Portable Office Site Cabin Container 20ft x 8 ft

A 20ft office container in used condition — in service and structurally sound. Chosen for a fitted-out working space. Every unit is inspected before it leaves our yard, so the grade below is what you will actually receive.

Product Description: Portable Office Site Cabin Container 20ft x 8ft
Short IntroductionThis Portable Office Site Cabin Container provides a secure and durable workspace solution for various commercial and industrial environments. Constructed from heavy-duty steel, this 20-foot unit is designed to function as a self-contained office space that can be deployed and made operational with minimal site preparation. The structure is fabricated to withstand the demands of job sites while offering a finished interior suitable for administrative tasks .
Key Features

All-Steel Construction: Fabricated from tested quality steel with a welded shell, including a base frame, peripheral structure, and a self-draining roof. The four corner columns are reinforced to facilitate transportation and lifting .

Insulated Interior: Walls and roof are fitted with insulation material to help moderate internal temperatures and reduce external noise transmission .

Finished Interior Paneling: The interior is finished with 6mm decorative particle board cladding, providing a clean and professional appearance suitable for office use .

Durable Flooring System: The floor is constructed with cement board fixed to the base frame, finished with vinyl flooring for durability and ease of cleaning .

Integrated Electrical System: Pre-wired for 250-volt, 50 Hz single-phase AC power supply. Electrical wiring is concealed within PVC conduits and includes a distribution board with MCB protection. Lighting fixtures and ceiling fans are installed, and pre-wiring for air conditioning units is provided .

Corrosion-Resistant Treatment: External steel surfaces are treated with a zinc chromate primer followed by an epoxy or polyurethane topcoat to enhance weather resistance and durability .

Detailed DescriptionThe Portable Office Site Cabin Container is engineered as a modular, self-contained unit designed to meet the spatial and structural requirements of temporary or permanent site offices. The 20-foot by 8-foot footprint offers a functional layout for administrative functions, personnel welfare, or site management hubs.
The unit is built around a heavy-duty steel frame. The base structure is constructed from pressed mild steel channels, while the walls and roof are formed from corrugated steel sheets welded to the frame, ensuring structural rigidity. Glass wool insulation is integrated into the wall and roof cavities, which is a common method for improving thermal performance and acoustic dampening in modular structures .
Access is provided via a durable steel door fitted with locking mechanisms and handles on both the interior and exterior sides. Aluminum sliding windows are installed to allow natural light and ventilation. The interior surfaces are clad in decorative laminated particle board, offering a finished look that contrasts with the unit’s rugged exterior. The electrical installation includes internal switchboards, power sockets, and connections ready for standard office equipment and HVAC units, with all wiring conforming to concealed conduit standards for safety .
Technical Specifications

Specification
Details

External Dimensions
Length: 20 ft / Width: 8 ft / Height: 8.5 ft

Base Frame
Pressed mild steel channel construction; main elements: 80x40mm SQ pipe (2.5mm thick) 

Wall & Roof Material
20 SWG MS corrugated sheet steel; continuously welded to frame 

Insulation
50mm glass wool (walls and roof) 

Interior Wall Paneling
6mm decorative laminated particle board 

Flooring
18mm composite cement board with 1mm PVC vinyl flooring 

Door
External opening; size: 6.5 ft (H) x 3.3 ft (W); double-skin steel construction with insulation 

Windows
Aluminum sliding type; size: 2.5 ft x 4 ft; with clear vision glass and external weather sheds 

Electrical System
Concealed PVC conduit wiring; Distribution board with MCB; LED lights; Ceiling fans; Pre-wired for AC unit; Power sockets (type configurable per destination standard) 

Paint / Coating
Zinc chromate primer base with Epoxy or PU final finish 

Lifting / Mounting
Four (4) top-mounted lifting hooks; Six (6) support legs (8-inch height) 

Intended UseThis portable cabin is designed to function as an on-site administrative office, a personnel welfare room, or a security checkpoint. Its durable construction and finished interior make it suitable for a variety of applications, including:

Construction site project management offices

Mining and resource sector site accommodation

Industrial facility guard houses and entry gates

Temporary classrooms or field clinics

Event ticket booths and information centers 

Package IncludesThe unit is supplied fully assembled and includes:

One (1) 20ft x 8ft Portable Steel Cabin Structure

Pre-hung Steel Entry Door with Locking Hardware

Installed Aluminum Sliding Windows

Complete Internal Electrical System: Distribution board, MCB, interior LED lighting, ceiling fans, and pre-wiring for an air conditioning unit.

Installed Wall Outlets (Quantity and type as per US standard configuration)

Dimensions and capacity

Internal dimensions are approximately 19 ft 4 in × 7 ft 8 in × 7 ft 10 in (5,898 × 2,350 × 2,393 mm), giving 1,170 cu ft (33.1 m³) of usable space, with double doors at one end. These are the standard figures for a 20ft container; exact internals vary slightly by manufacturer.

Condition

This is a used container that has been in service. It is wind and watertight — no holes, working door seals, an intact roof — but it shows its history: surface rust, dents and previous owner markings are normal and do not affect how it performs.

What it is good for

This unit is commonly used for a fitted-out working space. Doors, windows, insulation, electrics and paint can all be added before it ships — it is cheaper and neater to specify a conversion while the container is still in our yard than to modify it on your site afterwards.

Browse more in 20ft Containers, or see the full container catalogue.

Standards and inspection

Containers intended for international shipping carry a valid safety approval plate under the Convention for Safe Containers, administered by the International Maritime Organization. Condition grades such as cargo-worthy follow the inspection criteria published by the Institute of International Container Lessors. If you need a unit for shipping rather than static storage, tell us and we will confirm its plate before dispatch.

Delivery

Delivery is quoted against your site access rather than published as a flat rate, because haulage for a container depends on the distance, the approach and whether a crane is needed. Most deliveries use a tilt-bed truck, which needs a clear and reasonably level run about twice the container length. We price it before you commit.