What the IFI actually does

A French tax resident who buys an apartment in Lisbon does not escape the impôt sur la fortune immobilière. They add to it.

The IFI applies to a French tax resident’s worldwide real estate. A Portuguese property enters the base alongside French holdings, and if the combined net value exceeds €1.3 million, it is taxed at 0.5% to 1.5%. No provision of the France-Portugal tax treaty neutralizes this.

The inversion that French buyers are frequently sold only works if you actually leave. Once you cease to be French tax resident, the IFI narrows to French-situs real estate only — your Portuguese property and your entire financial portfolio fall outside it.

Buying in Portugal and moving to Portugal are two different decisions with opposite consequences for the IFI, and a great deal of French-language content on this market blurs them.

What follows separates them.

What EU citizenship removes

Worth stating first, because it makes the French position structurally simpler than any other nationality buying in Portugal.

No visa. No residence permit. No Golden Visa. No 90/180 day limit. As an EU citizen you may enter, live, and work in Portugal freely, registering with the local câmara municipal after three months. The entire residency architecture that dominates the Portuguese market for British, American, and Gulf buyers is irrelevant to you.

The Golden Visa, the ten-year citizenship period introduced in May 2026, the AIMA processing backlog, the Entry/Exit System now tracking Schengen stays biometrically — none of it applies.

The French decision is therefore purely fiscal and practical. That is a considerable advantage, and it means the analysis can go straight to the money.

The IFI, properly

The distinction that governs everything:

If you remain French tax resident, the IFI base is your worldwide net real estate. A €900,000 villa in Comporta sits in the same base as your Paris apartment. Cross €1.3 million in total and the scale applies, running from 0.5% to 1.5%. Financial assets — portfolios, holdings, liquidity — remain outside the base wherever they are, since the IFI reaches real estate and nothing else.

If you become Portuguese tax resident, the IFI base narrows to French-situs real estate. A French family resident in Cascais, owning a rental building in Lyon, shares, and cash in Portugal, is assessed on IFI only against the Lyon building. The Portuguese house and the entire financial position fall out.

Debt is deductible. Loans taken to acquire or improve a property reduce the IFI base for the duration. That makes a non-resident mortgage structurally useful in a way it is not for buyers from other jurisdictions — it funds the acquisition and reduces the taxable base simultaneously.

And a common error worth naming. Many French expatriates believe the IFI disappears on departure. It does not. French real estate above €1.3 million net remains assessable regardless of where you live.

What Portugal does not have

No equivalent of the IFI. Portugal levies no annual tax on the holding of a significant estate, whatever its value.

The nearest thing is AIMI, and the comparison flatters Portugal considerably. It applies only to Portuguese residential property and building land above €600,000 per person, or €1.2 million for a married couple, at 0.7% to 1.5%. It is assessed on VPT — the tax-assessed value — rather than market value, which for prime property is frequently a fraction of the purchase price. IMI adds roughly 0.3% to 0.45% of VPT, set municipally.

Investment portfolios, business holdings, art, and vehicles fall entirely outside Portuguese wealth taxation.

A €5 million French property attracts roughly €35,700 annually under the IFI. A €5 million Portuguese property, held by someone not French tax resident, attracts AIMI on a tax value that may be €1.5 million or less — a few thousand euros, or nothing.

Succession

The second structural difference, and over a generation the larger one.

Portugal levies no inheritance tax. The imposto do selo that applies to gratuitous transfers at 10%, plus 0.8% on real estate, does not apply between parents and children, or to a spouse or ascendants. For a family passing property down the direct line, the Portuguese cost is effectively nil.

France taxes direct-line succession on a progressive scale reaching 45% at the margin, after allowances.

Both countries apply forced heirship — the réserve héréditaire in France, the legítima in Portugal — and both sit within the EU Succession Regulation, which permits an individual to elect the law of their nationality to govern their entire estate. The election must be made expressly in a valid disposition; a standard notarial will does not achieve it.

The treaty, and why Portugal behaves differently

The France-Portugal convention dates from 1971, with a 2016 amendment, and it contains a feature French investors should understand because it differs from the arrangements with Spain or the United States.

Those treaties use the tax credit method: tax paid locally is credited against French tax on the same income.

