Single out items of every room and have them stacked together
. You can have them marked so that the removals company could get them to their respective rooms when they are unpacking without mix-ups. Note down every item in their respective rooms. Mark all the boxes which are containing delicate items. In this way, the removals company staff that are helping you with the moving would be able to handle them with care. It is however more convenient to use the services of a removals company as they are experts in packing needs of any kind that you may have.