21ft x 8ft Custom Office Cabin – Refurbished Portable Building with A/C & Glazed Entry Door
The 21ft x 8ft Custom Office Cabin – Refurbished Portable Building with A/C & Glazed Door offers a sleek, secure, and functional workspace solution, ideal for on-site management, small businesses, or private home offices.
This fully refurbished container office has been restored inside and out, featuring a new glazed UPVC entrance door, Silver Oak vinyl flooring, LED lighting, and full electrical fit-out for immediate use.
Equipped with air-conditioning (heating and cooling), this portable office ensures year-round comfort while maintaining the robust durability of a steel anti-vandal construction.
Key Features
- Condition: Fully Refurbished – Excellent internal and external condition.
- Size: 21 ft (L) × 8 ft (W) – Spacious open-plan layout ideal for desks, storage, or meeting areas.
- Construction: Heavy-duty steel anti-vandal shell for superior security and weather resistance.
- Exterior Finish: Painted in Graphite Grey for a modern, professional appearance.
- Climate Control: Fitted with air-conditioning system (heating & cooling) for year-round comfort.
- Entry Door: New fully glazed white UPVC lockable entrance door with keys.
- Windows:
- (3) 900 mm × 900 mm sliding windows – standard design without AV shutters for natural light and ventilation.
- Flooring: New Silver Oak HB vinyl flooring — durable, easy to clean, and stylish.
- Lighting: (3) LED panel lights controlled via wall switch.
- Electrical Fit-Out:
- (6) double sockets
- Internal consumer unit with external isolator for safety and convenience.
Specifications
| Specification | Details |
|---|---|
| External Length | 21 ft (6.4 m) |
| External Width | 8 ft (2.44 m) |
| External Height | 8 ft 6 in (2.59 m) |
| Internal Layout | Open-Plan Office |
| Condition | Refurbished / Excellent |
| Construction | Steel Anti-Vandal |
| Exterior Finish | Graphite Grey |
| Flooring | Silver Oak HB Vinyl |
| Lighting | 3 × LED Panels |
| Power Outlets | 6 × Double Sockets |
| Heating/Cooling | Air-Conditioned (Heating & Cooling) |
| Windows | 3 × 900 mm Sliding Windows |
| Doors | 1 × Fully Glazed White UPVC Lockable Door |
| Electrical | Consumer Unit with External Isolator |
| Delivery | Nationwide Delivery Available |
Applications
- Construction or jobsite office
- Remote or project-based workspace
- Home or garden office
- Temporary administration or retail unit
- Portable classroom or studio space
Benefits
- Fully Refurbished & Ready to Use: Professionally finished inside and out.
- Climate-Controlled Comfort: Built-in A/C for all-season operation.
- Secure & Durable: Steel anti-vandal construction for long-term protection.
- Modern Aesthetic: Graphite Grey exterior with white glazed entry door for a clean, contemporary look.
- Plug-and-Play Setup: Pre-wired and ready for immediate use upon delivery.
Why Choose the 21ft x 8ft Custom Office Cabin – Refurbished Portable Building with A/C & Glazed Door?
This 21ft portable container office offers the ideal combination of mobility, comfort, and professional design.
With air-conditioning, full electrical fit-out, and a refurbished open-plan interior, it’s a turnkey workspace solution for any environment, from construction sites to home-based businesses.
Ronan O’Malley (verified owner) –
Excellent for equipment storage. Fits my tractor and all my attachments with room to spare. The double doors are a must.
Antonio Ferrara (verified owner) –
Doors operate smoothly. Something you don’t think about until you get a bad one. These are well-maintained.
Leo Carter (verified owner) –
Grade was a bit optimistic. I paid for a “wind and watertight” grade, but the floor has a few more worn spots than I expected. It’s still functional for my storage needs, but I feel I slightly overpaid for the condition.
Sebastian Hart (verified owner) –
A few more dings than expected. Bought a “used” grade. It’s structurally sound and watertight, but has a few more cosmetic scratches and dents than the photo suggested. Still fully functional and good value.
Nathaniel Blackwood (verified owner) –
Logistical geniuses. Coordinated delivery across three states for multiple site deliveries. Flawless execution.
Victor Sokolov (verified owner) –
Transformed into a gorgeous home. We worked with Colli Trans to source two 40ft high cubes for our container home project. The quality is outstanding and the structural integrity is perfect.
Leif Erikson (verified owner) –
Highly recommend for farmers. We use it for grain storage (with proper liners). It’s completely rodent-proof.
Richard Ashford (verified owner) –
Perfect container, perfect service. What more can you ask for?
