Expat Financial Planning in France: A Complete Guide

France is one of the most popular destinations for UK expats — particularly retirees, those working in the creative industries, or internationally mobile families attracted by the quality of life, climate, and European connectivity. The French tax system is sophisticated and, in some areas, generous. However, it also carries significant complexity: multiple routes to tax residency, social contributions on investment income, and stringent inheritance rules mean that financial planning before and after arriving in France is essential.

Disclaimer: This guide is for general information only. Tax legislation and residency rules change, and individual circumstances vary significantly. This guide reflects the position as understood in 2026. You should seek qualified, personalised professional advice before making any financial, tax, or residency decisions.

---

Tax Residency in France

Unlike countries that rely solely on a days-based test, France uses four independent criteria for tax residency. Satisfying any one of the following is sufficient to make you a French tax resident for that year:

1. Principal residence (foyer): Your principal home — or the home of your family (spouse and dependent children) — is in France, regardless of where you spend most of your time.
2. Professional activity: You carry out a professional activity (employed or self-employed) in France, unless that activity is merely ancillary.
3. Centre of economic interests: Your main investments, business interests, or the source of the majority of your income is in France.
4. Physical presence: You spend more than 183 days in France during the calendar year.

This broad approach means that UK nationals who spend significant time in France, who have a spouse or family in France, or who own a business with French activities, may become French tax residents even if they believe they remain UK-resident. The interaction with UK domestic residency rules (the UK Statutory Residence Test) must be carefully managed to avoid inadvertent dual residency.

---

French Income Tax

French income tax (impôt sur le revenu, or IR) is levied at progressive rates on worldwide income for French tax residents. The current rates (as of 2026) are:

Taxable Income (€) per part	Rate
0 – 11,600	0%
11,601 – 29,579	11%
29,580 – 84,577	30%
84,578 – 181,917	41%
Over 181,917	45%

The quotient familial system is a distinctive feature of French income tax. Married couples are taxed jointly on their combined income, which is divided by a number of "parts" (quotient). A couple with no children has 2 parts; each of the first two children adds 0.5 parts; the third child adds a full part. This system can significantly reduce the effective tax rate for families with children and is one reason France has historically had a favourable environment for larger families.

The flat tax (PFU or prélèvement forfaitaire unique) at 30% (12.8% income tax + 17.2% social contributions) generally applies to investment income — dividends, interest, and capital gains — though taxpayers can elect to apply the standard progressive scale if that is more favourable.

---

Social Contributions: CSG and CRDS

In addition to income tax, French tax residents pay CSG (Contribution Sociale Généralisée) and CRDS (Contribution au Remboursement de la Dette Sociale) on investment income and employment income. The combined rate on investment income is 17.2%, which is substantial.

For UK nationals post-Brexit, the position is nuanced. Individuals not affiliated to the French social security system — which may apply to those covered by a UK National Insurance record or by private health insurance — may benefit from a reduced rate (7.5%) rather than the full 17.2%, based on case law and French administrative practice that has evolved since Brexit. This is a complex and evolving area where specialist advice is important.

Social contributions on employment income are a separate and extensive system of charges, broadly comparable to National Insurance contributions in the UK, and are generally non-negotiable for employees working in France.

---

UK Pensions in France

UK State Pension: This is taxable in France as your country of residence under the UK-France Double Taxation Convention (DTT). You declare it on your French return and claim a tax credit for any UK tax withheld (though the State Pension is usually paid gross).

UK private and workplace pensions: Generally taxable in France under the DTT. France has the primary taxing right as your country of residence; relief for any UK tax deducted at source is available. You should notify your UK pension provider and HMRC of your French residence status to ensure pensions are paid gross or with minimal UK withholding, to avoid the administrative burden of reclaiming excess UK tax.

UK government service pensions: Pensions paid to former employees of the UK government (civil servants, NHS employees on government terms, armed forces, police, and teachers in state schools) are taxable only in the UK under the DTT, not in France. These pensions are still declared on the French return but are excluded from French taxable income and do not attract French income tax. They are, however, taken into account when calculating the French progressive tax rate on other income (the "taux effectif" rule).

---

Assurance Vie

Assurance vie is the single most important tax planning vehicle available to French residents. It is a life insurance wrapper under which you hold an investment portfolio — typically a range of unit-linked funds, bonds, and guaranteed funds (fonds en euros). The key tax advantages are:

• Tax deferral: No tax is charged on growth within the policy while funds remain invested.
• Withdrawal benefits after eight years: Gains on withdrawals benefit from an annual tax-free allowance of €4,600 (single) or €9,200 (couple). Above that allowance, gains attributable to premiums up to €150,000 are taxed at a reduced income-tax rate of 7.5% (rather than the standard 12.8%), plus 17.2% social contributions — a combined rate of 24.7%, materially lower than the 30% flat tax that applies before eight years.
• Inheritance planning: Amounts invested before age 70 can pass to nominated beneficiaries on death with a €152,500 allowance per beneficiary before French inheritance tax applies, and outside the French succession rules. This is a significant advantage over holding assets directly.
• Accessibility: Non-EU nationals who are French tax residents can generally open assurance vie contracts with French insurance companies, though product availability may vary.

