Is your letter box correctly installed? These are the French rules

Regulations state standards for size, letter opening, location, and lock type

Letterboxes in France can be any colour you like, as long as they are easily visible and safely accessible to postal workers - but there are rules for other characteristics
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The installation of letter boxes for private homes in France must comply with certain regulations, particularly when it comes to dimensions, standardisation, and placement on the property.

Letterboxes in France are often separate from the property. They may be at the end of the drive, next to the road in the front garden space, embedded in a wall next to the door, inside a flat foyer, or similar.

In contrast, in countries such as the UK letterboxes are almost always attached to the property’s front door, accessible only via a letterbox slot, and are not located in separate boxes.

What size must letterboxes be in France?

Postal service La Poste cites regulations from standardisation association AFNOR dating from July 17, 1979, which state that the mandatory dimensions for a letterbox are:

  • At least height 26 cm x width 26 cm x depth 34 cm for the letterbox itself 

  • The slot of the box must also respect regulatory dimensions, which are 23.5 cm wide by 2.4 cm high

  • The nameplate on the box must be at least 1 cm high by 2.4 cm wide

In addition, the box must be installed at a maximum height of 1.5 metres from the ground. 

La Poste does state that you can choose a “larger letterbox” as long as the opening and nameplates comply with the standards above. Larger letterboxes are becoming more common as people shop online more and increasingly receive much larger parcels at home.

Read also: French letterboxes get bigger for the boom in home parcel delivery 

The postal service has a selection of compliant letterboxes listed on its website, to make it easier for individuals to choose one that meets the regulations. The prices run from €47.54 to €181.63.

A view of the minimum regulatory dimensions for letterboxes in France

Where should letterboxes be installed in France?

Rules state that the letterbox should be installed at the address indicated, “at the edge of a road open to public traffic”. 

It must be placed at the entrance to a property and be easily accessible (and safe) for the postal worker to access. It can be positioned on a gate post, a gate, embedded in a wall or placed on a stake. Ensuring it is “safe” means positioning it away from any dangerous ledges or similar, and away from dogs.

In multi-occupancy housing (such as blocks of flats), letterboxes must be freely accessible or located in secure entrance halls, and accessed using a pass or a secure system. Each property must have its own individual letterbox, identified with the apartment number.

If there are six or more letterboxes needed, the building manager must install a notice board that shows the names of the recipients in alphabetical order, the number of their letterbox, and the number of their apartment.

Read also: Burglaries: Watch out for this sheet of paper in letterbox trick on homes in France
Read more: Plan to make letterbox flyers in France 'opt in' rather than 'opt out' 

Are there rules for letterbox locks in France?

Yes; the letterbox opening must be considered to be secure, and approved to NF D27-404 and NF D27-405 standards on “secure opening for outdoor installations”. The lock must also be approved by La Poste. 

These locks are known as “serrures PTT (passe-partout)”. La Poste workers have master keys that can open and close these locks, if they need to deposit letters or parcels that are too large to fit through the letterbox opening.

Read also: Who has a key to get into my home letterbox in France? 

The La Poste website also offers a selection of compliant locks (and stands if you do not want to or cannot install your letterbox on existing street or property furniture).

In terms of material, the only requirement is that the box is secure against theft. It can be made of wood, aluminium, galvanised steel, cast iron, sheet metal or stainless steel, and in the colour of your choice.