The France-Portugal convention uses the effective rate method. Portuguese-source income is exempt from French taxation, but it is taken into account in determining your average rate — so it raises the rate applied to your other income without being taxed directly.

The practical effect for a French resident with Portuguese rental income: the income is not taxed twice, but it pushes your French marginal rate up. On a modest Portuguese rental this is a few hundred euros a year. On a substantial position it is material, and it should be modeled rather than assumed neutral.

If you stay French resident

The realistic position for a French investor buying Portuguese rental property without relocating.

Portuguese rental income is taxed at a flat 25% on net residential lettings for non-residents, 28% on non-residential. Yields in Portugal have been running in the region of 4.5% to 6.5% gross depending on city and segment, with Lisbon lowest at around 4.3% and secondary cities materially higher.

Portuguese capital gains for non-residents are assessed on 50% of the gain, aggregated with your worldwide income at Portuguese progressive rates — mandatory aggregation applies, and the former flat 28% rate was revoked in 2023. A great deal of published guidance is still wrong about this.

The property enters your IFI base, as above.

And French taxation applies by the effective rate method, raising your average rate without direct taxation.

IFICI is unavailable to you. The regime that replaced NHR requires Portuguese tax residency, a qualifying degree at EQF level 6 or above, and a designated high-skilled activity performed in Portugal. A French investor buying a rental property without moving qualifies for nothing.

The honest conclusion: for a French resident who stays in France, Portugal is a reasonable European property market with clear treaty treatment and an EU legal framework. It is no longer a tax play.

If you move

Here the picture changes materially, and in two directions.

What improves. The IFI narrows to French-situs property. No Portuguese wealth tax applies to your financial position. Succession in the direct line becomes free. And — a point frequently missed — social charges on French rental income fall from 17.2% to 7.5% for residents of an EU or EEA state, which is a direct saving on any French property you retain.

What does not. French real estate remains taxed in France: rental income at a minimum rate of 20%, rising to 30% above roughly €29,579 of net taxable income, and capital gains at 19% plus social charges, regardless of where you live.

And what gets worse. Portuguese tax residency brings worldwide income into the Portuguese net at progressive rates reaching 48%, with the top band applying above roughly €86,634 of taxable income in 2026. Portuguese residents are also taxed on 50% of capital gains on property wherever situated — including French property — aggregated into the progressive scale.

For retirees the position is now poor. NHR closed to new applicants and IFICI excludes pension income entirely. A French retiree relocating to Portugal in 2026 is taxed on pensions at the Portuguese progressive scale with no flat-rate ceiling. The pure fiscal argument for retirement in Portugal, which drove a decade of French relocation, no longer exists.

Government and civil service pensions are treated differently under the treaty and frequently remain taxable only in France, which changes the position for former public sector employees and requires specific advice.

There is also an exit consideration. France applies an exit tax on certain holdings when tax residency ceases. It concerns securities and participations rather than real estate, but any French family with substantial corporate or portfolio holdings should model it with French counsel before departure rather than after.

Where French buyers actually are

French nationals rank among the top three foreign buyer nationalities in Portugal alongside Brazil and Angola on Banco de Portugal data, and the relationship runs deeper than most: France hosts one of the largest Portuguese diaspora populations in the world, and a meaningful share of French purchasers in Portugal have Portuguese family connections.

Henley recorded France moving from outside its top 40 source nationalities for wealth migration enquiries in 2024 into its top 15 by 2026.

Comporta, Melides, and the Alentejo coast are where French buyers concentrate at the top of the market, alongside Swiss, Belgian, and Portuguese purchasers. Prime property there has been recorded between roughly €6,800 and €10,700 per square meter, with scarcity that is structural rather than commercial — seven decades of concentrated ownership followed by nature reserve density caps.

The Silver Coast, around Óbidos, Peniche, and Caldas, records foreign buyers at roughly 55% of transactions, with French purchasers behind only Americans. Clifftop golf resorts, an hour from Lisbon airport, at pricing well below the Algarve or Cascais.

Cascais and Estoril for families, with most of Portugal’s international schooling in one corridor and a town that functions year-round.

Lisbon for a city position, where prime neighborhoods run €7,000 to €10,000 per square meter and the city-wide average sits around €5,900 — below nineteen other European cities on comparable measures.

Secondary cities for yield: Braga at 5.3% gross, Coimbra at 6.4%, against Lisbon’s 4.3%.

