I Do Abroad

Written and checked by the I Do Abroad team · Last updated 10 November 2026 · Sources listed at the end of this page

France is the destination UK couples fall for first and ask about last. The château, the long lunch, the light in September. Then someone on a forum says “you can’t actually get married there”, and the plan wobbles. The honest answer sits in between. A legal civil marriage in France is possible for British couples, but it runs on French rules that were written for residents, and most UK couples choose a different route to the same aisle. Here is what usually applies, who confirms it, and how to decide which route is yours.

Can two British people legally marry in France?

Yes, in principle. French civil marriage is conducted only by the mayor or a deputy at the town hall (mairie) of the commune, and a religious or celebrant-led ceremony on its own has no legal effect. What usually trips up visiting couples is the connection rule rather than nationality.

According to the French government’s own guidance, the wedding must take place in a commune where at least one of you has a durable link: your domicile, a residence where you have lived continuously for at least one month on the date the banns are published, or the domicile or residence of a parent. Being born there without living there does not count. A couple with a family home in the Dordogne or a parent living in Provence often qualifies. A couple arriving for a long weekend usually does not.

That is the single fact to establish before you book anything. Ask the mairie of the commune you have in mind, in writing, whether they would accept your dossier. The mairie decides. Nobody else can confirm it for you.

What usually applies: the documents

Requirements vary by mairie, which is why the written confirmation matters. The list that appears most often in French official guidance and from planners who work with UK couples looks like this.

Item What it usually means for a UK couple Who issues or confirms it
Birth certificate Full certificate showing parents, issued within 6 months of filing for a UK-issued certificate General Register Office (GRO)
Proof you are free to marry Certificate of No Impediment (CNI) from your local register office after 28 days’ notice, or a sworn affidavit if the mairie accepts one Your UK register office. The mairie decides what it accepts
Certificat de coutume A statement of UK marriage law and your status. Some mairies ask for it, some do not Mairie decides. Often obtained via a notary or solicitor
Apostille Legalisation of UK documents for use in France FCDO Legalisation Office
Sworn translation French translations by a translator registered with a French Court of Appeal Traducteur assermenté
Proof of address and passports Recent proof of address. Passport copies You
Witnesses Two to four adults with ID You

One planner working with UK couples quotes the CNI at £35 per person, the GRO certificate at £11 and the apostille at £75, with sworn translation at roughly €30 to €60 per page across six to ten pages. Treat those as a sense of scale rather than a quote. Fees change and your mairie may ask for less or more.

How long does it take, and who signs it off?

Once the mairie accepts a complete dossier, the banns are displayed for 10 days and the ceremony cannot take place before the tenth day after publication. The registrar must also interview the couple, together and sometimes separately, and an interpreter may be required if you do not speak French. Planners who do this regularly suggest opening the conversation with the mairie six to nine months out and submitting the dossier around three months before the date, because the CNI is valid for a limited period and the birth certificate has to be recent at the point of filing.

The confirmation chain is short and worth memorising. The mairie confirms whether you qualify and which documents it wants. Your UK register office confirms you are free to marry. The FCDO confirms your documents are legalised. The mayor or deputy conducts and signs the marriage. A marriage that is valid under French law is generally recognised in the UK, and you can ask the mairie for extra copies of the acte de mariage on the day.

The route most UK couples actually take

Marry legally at a UK register office first, then hold the ceremony you want in France. This is not a compromise. Planners who work with UK couples say most of their British clients do it this way, and it removes the residence question, the dossier, the banns and the French-language interview in one move. Your local register office publishes its notice and ceremony fees, which sit well below the cost of the French dossier route, and the French ceremony can then be outdoors, in English, led by whoever you choose, on whichever date the venue has free.

The trade is emotional rather than legal. Some couples want the words that count to be said under the plane trees. If that is you, the residence rule is the hurdle to clear and the mairie is the only authority that can clear it.

I Do Abroad Top Tip

Email the mairie before you email a single venue. One line in French asking whether they would accept a marriage dossier from two British residents with no address in the commune will save you months. If the answer is no, you have your decision: legal in the UK, celebration in France, and the whole budget goes on the day itself.

What usually applies, and who confirms it

Nothing on this page is legal advice. Rules differ between mairies and change over time, so confirm every item with the mairie handling your dossier, your UK register office and GOV.UK before you book. Where this page says “usually”, that is exactly what it means.

Not sure which route fits you? Take the Dream Wedding Quiz and we will show you the venues, the shoulder-season dates and the real number for a France wedding built around the way you want to marry.

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