Indoor units vs shipping containers for furniture
Indoor units (inside a heated building) are best for upholstered, wooden and antique pieces — they stay dry, dust-free and at a stable temperature. Shipping containers are cheaper and offer drive-up access but condense moisture in cold weather, so they're best for sturdy items, garden furniture or short stays.
How to pack furniture for storage
Disassemble what you can (bed frames, table legs, modular sofas) to save space and prevent stress damage. Wrap upholstery in breathable cotton sheets — never plastic, which traps moisture. Stand mattresses on their long edge in a mattress bag, place wooden items on pallets or cardboard off the floor, and leave a small gap between items for air circulation.
What size unit do I need for furniture?
A 25 sq ft unit fits a small sofa plus a few boxes. A 50 sq ft unit holds the contents of a one-bedroom flat including a bed, sofa and dining set. A 100 sq ft unit comfortably holds a full 2-3 bedroom house worth of furniture if packed efficiently.
Will my furniture be damaged in storage?
Not if you choose a reputable facility and pack correctly. The two main risks are damp (mitigated by climate-controlled indoor units) and physical damage in transit (mitigated by proper wrapping and disassembly). Many facilities sell mattress bags, sofa covers and furniture pads at reception.