The following guidelines will help you determine the appropriate size of your storage room:
* 5-6 moving boxes: 1m³
* Few pieces of furniture: 2-6m³
* 1 room: 7-10m³
* 2 room apartment: 11-16m³
* 3-room apartment: 14-22m³
* 4-room apartment: 20-30m³
* 5-room apartment: 25-40m³
If you also have a balcony and a cellar, you need a little more space.