They are stored at a forwarding agency. The most important things (clothes, tools, folders and documents as well as items that are needed in the meantime) are at my parents' place; in the meantime, we had a holiday apartment near the "construction site" to have plenty of time for the DIY work (painting, etc.) during the vacation. This variant of the "move" is not the worst ... we just need to schedule the moving of the furniture, no more packing. :)