Frederick Sinclair (verified owner) –
The container was delivered on time and in even better condition than the photos showed. Highly recommend Colli Trans!
Isabella Moretti (verified owner) –
The go-to for shipping containers. I’m in logistics and I recommend them to all my clients
Bianca Rossi (verified owner) –
Okay, but had an issue. The container we received had a small leak around one of the corner castings that wasn’t apparent on delivery. Customer service was responsive and sent a repair crew out within a week to fix it. Problem was solved, but it was an inconvenience.
Lawrence Middleton (verified owner) –
The go-to for shipping containers. I’m in logistics and I recommend them to all my clients
Oscar Diaz (verified owner) –
The container was delivered on time and in even better condition than the photos showed. Highly recommend Colli Trans!
Jena Farah (verified owner) –
The container was delivered on time and in even better condition than the photos showed. Highly recommend Colli Trans!
Amelia Reed (verified owner) –
Fantastic customer service. Maria walked me through every step as a first-time buyer. Felt completely confident in my purchase. The container is now my perfect backyard workshop.
Caleb Vance (verified owner) –
They answer their phones! So many companies don’t. A real person always picks up.
Nathaniel Blackwood (verified owner) –
Very good overall. The container itself is great quality. Delivery was a few days later than initially hoped, but the communication was good so it wasn’t a big issue. Four stars.
Greta Weber (verified owner) –
Refrigerated container for my farm stand. Works perfectly! It was delivered with a full service history. Colli Trans made a complex purchase simple.
Nikolai Ivanov (verified owner) –
No rust issues. Even the used containers are properly inspected and treated.
Rajesh Yadav (verified owner) –
Communication could be improved. It was hard to get a straight answer on the exact delivery date. When it did arrive, it was correct, but the lack of updates was stressful.
Astrid Lindgren (verified owner) –
Perfect for international shipping. Used Colli Trans to ship goods overseas. The container was compliant and the paperwork was handled flawlessly. A+ for international logistics.
Caleb Zhang (verified owner) –
Excellent for equipment storage. Fits my tractor and all my attachments with room to spare. The double doors are a must.
Tessa Ali (verified owner) –
Modification wasn’t perfect. We ordered a container with a added man-door. The door works, but the finish around the weld is a bit rough. It’s on the back so it’s not a huge deal, but for the price of the mod, I expected cleaner work.
Fiona O’Rourke (verified owner) –
Exceeded expectations
Isabella Rossi (verified owner) –
Excellent for equipment storage. Fits my tractor and all my attachments with room to spare. The double doors are a must.
Tobias King (verified owner) –
Simple online process. I bought my container entirely online. It was as easy as buying a book.
Clara Bennett (verified owner) –
Excellent for equipment storage. Fits my tractor and all my attachments with room to spare. The double doors are a must.
Maria Flores (verified owner) –
Bought one for my son’s startup. He’s using it for his automotive parts business. It was the perfect starter solution.
Natalia Petrova (verified owner) –
Used it as a stage for a music festival. Looked awesome and was super secure for gear overnight.
Victor Sokolov (verified owner) –
Exceeded expectations
Paige Robertson (verified owner) –
The lock-rods were a little stiff. A bit of WD-40 fixed them right up. Probably from sitting in a yard.
Hector Ramirez (verified owner) –
Robust and reliable. This is my 3rd container from Colli Trans for my various business sites. Consistent quality every time.
Anya Sharma (verified owner) –
Quick delivery! Ordered on Monday, had my 40ft high cube delivered to my rural property on Wednesday. Impressed with the logistics.
Caleb Okafor (verified owner) –
Flawless delivery to a tricky site. My driveway is narrow and on a hill. The driver managed it with no issues. Very impressed.
Ethan Hayes (verified owner) –
Highly recommend for farmers. We use it for grain storage (with proper liners). It’s completely rodent-proof.
Kenji Tanaka (verified owner) –
Great product, minor delivery hiccup. The container is perfect for our needs. The driver was great, but the delivery window was a bit wide (8am-5pm). Would still recommend.
Anika Chowdhury (verified owner) –
Damage on delivery. The container was dropped during placement, causing a bend in the door frame that now makes it difficult to seal properly. It’s been two weeks and I’m still waiting on a resolution from their claims department. Very frustrating.
Samuel Jones (verified owner) –
Perfect mobile office. We had it modified with insulation, power, and A/C. It’s now the best office on our construction site.
Omar Hassan (verified owner) –
Secure storage solution. After a break-in in our shed, we invested in this. The lockbox system is robust. We sleep much better now.
