time to plan is now, before you exchange contracts.

At Skybound Wealth, we specialise in guiding British expats through the complexities of Portuguese property ownership, tax residency, and cross-border estate planning. Our Chartered FCSI specialists coordinate with Portuguese legal advisers to ensure your ownership structure aligns with both Portuguese law and your UK tax position. If you are buying Portuguese property or restructuring existing ownership, a professional review with our team protects your wealth and prevents costly mistakes. Book a conversation with us to discuss your specific circumstances and ensure your structure is right for your goals.