Renovating a house in france
The Rules Every American and British Buyer Should Know
Renovating a House in France:
The Rules Every American and British Buyer Should Know
So you’ve taken the leap — you’re relocating to France, you’ve found a property with character, and now the renovation begins. For Americans and Brits moving to France, this is often the part of the journey that feels most unfamiliar. French building regulations, paperwork and trade practices don’t always work the way they do back home, and a renovation in France that isn’t planned with this in mind can quickly turn from exciting to overwhelming.
The good news: most renovation problems in France are entirely avoidable. They almost always come down to the same handful of mistakes — skipped paperwork, rushed decisions, vague quotes, the wrong artisan, or a missing final declaration. Get these things right from the outset, and your renovation project is far more likely to run smoothly, on budget, and without unpleasant surprises.
Here’s our guide to the rules that matter most, drawn from years of helping clients relocate to France and renovate their new homes with confidence.
1. Sort out your French planning permission first
This is the rule that catches out the most newcomers to France, simply because it’s the least exciting one. Before a single wall comes down, you need to establish whether your renovation requires a déclaration préalable de travaux (a prior declaration) or a full permis de construire (planning permission)—the two main categories of authorization in France.
Changes to a building’s external appearance, extensions, changes of use, and anything affecting a shared structure in a co-owned building almost always require authorization from the local mairie. While this process is functionally similar to obtaining Planning Permission in the UK or zoning permits in the US, many expats are still caught off guard by it. If anything, you may find the rules in France to be more relaxed than back home, but the administrative process is distinct and mandatory.
The good news is that you don’t always need to hire an architect; their involvement is only mandatory if your project pushes the total floor area of the property beyond a certain threshold (currently 150m²). Furthermore, submitting these planning applications to the mairie is completely free of charge if you handle the paperwork yourself.
However, it is easy to assume things are “looser” than they are, and skipping the proper paperwork can cause significant headaches later. Unauthorized renovation work in France is a genuine gamble. It can be challenged by neighbors, flagged during a future property sale, or in the worst cases, ordered to be reversed at your own expense. Planning applications also take time to process—often one to two months, sometimes longer—so this isn’t something to leave until your artisans are ready to start. It’s the very first item on your renovation checklist, not an afterthought.
2. Give yourself time — rushed decisions are expensive decisions
Renovation projects in France have a natural rhythm, and trying to compress that rhythm almost always costs you later. This applies to everything: choosing your artisans, finalising your planning application, selecting materials, even agreeing on a layout.
A decision made under pressure tends to be the wrong one. Booking the first available artisan rather than the right one for the job, or rushing a planning submission “to get it in before the holidays,” tends to come back to haunt people a few months down the line. This is especially true if you’re managing the project remotely or arriving in France for only a few weeks at a time before relocating permanently.
Build slack into your timeline from the outset. If you think the project will take six months, plan for eight. That buffer isn’t wasted time — it’s what allows you to make calm, considered choices instead of reactive ones.
3. Always get written quotes (devis) — and treat them properly
A devis (quote) isn’t just a price tag; it’s the legal document that protects you if something goes wrong. A proper, detailed devis should specify the materials to be used, the scope of work, the timeline, payment terms and the artisan’s insurance details. Verbal agreements or vague estimates leave you with no recourse if the finished work doesn’t match what was promised — a particular risk for buyers unfamiliar with how French contracts work.
Always get several quotes for comparison — not necessarily to chase the cheapest price, but to understand the range of what’s reasonable for the job and to spot anything that looks too good, or too vague, to be true.
Once you’ve chosen your artisan, sign the devis formally. In France, this typically also means paying a deposit (acompte), which isn’t just a formality — it’s what actually reserves your slot in the artisan’s schedule. Good tradespeople in France are often booked up months in advance, and an unsigned quote with no deposit means you have no real claim to a start date. Treat the signed devis and deposit as the moment your renovation becomes real, not the moment the work begins.
4. Choose your French artisans carefully — and check their decennale insurance
France doesn’t really work on the “general contractor” model that’s common in the UK or the US, where one company manages the whole job and subcontracts the rest. Here, you’re far more likely to be coordinating several independent artisans — your maçon (mason), électricien, plombier, menuisier (joiner) and so on — who each need to work around one another. This is one of the biggest adjustments for Americans and Brits used to a single point of contact managing the whole renovation.