Hector Ramirez (verified owner) –
A+ Company. From the initial quote to the final delivery, everything was professional and efficient.
Jena Farah (verified owner) –
It’s a container. It does the job. Nothing special to report, positive or negative. It holds my stuff.
Elara Whitlock (verified owner) –
Easy to customize. Hired a local welder to add windows and a door. He commented on the good quality of the steel.
Benjamin Clarke (verified owner) –
Robust and reliable. This is my 3rd container from Colli Trans for my various business sites. Consistent quality every time.
Caleb Zhang (verified owner) –
Overall happy. A reliable company with a good product. Not “blown away,” but completely satisfied.
Rajesh Yadav (verified owner) –
Logistical geniuses. Coordinated delivery across three states for multiple site deliveries. Flawless execution.
Celeste Dubois (verified owner) –
Okay, but had an issue. The container we received had a small leak around one of the corner castings that wasn’t apparent on delivery. Customer service was responsive and sent a repair crew out within a week to fix it. Problem was solved, but it was an inconvenience.
Walter Ellis (verified owner) –
Great product, minor delivery hiccup. The container is perfect for our needs. The driver was great, but the delivery window was a bit wide (8am-5pm). Would still recommend.
Nathaniel Blackwood (verified owner) –
Best price I found after weeks of searching. Don’t bother looking elsewhere. Colli Trans has the best prices and the best quality.
Oscar Diaz (verified owner) –
Great communication. Received regular updates on the delivery status. The driver was professional and skilled, placing it exactly where I wanted.
Walter Ellis (verified owner) –
The go-to for shipping containers. I’m in logistics and I recommend them to all my clients
Silas Vance (verified owner) –
Excellent container, some paperwork confusion. The 40ft high cube we bought is flawless. There was a small mix-up with the original documentation, but it was sorted within a day. Product is 5-star, service 4-star.
Eleanor Vance (verified owner) –
Good value for money. There might be slightly cheaper options, but the quality and peace of mind here are worth it.
Mei Lin (verified owner) –
On-site storage during renovation. Lifesaver! Kept all our furniture dry and safe for 6 months. Easy on/off-hire process.
Walter Ellis (verified owner) –
Good value for money. There might be slightly cheaper options, but the quality and peace of mind here are worth it.
Robert Langley (verified owner) –
Fantastic customer service. Maria walked me through every step as a first-time buyer. Felt completely confident in my purchase. The container is now my perfect backyard workshop.
Sophie Baker (verified owner) –
Customer for life. After this experience, I won’t go anywhere else.
Anika Chowdhury (verified owner) –
Good value for money. There might be slightly cheaper options, but the quality and peace of mind here are worth it.
Daniel Kim (verified owner) –
Wind and watertight, just as promised. We’ve had torrential rain and high winds, and the inside is bone dry.
Samuel Green (verified owner) –
The best in the business. I’ve used other companies, but Colli Trans is a cut above.
Pavel Nowak (verified owner) –
Helped me expand my business. The extra storage space allowed me to take on more inventory and grow.
Samuel Green (verified owner) –
A few more dings than expected. Bought a “used” grade. It’s structurally sound and watertight, but has a few more cosmetic scratches and dents than the photo suggested. Still fully functional and good value.
Ingrid Bjorn (verified owner) –
Great foundation for a tiny home. The structure is straight and true, making conversion much easier.
Selena Vega (verified owner) –
Peace of mind. Knowing my assets are secure in a Colli Trans container is priceless.
Alexander Pope (verified owner) –
Great foundation for a tiny home. The structure is straight and true, making conversion much easier.
Benjamin Clarke (verified owner) –
A few more dings than expected. Bought a “used” grade. It’s structurally sound and watertight, but has a few more cosmetic scratches and dents than the photo suggested. Still fully functional and good value.
Marcus Thorne (verified owner) –
Flawless delivery to a tricky site. My driveway is narrow and on a hill. The driver managed it with no issues. Very impressed.
Hazel Fletcher (verified owner) –
Great for a pop-up shop! We customized a 10ft container for our coffee business. The team was great with the modifications. A total game-changer.
Clara Bennett (verified owner) –
Excellent for equipment storage. Fits my tractor and all my attachments with room to spare. The double doors are a must.
Ethan Hayes (verified owner) –
Perfect for my new business! Bought a 20ft container to use as a storage unit for my landscaping company. The process was seamless from start to finish.
Chloe Williams (verified owner) –
Floor is in great condition. Solid timber, no soft spots. Important for heavy pallets.
Jena Farah (verified owner) –
The go-to for shipping containers. I’m in logistics and I recommend them to all my clients
Rafael Silva (verified owner) –
Good experience, would use again. Solid company, solid product. Nothing flashy, just does what it says on the tin.