Acquisition costs

From 1 September 2026, under Decree-Law No. 97/2026, buyers who are not Portuguese tax residents pay a flat 7.5% IMT on residential property, with no exemptions or reductions, plus 0.8% stamp duty. With notary, registration, and legal fees, total acquisition cost lands around 9% to 10% of price, none of it financeable.

A partial refund is available where the buyer becomes Portuguese tax resident within two years, or lets the property under moderate-rent conditions.

That change bears directly on the French investor who intends to keep their French residence, since it is precisely the non-tax-resident position it taxes.

Portuguese banks lend to non-residents at typically 60% to 70% of the lower of price and valuation. Banco de Portugal tightened the framework on 1 August 2026, cutting the maximum debt-service ratio to 45% of net income — and French mortgage commitments count in full against that ceiling.

You will need a Portuguese tax number, obtainable without a fiscal representative since France is an EU member state.

Connectivity

Dense and year-round. Direct service to Lisbon from Paris, Lyon, Bordeaux, Toulouse, Nice, Marseille, and Nantes, with Porto and Faro served from multiple French cities. Flight times run roughly two to two and a half hours.

For a second home used regularly rather than seasonally, that density matters more than almost any feature of the property itself, and it is the practical reason the French presence in Portugal is as established as it is.

Sequencing

Decide whether you are moving. It is the only question that matters for the IFI, and it changes the acquisition rate, the income position, and the succession outcome.

Model the IFI both ways with French counsel before purchasing, including the deductibility of acquisition debt.

Confirm the treaty treatment of each income stream, particularly pensions, and particularly if any pension is a public sector one.

If relocating, model the exit position for any corporate or portfolio holdings before departure.

Then buy, with the acquisition cost confirmed at deposit plus roughly 9% and the Portuguese tax number obtained early.

How Luznur Capital works with French clients

Luznur Capital, a trading name of Lusomena Investments, Unipessoal Lda., is a real estate brokerage and advisory firm licensed by IMPIC under AMI 22354 and a registered member of APEMIP.

Sequencing the residency question before the property one. Whether a client remains French tax resident determines the IFI position, the acquisition rate, and the succession outcome. That is settled with legal and tax partners before viewings, not after an offer.

Coordination with French counsel rather than replacement. The binding constraints on a French buyer are usually French ones. Portuguese legal and tax partners work alongside a client’s existing advisors so the Portuguese position is designed around the French one.

Matching the market to the requirement. French buyers arrive with Comporta and Cascais in mind, and a substantial number are better served by the Silver Coast, the Setúbal peninsula, or a secondary city, depending on whether the objective is use, yield, or succession.

Off-market access. In Comporta, Melides, prime Lisbon, and Cascais, a meaningful share of the better property never reaches a portal. Sourcing against a defined brief produces a different shortlist than a public search.

FAQ

Does buying property in Portugal remove me from the IFI?
Not if you remain French tax resident. The IFI applies to worldwide real estate, so a Portuguese property enters the base alongside your French holdings, and no provision of the France-Portugal treaty neutralizes it. Only ceasing to be French tax resident narrows the base to French-situs property.

What happens to my IFI if I move to Portugal?
The base narrows to French real estate only. Your Portuguese property and your entire financial position fall outside it. French real estate above €1.3 million net remains assessable regardless of where you live — a point many expatriates get wrong.

Do French citizens need a visa or Golden Visa for Portugal?
No. As EU citizens, French nationals may enter, live, and work in Portugal freely, registering with the local municipality after three months. The Golden Visa, the ten-year citizenship period, the AIMA backlog, and the Schengen 90/180 rule are all irrelevant to French buyers.

Does Portugal have a wealth tax?
Nothing equivalent to the IFI. AIMI applies only to Portuguese residential property and building land above €600,000 per person, or €1.2 million for a married couple, at 0.7% to 1.5%, and is assessed on tax-assessed value rather than market value. Financial assets, portfolios, and business holdings fall entirely outside it.

How does inheritance tax compare between France and Portugal?
Portugal levies no inheritance tax, and the stamp duty applying to gratuitous transfers does not apply between parents and children, to a spouse, or to ascendants. France taxes direct-line succession on a progressive scale reaching 45% at the margin after allowances.

