The 7.5% vs 17.2% Question Every British (and EU) Owner of a French Rental Should Ask

Rules in this area change often — this page is updated when they do.

Here is a number worth checking on your last French tax bill, and it takes about two minutes.

When France taxes your rental income as a non-resident, it doesn't stop at income tax. It adds a layer called prélèvements sociaux, social charges, at 17.2%. On €10,000 of taxable rental profit, that's €1,720, every year, on top of the income tax itself. Owners grumble about it, pay it, and move on.

Except that a good number of them, including almost every British owner I've spoken to, shouldn't be paying 17.2% at all. They should be paying 7.5%. On that same €10,000, the difference is €970 a year. Per year. And it's refundable going back a couple of years if you act in time.

This isn't a loophole or a clever scheme. It's the published position of the French administration, born from a court case France lost. Let me explain, briefly, because the history is what makes the rule make sense.

Why the discount exists: France lost in court

That 17.2% is really a bundle: two big contributions called CSG and CRDS, plus a smaller "solidarity levy" of 7.5%. The CSG and CRDS exist to fund the French social security system — French healthcare, French pensions.

A Dutch taxpayer named de Ruyter took issue with paying charges that fund a system he could never use, since he was insured in the Netherlands, and in 2015 the EU's top court agreed with him: you can't make someone contribute to social security in one country when EU rules affiliate them to another. France resisted, restructured, lost again, and finally amended the law: since 2019, people covered by the social security system of an EEA country or Switzerland are exempt from CSG and CRDS on their French investment and property income. What survives is only the solidarity levy, the 7.5%, which was carefully drafted as a tax rather than a social contribution.

"But we left the EU"

You did, and this is the part British owners assume disqualifies them. It doesn't. The Brexit withdrawal agreement and the social-security protocol attached to the trade deal preserved the coordination rules between the UK and France, and the French administration has confirmed the consequence in black and white: a UK resident covered by the UK social security system keeps the exemption. CSG and CRDS off, 7.5% remains. The same logic applies to your capital gain when you eventually sell the flat, where the difference is felt in tens of thousands rather than hundreds.

The conditions, and there are only two: you're affiliated to a social security scheme in the UK, the EEA or Switzerland (for most people, simply living and working there does it), and you're not simultaneously a charge on the French system.

Who doesn't get the discount: owners resident in the US, Canada, Australia, the Gulf, Asia — anywhere outside that circle. For them, the 17.2% stands. I'd love to tell you otherwise; I can't.

The catch: nobody applies it for you

Here's why this article exists. The exemption is not automatic. The French return has specific boxes to tick declaring your foreign affiliation, and if you (or whoever prepares your return) leave them blank, the system charges you the full 17.2% without a second thought. No warning letter, no "did you know?". The French tax administration is many things; solicitous about foreign taxpayers' unclaimed reliefs is not one of them.

In practice I see three situations over and over:

The owner who's been paying 17.2% for years. Usually because they filed themselves, or used a preparer who never asked where they were insured. The fix is two-part: tick the right boxes from this year on, and file a claim (réclamation) for the recent past. The deadline matters: broadly, you can go back and reclaim the charges for the last two full years after the year they were billed — after that, the money is gone for good. If you've just discovered this in July, the claim for the oldest recoverable year should not wait until Christmas.

The owner who ticked the boxes once, then their accountant changed. The affiliation declaration needs to be made each year. A new preparer working from last year's numbers but not last year's boxes reintroduces the 17.2% silently. Check every year's notice, not just the first.

The owner who never declared at all. Different, bigger conversation — start with my guide on declaring rental income as a non-resident — but worth noting: when you regularise past years properly, claiming the 7.5% rate in the back-filing is part of doing it properly. Regularisation done well is cheaper than people fear, partly because of details like this one.

What proof do you need?

A document showing you're covered by your home system for the years in question. For UK residents this is typically confirmation of National Insurance affiliation or an HMRC/DWP document; EU residents use their national equivalent or an S1-type certificate. The claim itself is a written réclamation to the non-residents' tax office with the proof attached, and it can be done online through your French tax account. It is, by French standards, a civilised process. It's also precisely the kind of thing that's tedious to do from abroad in a second language, which is why so much of it goes unclaimed.

Run your own two-minute check

Take your last avis d'imposition. Find the prélèvements sociaux line. If the rate applied is 17.2% and you live and are insured in the UK, the EEA or Switzerland, you are leaving money on the table — this year's, and possibly two more years' worth sitting behind you, on a clock.

Rules as they stand in July 2026; not tax advice, and individual situations vary (dual coverage, posted workers and pensioners with S1 forms have their own wrinkles). For your specific case, talk to a French accountant — I work with an English-speaking one in Nice who handles non-resident landlords daily and has filed more of these claims than he can count. If you'd like an introduction, or someone to keep your French paperwork in order all year so things like this stop slipping through, that's what I do.

FAQ

I'm a UK resident with a flat in Nice. What rate should I be paying? If you're covered by UK social security and not by the French system: 7.5% on your rental profit, instead of 17.2%. The Brexit agreements preserved this.

Is it automatic? No. You declare your foreign affiliation on the return each year. Left blank, you're charged 17.2% by default.

Can I get back what I've overpaid? For roughly the last two years, yes, by written claim with proof of your home-country coverage. Older years are time-barred, which is why checking now beats checking eventually.

Does this apply when I sell the property too? Yes, the same logic applies to the social charges on your capital gain, where the amounts at stake are usually much larger. Worth getting the affiliation question sorted well before a sale.

I live in the US / Dubai / Australia. Any relief? Not under this rule — it only covers the UK, EEA and Switzerland. Your planning conversation is a different one (regime choice, depreciation, the minimum-rate option), and it's worth having, but the 17.2% itself stays.