From €690 Temporary storage or work space in an instantstorage buildings
From €8700 Self-built sheds without concrete foundationstorage buildings
From €5040 Flexible industry-quality storage spacestorage buildings
From €9920 Inexpensive alternative to a steel storage shed storage buildings
You can create an indoor porch by simply installing the front wall in the second or third roof truss. You could do the same with the rear wall of course.