How does the France-Portugal tax treaty work?
The 1971 convention, amended in 2016, uses the effective rate method rather than a tax credit. Portuguese-source income is exempt from French tax but is taken into account in determining your average rate, raising the rate applied to your other income. This behaves differently from the Spanish and US treaties, which use the credit method.

Can a French investor use the IFICI regime?
Only if they become Portuguese tax resident and meet the conditions — a qualifying degree at EQF level 6 or above and a designated high-skilled activity performed in Portugal each year. A French resident buying Portuguese rental property without relocating qualifies for nothing.

Is Portugal still good for French retirees?
On tax, no. NHR closed to new applicants and IFICI excludes pension income entirely, so a French retiree relocating in 2026 is taxed on pensions at Portuguese progressive rates reaching 48% with no flat-rate ceiling. Government and civil service pensions are treated differently under the treaty and require specific advice.

Do social charges change if I move to Portugal?
Yes, favorably. Social charges on French rental income fall from 17.2% to 7.5% for residents of an EU or EEA state. That is a direct saving on any French property retained after relocating, independent of Portuguese taxation.

Where do French buyers purchase in Portugal?
Comporta, Melides, and the Alentejo coast at the top of the market, where French buyers concentrate alongside Swiss, Belgian, and Portuguese purchasers. The Silver Coast around Óbidos and Peniche, where French buyers rank behind only Americans in a market that is 55% foreign. Cascais and Estoril for families, and Lisbon for a city position.

What does it cost to buy in Portugal as a French non-resident?
From 1 September 2026, a flat 7.5% IMT with no exemptions plus 0.8% stamp duty, with notary, registration, and legal fees bringing the total to roughly 9% to 10% of price. A partial refund is available if you become Portuguese tax resident within two years.

Is this article tax advice?
No. It presents general information as of September 2026 on French and Portuguese rules, both of which changed materially in recent years. Positions depend on residence, income composition, asset structure, and treaty treatment, and require qualified advice in both jurisdictions.

DISCLAIMER

Important information

This article is provided for general information only and reflects publicly available regulatory and tax information as of September 2026. It does not constitute tax, legal, investment, or financial advice in any jurisdiction.

French and Portuguese tax provisions are summarized at a general level and necessarily omit conditions, thresholds, allowances, reliefs, and exceptions. Outcomes depend on individual circumstances including residence, domicile, income composition, asset structure, marital status, and the specific article of the France-Portugal convention of 1971, as amended in 2016, applicable to a given source of income. Pension treatment in particular differs between private and public sector pensions.

The French exit tax, the deductibility of debt for IFI purposes, and the treatment of holdings through corporate structures all involve conditions not described here. Portuguese provisions referenced, including Decree-Law No. 97/2026 and the IFICI regime, are subject to amendment, and Portugal has revised rules affecting foreign investors repeatedly since 2023.

Property market figures derive from published indices and research using differing methodologies and are indicative rather than valuations. Yield figures are gross and before costs, voids, and taxation.

Luznur Capital is a trading name of Lusomena Investments, Unipessoal Lda., a real estate brokerage and advisory firm licensed by IMPIC under AMI 22354 and a registered member of APEMIP. It is not a law firm or tax practice, and does not advise on French law. Independent professional advice must be obtained in both jurisdictions before any acquisition, structuring, or relocation decision.

General information as of September 2026, not tax or legal advice. French and Portuguese treatment depends on residence, income composition, and the applicable treaty article — pension treatment in particular varies. Obtain qualified advice in both jurisdictions. Luznur Capital (Lusomena Investments, Unipessoal Lda., AMI 22354).

Buying in Portugal from France

Whether you remain French tax resident is the question that decides the IFI, the acquisition rate, and the succession outcome — and it should be settled before a property is identified rather than after.

Luznur Capital, a trading name of Lusomena Investments, Unipessoal Lda. (AMI 22354), advises international buyers and investors across Lisbon, Cascais, Sintra, the Setúbal peninsula, Comporta and the Alentejo, the Algarve including Quinta do Lago and Tavira, the Silver Coast, Porto and Braga, the Douro and the Minho, and Madeira, including off-market opportunities, with coordinated legal, tax, and immigration partners — and on mandates of any size in any region of mainland Portugal and the islands.

To discuss a specific mandate, contact info@luznurcapital.com.

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