Opening an assurance vie immediately on arrival in France is generally advisable to start the eight-year clock running as early as possible. Existing offshore bonds or investment bonds from the UK do not receive the same French tax treatment — converting to or opening a French assurance vie should be discussed with a qualified adviser.

---

The IFI (Impôt sur la Fortune Immobilière)

France replaced the broad ISF wealth tax with the IFI in 2018. The IFI applies only to net real estate assets and takes effect when the taxable base exceeds €1.3 million. Rates are progressive:

Net Real Estate Assets (€)	Rate
Under 800,000	0%
800,001 – 1,300,000	0.5%
1,300,001 – 2,570,000	0.7%
2,570,001 – 5,000,000	1.0%
5,000,001 – 10,000,000	1.25%
Over 10,000,000	1.5%

The IFI base includes direct property ownership, real estate held through property companies, and indirect real estate interests in certain collective funds. Mortgages and property-related liabilities are generally deductible. Financial assets (shares, bonds, savings accounts) are excluded.

For French residents who own substantial property — whether in France or internationally — the IFI must be factored into financial planning.

---

French Property Taxes

France has two main property-related taxes:

Taxe foncière is an annual charge on property ownership paid by the owner, regardless of whether the property is their main residence. It is calculated based on the notional rental value (valeur locative cadastrale) of the property and varies considerably by commune. Buyers should ask vendors for recent taxe foncière bills as part of due diligence.

Taxe d'habitation was historically an annual occupancy tax charged to whoever occupied the property (owner or tenant). It has been abolished for main residences but continues to apply to second homes and holiday properties. For UK nationals owning a second home in France — a common scenario — taxe d'habitation remains payable and rates have been increasing in many popular areas.

---

Inheritance and Succession Planning

France's forced heirship rules (réserve héréditaire) are deeply embedded in the civil code. Children hold an inalienable right to a share of the estate:

• One child: 50% of the estate
• Two children: 67% of the estate (one-third each)
• Three or more children: 75% of the estate (equal shares)

French inheritance tax rates between direct descendants are progressive from 5% to 45%; between unrelated individuals they reach 60%. Spouses and civil partners (PACS) are exempt from French inheritance tax on transfers between them, which is a significant advantage.

EU Succession Regulation (Brussels IV): UK nationals resident in France can elect for English and Welsh law (which does not have forced heirship) to govern their entire estate. This election must be made explicitly in a will or codicil drafted for that purpose. It is an important planning step for UK nationals with children who wish to have freedom to distribute their estate as they choose. It should be made carefully with legal advice, as it may have implications for how French immovable property is dealt with.

---

Banking in France

France has a well-developed banking sector. Major retail banks include BNP Paribas, Société Générale, Crédit Agricole (and its network of regional banks), LCL, and Caisse d'Épargne. HSBC France had historically been a natural entry point for UK expats but significantly reduced its French retail operations — check current availability. Boursorama and other online banks offer accessible, low-cost current accounts.

Opening a French bank account as a non-resident or newly arrived foreigner is generally straightforward with standard identity documents and proof of address. Under the French "droit au compte" (right to account) legislation, a basic account must be provided by Banque de France if commercial banks refuse.

Foreign accounts held by French tax residents must be declared annually to the French tax authorities. The FICOBA system registers all French bank accounts; foreign accounts are declared separately on a specific form (Cerfa 3916) attached to the annual tax return. Failure to declare foreign accounts carries significant penalties.

---

PACS and Marriage Recognition

The PACS (Pacte Civil de Solidarité) is a French civil partnership available to both same-sex and opposite-sex couples. For UK couples resident in France, a PACS provides broadly similar rights to marriage under French law, including joint tax filing, inheritance rights (though inheritance tax applies unless both parties are named in a will), and mutual obligation of support.

UK marriages are recognised in France, and couples can file jointly from the first year of joint residence. UK civil partnerships may also be recognised, depending on individual circumstances — specific legal advice is advisable for those in non-marriage partnerships.

---

Practical Steps for New Arrivals in France

1. Register with your local mairie and obtain proof of residence (essential for bank accounts and administrative purposes).
2. Apply for a numéro fiscal (French tax identification number) from the Direction Générale des Finances Publiques (DGFIP) early — it is required for most financial transactions.
3. Register with the French social security system (CPAM) for health coverage and obtain your Carte Vitale.
4. Engage a French-qualified tax adviser (conseil fiscal) to advise on your residency status, establish your tax position from day one, and prepare your annual returns.
5. Review your existing investment and pension arrangements with an adviser familiar with both UK and French law before arriving — certain UK wrappers (ISAs, for example) do not receive favourable treatment in France.

---

How Global Investments Can Help

With over 32 years of experience advising internationally mobile high-net-worth individuals, Global Investments works with clients who are considering a move to France, already resident there, or managing cross-border financial structures involving France. We help clients navigate the interaction between UK tax obligations and French tax residency, assess the use of assurance vie and other French-compliant structures, review pension arrangements under the UK-France double tax treaty, and consider inheritance planning in the context of French succession law.

Our network of French-qualified legal and tax professionals complements our own cross-border advisory expertise. Contact us to arrange a consultation.