The price for opening and replacing a letterbox lock is €85 excluding VAT. This price includes both the opening of the letterbox and the installation of a new lock, but does not include the cost of the new lock itself.

However, if you only need the lock replaced but not opened, the price is reduced to €65 excluding tax. This means that if you already have access to the lock, you can save on the service charge.
We recommend that you contact our Serrurier Père&Fils company directly to obtain a precise, personalised estimate for your specific situation. The prices quoted are valid within a 30 km radius of Strassen and Arlon and apply during the hours of 9am to 6pm. These prices may vary according to the exact geographical location, the time of the intervention, and other specific circumstances.

1° Difficulty turning the key in the lock, even after cleaning and lubricating the lock.

2° Key that turns freely in the lock without unlocking anything.

3° Key broken inside the lock (this may damage the cylinder and require replacement).

4° Unusual resistance by inserting the key into the lock or turning it.

5° Excessive spanner play in the lock or if it seems to turn unstably.

If you encounter any of these problems, it is advisable to call in a professional locksmith to assess the situation and replace the cylinder if necessary.

The lock is a security device fitted to a door, usually comprising a locking mechanism, such as a bolt, to keep the door closed. Whereas the cylinder is the internal part of the lock where the key is inserted to operate the locking mechanism (It can be replaced independently of the lock itself, allowing the key to be changed while retaining the main locking mechanism).

Yes, it is possible to buy several door cylinders that can all be opened with the same key, just as with complete locks. This type of system is often referred to as a "single key cylinder system" or a "master key cylinder system".
When purchasing multiple cylinders for a single key system, be sure to specify this requirement to the locksmith or cylinder supplier. They will then be able to supply you with cylinders that are compatible with the single key system and provide you with matching keys that will open all the cylinders in the system.
It can be particularly convenient to use a single key to open them all, simplifying key management and improving overall building security.