Container Office Nairobi — Westlands Site Office Case Study
A leading construction company managing a high-rise development in Westlands, Nairobi, needed a professional site office — fast. Their site manager was working from a rented room in a nearby building, and client and subcontractor meetings had no dedicated space. We delivered a fully fitted 40ft container office in 10 days. Here is how it was done.
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The Challenge: Professional Office on a Congested Site
Construction sites in Nairobi's CBD and Westlands are some of the most space-constrained in Kenya. Every square metre of a city-centre site has a value, and temporary office space is typically an afterthought — until the site manager is trying to hold a client meeting over the sound of a generator.
Our client, a mid-size construction contractor managing a 12-storey residential development in Westlands, came to us with specific requirements:
- Professional appearance: Client meetings and architect site meetings needed a proper meeting room, not a site cabin
- Three separate spaces: Site manager's office, open plan for 2 quantity surveyors, and a small meeting room
- Bathroom: A flush WC and wash basin — no chemical toilets
- Communications: Structured data cabling for 3 workstations and a Wi-Fi access point
- AC: Essential for the enclosed steel environment
- Timeline: 10 working days maximum — the project was already behind schedule
- Relocatable: When this project ends in 18 months, the unit goes to the next site
Design and Specification
We proposed a single 40ft High Cube container — 30 sq.m of usable floor area, with the extra ceiling height of 2.89m giving the meeting room a genuinely impressive feel.
Floor plan layout (front to back): - Main entrance door (aluminium, keyed deadbolt) - Reception/waiting area (4 sq.m) - Open-plan QS workstation area (2 desks, data points, drawers) - Site manager's private office (partitioned with glass partition wall and glass door) - Meeting room (folding table, 6 chairs, whiteboard on wall) - Compact WC and wash basin (rear corner, partitioned)
Technical specification: - Insulation: 50mm PIR board, all walls and ceiling - False ceiling: Suspended PVC ceiling panels (white) - Partitions: Metal stud + gypsum, glass partition for site manager's office - Flooring: Anti-slip vinyl tiles throughout, ceramic tiles in WC - Electrical: 12-way MCB consumer unit, LED downlights in all areas, 3-pin sockets, 2 × 16A AC circuits - ACs: 2 × 1.5HP Midea split units (one in workstation area, one in meeting room / site manager's office area) - Structured cabling: Cat 6 data cabling to 3 workstations, 1 access point socket - Plumbing: Close-coupled WC, wash basin, 20L electric water heater, gravity drainage to temporary holding tank (pumped to sewer periodically) - Windows: 4 × aluminium casement windows with security grilles - Exterior: Two-coat epoxy paint in contractor's brand orange-and-grey colour scheme
Delivery and Installation
The Westlands site had limited access — a narrow street with overhead power lines and neighbouring construction. We coordinated with the site team on a delivery window at 6am on a Saturday when street traffic is minimal.
Day 1 (Saturday 6am): Container delivery by flatbed + crane. Placed on 4 compacted hardcore pads in the site corner. Container levelled with steel shims.
Days 2–4: All cutting and welding work — window and door openings, AC penetrations, plumbing entry point.
Days 5–7: Insulation, false ceiling framework, electrical rough-in, plumbing rough-in.
Days 8–9: Interior finishing (gypsum board, vinyl tiles, WC tiling), electrical completion (sockets, lights, consumer unit), plumbing completion (WC, basin, water heater).
Day 10: AC installation and commissioning, structured cabling termination, exterior painting completion, deep clean, snag-list walkthrough.
Day 10, afternoon: Keys handed to site manager. The client moved his team in the following Monday morning.
Outcome and Client Feedback
The site manager's comment at handover: "This is better than the office I have at head office."
What worked exceptionally well:
Meeting room: The first client presentation meeting in the new container office impressed the client significantly — a professional, AC-cooled room with presentation materials displayed on the whiteboard, in contrast to the site hoarding and scaffolding visible through the window, demonstrated that the contractor took quality seriously.
Glass partition: The glass partition between the open-plan area and the site manager's office maintained visibility and natural light flow while giving the manager acoustic privacy for phone calls.
False ceiling and LED lighting: The suspended PVC ceiling and LED downlights gave the space a decidedly non-temporary feel — visitors frequently commented that they hadn't realised it was a container.
Relocatability: The project entered its final phase 15 months later. The container was crane-lifted, loaded, and moved to the contractor's next project in Kiambu in a single Saturday morning operation — at a cost of Kshs 45,000. The second project needed no modifications — the office was already perfect.
Total project cost: Kshs 1,250,000 including all fit-out, delivery, and installation. At an amortised cost of Kshs 83,000/month over 15 months, this compared favourably with renting equivalent office space in Westlands at Kshs 120,000–180,000/month — with none of the asset value, relocatability, or branding benefits.
Frequently Asked Questions
How quickly can a container office be set up in Nairobi?+
A single container office can typically be set up in 10–14 working days from order confirmation to handover. Basic site offices can be ready in as little as 7 days. The key bottleneck is usually site preparation (foundation/hardcore) rather than fabrication.
Can a container office have a proper bathroom?+
Yes. We regularly include a compact WC and wash basin in container offices. Water supply can be from a water tank or mains connection. For sites without sewer access, we use a collection tank that is emptied by a bowser service, or connect to a portable biodigester.
Is a container office cheaper than renting office space in Nairobi?+
Almost always, yes. A Kshs 1,200,000 container office amortised over 24 months costs Kshs 50,000/month equivalent — less than renting modest office space in most Nairobi suburbs. After 24 months, the container still has significant resale value. Rented space has zero residual value.
Can the container office be moved when the project ends?+
Yes — this is one of the primary advantages. A container office can be crane-lifted, placed on a flatbed truck, and relocated to a new site. The cost to relocate within Nairobi is typically Kshs 30,000–60,000. Most clients reuse their container office across multiple projects.
Can we brand the container in our company colours?+
Yes. We painted this container in the client's specific brand orange-and-grey colour scheme at no extra charge (colour matching is included in the paint cost). We can also apply vinyl signage, company logos, and safety notices to the exterior.
What power supply is needed for a container office?+
A standard single-phase KPLC supply (230V, 60A) is sufficient for most container offices, including lighting, data, and up to 2 split-unit ACs. For sites with three-phase power available, we wire for three-phase as standard.
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