Storage units in Sandy. Storage space in Sandy at Bizspace's Middlefield Industrial Estate which provides storage space in Sandy as well as storage to rent in Sandy. The storage space is for rent on flexible terms, using a simple licence agreement. Move in to your new Sandy storage space just by paying a deposit and a month's rent in advance, occupying the storage for a few months or a few years, walk in, sign up and move in to a new storage on the same day.