Gemma Taylor (verified owner) –
Fantastic customer service. Maria walked me through every step as a first-time buyer. Felt completely confident in my purchase. The container is now my perfect backyard workshop.
Dominic Russo (verified owner) –
Bought for a disaster relief organization. Colli Trans worked with us on pricing and delivered quickly to a crisis area. Thank you for your compassion.
Nia Johnson (verified owner) –
Great communication. Received regular updates on the delivery status. The driver was professional and skilled, placing it exactly where I wanted.
Harriet Jones (verified owner) –
Bought for a disaster relief organization. Colli Trans worked with us on pricing and delivered quickly to a crisis area. Thank you for your compassion.
Simon Fletcher (verified owner) –
Highly recommend for farmers. We use it for grain storage (with proper liners). It’s completely rodent-proof.
Lena Vogel (verified owner) –
A+ Company. From the initial quote to the final delivery, everything was professional and efficient.
Iris Wang (verified owner) –
Excellent container, some paperwork confusion. The 40ft high cube we bought is flawless. There was a small mix-up with the original documentation, but it was sorted within a day. Product is 5-star, service 4-star.
Freya Jansen (verified owner) –
No leaks! After years of dealing with leaky sheds, this is a dream.
Lena Vogel (verified owner) –
Delivery was on time, but the driver was a bit rushed. He was efficient, but not as careful with my lawn as I would have liked. No major damage, though.
Liam O’Connell (verified owner) –
A few more dings than expected. Bought a “used” grade. It’s structurally sound and watertight, but has a few more cosmetic scratches and dents than the photo suggested. Still fully functional and good value.
Holly Weaver (verified owner) –
A few more dings than expected. Bought a “used” grade. It’s structurally sound and watertight, but has a few more cosmetic scratches and dents than the photo suggested. Still fully functional and good value.
Andrej Kovac (verified owner) –
Perfect for storage, delivery was tricky. The container is great. My site access is difficult and it took the driver a couple of attempts to get it positioned. The team was patient, but it cost an extra hour of labor.
Clara Becker (verified owner) –
Perfect for international shipping. Used Colli Trans to ship goods overseas. The container was compliant and the paperwork was handled flawlessly. A+ for international logistics.
Walter Ellis (verified owner) –
Very good overall. The container itself is great quality. Delivery was a few days later than initially hoped, but the communication was good so it wasn’t a big issue. Four stars.
Mei Lin (verified owner) –
Delivery was on time, but the driver was a bit rushed. He was efficient, but not as careful with my lawn as I would have liked. No major damage, though.
Elias Frost (verified owner) –
Started a container garden! Bought a used one, drilled holes for drainage, and now have raised beds. Creative uses are endless!
Mona Lewis (verified owner) –
Good for chemical storage. We use it with proper ventilation for safe storage. The steel construction is ideal.
Omar Wilson (verified owner) –
Grade was a bit optimistic. I paid for a “wind and watertight” grade, but the floor has a few more worn spots than I expected. It’s still functional for my storage needs, but I feel I slightly overpaid for the condition.
Christian Wolfe (verified owner) –
The container was delivered on time and in even better condition than the photos showed. Highly recommend Colli Trans!
Ingrid Bjorn (verified owner) –
Excellent container, some paperwork confusion. The 40ft high cube we bought is flawless. There was a small mix-up with the original documentation, but it was sorted within a day. Product is 5-star, service 4-star.
Yasmine Said (verified owner) –
Reliable. The container arrived exactly when they said it would.
Greta Weber (verified owner) –
Used it as a temporary garage. Worked great while I rebuilt my old shed.
David Chen (verified owner) –
Good experience, would use again. Solid company, solid product. Nothing flashy, just does what it says on the tin.
Tobias King (verified owner) –
Great communication. Received regular updates on the delivery status. The driver was professional and skilled, placing it exactly where I wanted.
Daphne Croft (verified owner) –
Great for artists/studios. I soundproofed mine and it’s the perfect quiet space to paint and create.
Benjamin Clarke (verified owner) –
Helped me expand my business. The extra storage space allowed me to take on more inventory and grow.
Chloe Davis (verified owner) –
Disappointed with condition. Advertised as “good condition,” but it arrived with significant rust on the underside and a noticeable dent on one side that wasn’t in the listing photos. It’s still usable for my low-priority storage, but I feel misled.
Lillian Gra (verified owner) –
A solid 10/10.
Priya Patel (verified owner) –
Simple online process. I bought my container entirely online. It was as easy as buying a book.
