A locksmith can modify the door with an SKG*** certified multi-point lock. Your door will be safer too.
Any local locksmith can change your door profile type.
The expected price for a change like this will be about 350 euros for a euro profile lock with SKG*** multi-point lock. Ask the locksmith to give you a quote with the exact price before they start. It will take about 2 hours.
Included in this price are:
Milling a slot in the door for the SKG*** multi-point lock.
Milling multiple slots in the doorframe.
The existing hole in the door will be filled with a piece of wood or wood filler. It will be stronger than before.
New door fittings on the outside. Including core pulling protection which is SKG*** certified.