20-foot High Cube Shipping Container Office

This prefabricated 20-foot High Cube shipping container has been converted into a working office space. Built from used cargo-grade steel, it suits a range of commercial and industrial uses and gives you a durable, portable way to add workspace.

Key Features

• High cube specification: Adds 1 foot of extra vertical space over a standard container for greater interior volume.
• Weather-resistant construction: The steel exterior stands up to varied weather and is fitted with seals to keep water out around doors and installed components.
• Pre-installed utilities: Basic electrical wiring serves lighting and standard outlets, and a basic electrical panel is included for connection to an external power source.
• Lockable entry: A standard steel man-door provides secure access, while the double doors at one end keep their original locking rods for added security.
• Durable flooring: A 5/8-inch plywood overlay creates a stable surface for office furniture.

This 20-foot High Cube container office is built from Corten steel, valued for its durability and corrosion resistance. The unit is wind and water tight to keep the interior protected, and it is insulated throughout to even out interior temperatures and cut external noise.

The conversion centers on a functional workspace. The electrical system adds overhead LED lighting and several outlets, so it is ready for office equipment, and the interior walls are lined with finished plywood that gives a clean surface for painting or customization. A standard wall-mounted unit supplies ventilation.

Portability is built in. The structure keeps its original corner castings, rated for lifting and transport, and it can be delivered by flatbed truck and set on a prepared level surface, concrete blocks, or a foundation. Be sure to check local building codes and permit requirements before installation.

Technical Specifications

• External dimensions (L x W x H): 20 ft x 8 ft x 9 ft 6 in
• Internal dimensions (L x W x H): approx. 19 ft 4 in x 7 ft 8 in x 8 ft 10 in
• Material: Corten Steel (ASTM A606)
• Wall construction: Steel sheet, wall insulation, finished plywood lining
• Flooring: 5/8″ plywood over original steel floor
• Electrical supply: 110/120V panel with outlets and LED lighting (does not include external power cable or generator)
• Door configuration: 1x steel man-door (3 ft wide); 2x double rear doors (7 ft 8 in wide)
• Weight: approximately 4,900 lbs (tare weight may vary)
• Condition: Used, cargo-grade. Dents, scratches, or surface rust may be present externally.

This container office is meant for permanent or temporary workspace. It works well as a construction site office, security checkpoint, remote workstation, agricultural office, or as a supplementary storage and work area on private property. It is not intended for human habitation or long-term residential use without significant additional modification to meet local housing codes.

What's Included

• 1x 20-foot High Cube Shipping Container (converted)
• Pre-installed interior wall lining
• Basic electrical wiring (outlets, light switch, LED lights)
• Standard electrical panel
• Locking mechanism keys (where applicable)