Florence Church (verified owner) –
Reliable. The container arrived exactly when they said it would.
Mona Lewis (verified owner) –
Refrigerated container for my farm stand. Works perfectly! It was delivered with a full service history. Colli Trans made a complex purchase simple.
Simon Fletcher (verified owner) –
The go-to for shipping containers. I’m in logistics and I recommend them to all my clients
Maxwell Stone (verified owner) –
Delivery was a hassle. The container was fine, but coordinating the delivery was frustrating. Had to reschedule twice on their end. Once it arrived, all was good.
Dimitri Volkov (verified owner) –
Well-painted. The paint job is durable and looks professional.
Margot Dupont (verified owner) –
Good value for money. There might be slightly cheaper options, but the quality and peace of mind here are worth it.
Yuki Nakamura (verified owner) –
Flawless delivery to a tricky site. My driveway is narrow and on a hill. The driver managed it with no issues. Very impressed.
Hector Ramirez (verified owner) –
Great communication. Received regular updates on the delivery status. The driver was professional and skilled, placing it exactly where I wanted.
Cassandra Bellamy (verified owner) –
The website is accurate. What you see is what you get. No nasty surprises upon delivery.
Mateo Garcia (verified owner) –
Perfect for a hunting cabin. Insulated it myself, holds heat great. Withstood a heavy snow load no problem.
Julian Ashworth (verified owner) –
Top-notch quality
Bianca Rossi (verified owner) –
No rust issues. Even the used containers are properly inspected and treated.
Julian Hart (verified owner) –
Perfect container, perfect service. What more can you ask for?
Arjun Mehta (verified owner) –
Used it as a stage for a music festival. Looked awesome and was super secure for gear overnight.
Astrid Lindgren (verified owner) –
Highly recommend for farmers. We use it for grain storage (with proper liners). It’s completely rodent-proof.
Talia al-Jamil (verified owner) –
The website is accurate. What you see is what you get. No nasty surprises upon delivery.
Akio Tanaka (verified owner) –
Modification wasn’t perfect. We ordered a container with a added man-door. The door works, but the finish around the weld is a bit rough. It’s on the back so it’s not a huge deal, but for the price of the mod, I expected cleaner work.
Julian Ashworth (verified owner) –
Perfect for my new business! Bought a 20ft container to use as a storage unit for my landscaping company. The process was seamless from start to finish.
George Miller (verified owner) –
Clear pricing. No haggling required. The price is competitive and fair.
Daphne Croft (verified owner) –
A few more dings than expected. Bought a “used” grade. It’s structurally sound and watertight, but has a few more cosmetic scratches and dents than the photo suggested. Still fully functional and good value.
Daisy Fielding (verified owner) –
Disappointed with condition. Advertised as “good condition,” but it arrived with significant rust on the underside and a noticeable dent on one side that wasn’t in the listing photos. It’s still usable for my low-priority storage, but I feel misled.
Sienna Blake (verified owner) –
Solid investment. Bought two for a construction site. They’re secure, weatherproof, and have taken a beating without a scratch. Will be using them for years.
Elias Frost (verified owner) –
Clear pricing. No haggling required. The price is competitive and fair.
Astrid Lindgren (verified owner) –
The best in the business. I’ve used other companies, but Colli Trans is a cut above.
Talia al-Jamil (verified owner) –
Great communication. Received regular updates on the delivery status. The driver was professional and skilled, placing it exactly where I wanted.
Anika Chowdhury (verified owner) –
Robust and reliable. This is my 3rd container from Colli Trans for my various business sites. Consistent quality every time.
Fatima Zahra (verified owner) –
Friendly staff. Everyone I spoke to was knowledgeable and helpful.
Ingrid Sorensen (verified owner) –
Fantastic customer service. Maria walked me through every step as a first-time buyer. Felt completely confident in my purchase. The container is now my perfect backyard workshop.
Elias Frost (verified owner) –
Great communication. Received regular updates on the delivery status. The driver was professional and skilled, placing it exactly where I wanted.
Juniper Lee (verified owner) –
Wish there were more photos online. The container is fine, but I would have liked to see photos of all four sides and the interior floor before purchasing.
Arthur Pendleton (verified owner) –
Flexible payment options. Made the purchase much easier for my cash flow.
Naomi Kim (verified owner) –
On-site storage during renovation. Lifesaver! Kept all our furniture dry and safe for 6 months. Easy on/off-hire process.
Hector Ramirez (verified owner) –
Delivery was a hassle. The container was fine, but coordinating the delivery was frustrating. Had to reschedule twice on their end. Once it arrived, all was good.