This makes two things essential:
- Favour established, local artisans. Look for tradespeople with a proper premises or workshop, a track record in your area, and a reputation you can verify with previous clients. Someone with roots in the local area has both the experience and the incentive to do the job properly — and is far easier to hold accountable than someone passing through.
- Always check their assurance décennale. This ten-year structural guarantee is a legal requirement in France for anyone carrying out building work, and it’s non-negotiable. Ask to see proof of cover before signing anything. No decennale, no contract — no exceptions.
Because you’re assembling a team rather than hiring a single contractor, it’s also worth asking artisans whether they’ve worked together before, or whether your project’s sequencing makes sense to them. A good electrician who’s used to working alongside your chosen plumber and your chosen maçon will save you a surprising number of headaches later — and this kind of local knowledge is exactly where a relocation specialist can help.
5. Declare the end of the renovation works
Once everything is finished, the job isn’t quite done — you still need to formally declare completion of the works to the relevant French authorities, typically via a déclaration attestant l’achèvement et la conformité des travaux (DAACT), submitted to the mairie. This confirms that the finished project matches what was authorised, and it’s an important document to keep on file — particularly if you ever sell the property, as a missing or inconsistent completion declaration can complicate a sale considerably.
A few extra rules worth following
Beyond the five essentials above, a handful of other habits consistently separate calm renovations from chaotic ones — and they matter even more when you’re relocating to France from abroad and can’t always be on-site.
Build in a financial buffer. A contingency of 10–15% on top of your total renovation budget isn’t pessimism — it’s realism. Unexpected discoveries (damp, old wiring, structural surprises behind a wall) are the norm, not the exception, in older French buildings.
Take out assurance dommages-ouvrage. This insurance, taken out before work begins, covers certain structural defects without needing to establish fault first, and works alongside the artisans’ decennale cover. It’s an added cost, but a valuable safety net for substantial projects — and one that international buyers sometimes overlook.
Keep a written schedule. Even an informal one, agreed with your artisans, helps everyone stay aligned on sequencing and reduces the back-and-forth disputes that arise when trades are waiting on one another.
Check the rules if you’re in a co-owned building. If you’re buying an apartment in France, certain works will need approval from the syndic or the co-owners’ general meeting, particularly anything affecting shared structures, facades or visible elements.
Do a proper handover at the end. Walk through the finished work with your artisans before final payment, noting down any snags (réserves) in writing. This final check protects you just as much as the original devis did.
Frequently asked questions about renovating in France
It depends on the scope of the work. Anything affecting the exterior appearance of the building, its footprint, or its use will typically require a déclaration préalable or a permis de construire from the local mairie. Purely internal, cosmetic work usually doesn’t require permission, but it’s always worth checking before you start.
It’s a mandatory ten-year insurance policy that French artisans and building professionals must hold, covering structural defects that appear after the work is completed. Always ask to see proof of cover before signing a contract — it’s one of the most important checks you can make as a buyer relocating to France. Read more about it on our blog here
Look for established, local tradespeople with a visible business presence, ask for references from previous clients, and get multiple written devis before deciding. Many Americans and Brits relocating to France also choose to work with a relocation specialist who already has a trusted network of vetted artisans in the area.
It varies enormously depending on the scope of work and whether planning permission is required, but it’s wise to build in significantly more time than you initially expect — particularly for the administrative steps, which often take longer than the building work itself.
You’ll need to file a déclaration attestant l’achèvement et la conformité des travaux (DAACT) with the mairie, confirming the completed work matches what was authorised. Keep this document safely, as it’s often requested when selling the property later.
The common thread
Look closely at all of these rules and a pattern emerges: the renovations that go well are the ones where the unglamorous groundwork — permissions, paperwork, insurance, written agreements — gets just as much attention as the exciting parts, like choosing tiles or planning a new kitchen layout. Renovating in France rewards patience and preparation far more than it rewards enthusiasm alone. Take the time to get the foundations right, in every sense, and the rest of the project tends to follow.
And if you’re local to us, finding the right artisan doesn’t have to be a job you take on alone — get in touch and we’ll be happy to help you source the perfect one for your project.
