What is the minimum surface area for a bedroom in France?

Bedroom Minimum Sizes in France: What the Law Actually Says

In practice, a bedroom needs space for a bed and basic storage. But French property law sets specific standards that affect both rental and sales markets—particularly for Alpine developments where cabin rooms and mountain alcoves are common.

Long-Term Rental: The Legal Minimums

Decree No. 2002-120 (30 January 2002) established “decent housing” standards to end rentals of substandard apartments. The requirements focus on the main room, not individual bedrooms:

For properties built before 2002:

• Minimum 9m² living space
• Ceiling height: 2.20m minimum
• OR minimum 20m³ living volume

For new-build properties (post-2002):

• Minimum 12m² living space
• Same ceiling height requirement

Critical point: These standards apply only to the main bedroom. French law sets no minimum size for additional bedrooms in rental properties.

Departmental variations: Some regions enforce stricter standards. Always check local sanitary regulations (règlement sanitaire départemental) before signing a lease.

What This Means for Bedrooms

Separate bedrooms (not the main room): No legal minimum exists. However, market practice and buyer expectations matter:

• Conventional apartments: Rooms under 9m² rarely designated as “bedrooms” in listings
• Alpine properties: Different standards apply—cabin rooms and mountain alcoves (coin montagne) are accepted practice
• New-build ski developments: Bedrooms typically 9-12m² minimum, always with window or Velux skylight

Alpine Property Exceptions: Cabins and Mountain Alcoves

Ski properties follow distinct conventions due to space optimisation in mountain developments:

Cabine (Cabin room):

• Typically 4-6m²
• No window requirement
• Usually accommodates bunk beds
• Common in family-focused resort properties

Coin montagne (Mountain alcove):

• 3-5m² alcove space
• Built-in bunk bed configuration
• Often separated by sliding door or curtain
• Standard in 2-3 bed ski apartments

Example: A typical 65m² 3-bed apartment in Les Gets might include two 10m² bedrooms plus one 5m² cabine—perfectly acceptable and clearly disclosed in listings.

Properties for Sale: The Carrez Law

Sellers can market properties of any size, but Loi Carrez requires surface area disclosure for all apartments in divided ownership buildings (copropriété):

Mandatory disclosure locations:

• Sales advertisements
• Reservation contracts (contrat de réservation)
• Notarial deed (acte authentique)

What’s measured: Only spaces with ceiling height ≥1.80m count toward Carrez surface area. This excludes most cabin rooms with sloped ceilings in Alpine chalets.

Marketing Small Rooms: Practical Guidelines

To avoid disappointing viewings, use precise terminology:

8-9m² and above: “Bedroom” (chambre)
5-7m²: “Office” (bureau) or “Children’s room” (chambre enfant)
4-6m²: “Cabin” (cabine) for ski properties
3-5m²: “Mountain alcove” (coin montagne)
Under 3m²: “Storage room” (cellier) or “Dressing room” (dressing)

New-Build Ski Property Standards

Premium Alpine developments typically deliver:

• Master bedrooms: 12-15m²
• Secondary bedrooms: 9-11m²
• Cabin rooms (where included): 5-6m²
• All bedrooms: Natural light via window or Velux
• Mountain alcoves: Clearly designated in floor plans

Investor advantage: New-build ski properties in designated zones qualify for 20% VAT rebate schemes, with bedroom count affecting rental yield calculations.