Description
The 21ft x 8ft Office & Canteen Cabin from Atlas Container Supply is a built-to-last, wind- and watertight steel unit engineered for secure, long-lasting performance.
This 21ft x 8ft office and canteen cabin is a fully refurbished anti-vandal steel portable building finished in Graphite Gray professional-grade paint, internally and externally restored to excellent condition by our refurbishment team before dispatch. The open-plan layout is suited to dual use as a project office and staff canteen — the fitted kitchenette at one end provides a functional break area while the remaining floor space accommodates desks, seating, or welfare facilities depending on your operational requirements.
The kitchenette installation includes an oak-effect countertop, an under-counter cupboard, a stainless steel basin with mixer tap, and an electric water heater — providing a complete hot drinks and basic food preparation station without additional fit-out on delivery. Flooring throughout is new Silver Oak Herringbone vinyl — a hardwearing, easy-clean finish that gives the interior a contemporary appearance consistent with the Graphite Gray exterior.
The electrical system is fully installed and includes an internal consumer unit with breaker panel and safety isolator, five double electrical sockets, and three LED light tubes on a wall switch. A wall-mounted electric heater provides reliable warmth for all-season occupation. Three sliding windows are fitted with anti-vandal fan shutters — providing both natural ventilation and an additional layer of security when the cabin is unattended, preventing forced entry through window openings. A single external steel anti-vandal access door with locking keys provides the sole entry point.
The unit is wired and ready for mains electrical connection — an external mains supply must be connected on site by a licensed electrician before the heating, lighting, sockets, and water heater are operational. For guidance on temporary structure siting and permit requirements in the USA, refer to the International Code Council building standards reference.
21ft x 8ft Office & Canteen Cabin — Dimensions
| Dimension | Imperial | Metric |
|---|---|---|
| External Length | 21ft | 6,400mm |
| External Width | 8ft | 2,440mm |
| External Height | 8ft 6in | 2,590mm |
| Internal Length (est.) | approx. 20ft 4in | approx. 6,200mm |
| Internal Width (est.) | approx. 7ft 4in | approx. 2,240mm |
21ft Office & Canteen Cabin — Fit-Out Specification
| Item | Specification |
|---|---|
| Construction | Heavy-duty anti-vandal steel shell |
| Exterior Finish | Graphite Gray professional-grade paint |
| Door | 1 × steel anti-vandal access door with locking keys |
| Windows | 3 × sliding windows with anti-vandal fan shutters |
| Flooring | New Silver Oak Herringbone vinyl throughout |
| Kitchenette | Oak-effect countertop, under-counter cupboard, stainless steel basin with mixer tap, electric water heater |
| Heating | Wall-mounted electric heater |
| Lighting | 3 × LED light tubes on wall switch |
| Power Sockets | 5 × double electrical sockets |
| Electrical System | Internal consumer unit with breaker panel and safety isolator |
Standard Inclusions — 21ft x 8ft Office & Canteen Cabin
- Heavy-duty anti-vandal steel shell — fully refurbished inside and out
- Graphite Gray professional-grade exterior paint
- 1 × steel anti-vandal access door with locking keys
- 3 × sliding windows with anti-vandal fan shutters
- New Silver Oak Herringbone vinyl flooring throughout
- Kitchenette — oak-effect countertop, under-counter cupboard, stainless steel basin, mixer tap, electric water heater
- Wall-mounted electric heater
- 3 × LED light tubes on wall switch
- 5 × double electrical sockets
- Internal consumer unit with breaker panel and safety isolator
What’s Not Included
- External mains electricity supply connection
- Water supply connection to kitchenette
- Waste drainage connection
- Site preparation, levelling, or foundation works
- Crane or lifting equipment
- Furniture, appliances, or office equipment
- Air conditioning
- Local authority permits
Best Use Cases for a 21ft x 8ft Office & Canteen Cabin
- Construction and civil engineering site offices with welfare provision
- Staff canteen and break room for industrial or warehouse sites
- Project administration office with kitchenette for remote locations
- Temporary welfare unit for event or festival staffing operations
- Portable retail or hospitality kiosk requiring hot beverage facilities
- Security gatehouse or site reception with staff amenities
Also available: 24ft x 9ft Portable Site Office, 24ft x 10ft Portable Marketing Suite, and 32ft x 10ft Open Plan Portable Office Cabin.
Every unit is inspected by Atlas Container Supply prior to dispatch.
21ft x 8ft Office & Canteen Cabin Overview
The 21ft x 8ft Office & Canteen Cabin combines rugged construction with everyday practicality, making it a smart long-term investment. Supplied in refurbished condition, it arrives quality-inspected and ready for immediate use across residential, commercial, and industrial applications.
Key Features of the 21ft x 8ft Office & Canteen Cabin
- Anti-Vandal Steel
- Kitchenette Fitted
- Graphite Gray
- Fitted with electrics, lighting, insulation and windows
- Lockable personnel door for security
8FT Specifications
- External dimensions: 8′ × 8′ × 8′6″
- Floor area: ~64 sq ft
- Internal volume: ~480 cu ft
- Construction: Corten (weathering) steel, wind & watertight
- Condition: Refurbished
Ideal Uses
The 21ft x 8ft Office & Canteen Cabin is a versatile container office suited to a wide range of jobs, including:
- Construction site offices and command posts
- Backyard studios and home offices
- Remote workspaces and break rooms
- Modular classrooms and clinics
Construction & Durability
The 8ft office unit is built from refurbished steel, cleaned back and resealed — corrugated Corten panels that weather to a stable oxide layer instead of rusting through. Corner castings are forged and welded to the rails, so it can be lifted, stacked, and relocated without the frame racking out of square.
Delivery & Site Preparation
We ship the 8ft office unit across the Lower 48 on a tilt-bed at no charge to you. A short unit like this drops into tight yards and side lots that a 40ft delivery could never reach. Have the drop zone marked and clear on the day — the driver sets it once, and moving it afterwards means another truck.
Why Buy From Atlas Container Supply
Refurbished sits between the two: repaired, resealed and repainted, at a price well below one-trip. We inspect, then we list — no surprises on delivery day, and 30 days to return it if it is not right. More options in Container Home Office and the full container shop.
21ft x 8ft Office & Canteen Cabin – Frequently Asked Questions
What can I use it for?
This unit is ideal for construction site offices and command posts, backyard studios and home offices, and more — it adapts easily to residential, commercial, and industrial needs.
Is delivery included?
Shipping is free, and shows as $0 at checkout — not a surprise invoice afterwards. It covers tilt-bed delivery to your prepared pad anywhere we serve.
Can I return it?
You have 30 days. Note that return freight and a restocking fee may apply, which is set out in full on our refund and returns policy page.
Ready to order? Add the 21ft x 8ft Office & Canteen Cabin to your cart today and enjoy quality-inspected stock, secure checkout, and reliable delivery across the Lower 48 from Atlas Container Supply.









Reviews
There are no reviews yet.