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Home/Products/G+1 Joint Offices
Premium · Double the Space, Same Footprint

G+1 Two-Storey Portacabin Offices in the UAE

Two-storey joint cabin offices for project headquarters and busy sites where ground space is limited — heavy steel chassis, external staircase with handrails, and full office fit-out on both floors.

  • 2× floor area, same footprint
  • Engineered steel chassis
  • 10–40 staff layouts
  • Relocatable & re-stackable
WhatsApp for a QuoteCall +971 50 406 4465View Specifications
Two-storey G+1 portable cabin site office manufactured by Prefab CaravanG+1 portable cabin site office — Prefab Caravan build
  • Two-storey G+1 portable cabin site office manufactured by Prefab Caravan
  • Portable office modules stacked on a construction site
  • Crane on a UAE construction site used to place G+1 cabin modules
  • Open office workstations on the upper floor of a G+1 cabin
  • Manager office room inside a G+1 joint cabin
  • Single storey porta cabin module that can form part of a G+1 office

At a Glance

FromAED 95,000

Indicative starting price for a 12×6 m G+1 office (4 modules, ~144 m² total) excl. 5% VAT, delivery and crane. Final price depends on layout and fit-out.

  • Configuration2 to 8+ modules per floor, stacked G+1
  • Module size6×3 m or 12×3 m per module
  • StaffApprox. 10–40 workstations
  • Lead timeFrom 3–5 weeks after layout approval
  • InstallCrane placement, 1–3 days on site
Get Price on WhatsApp +971 50 406 4465
Overview

Twice the Office, Half the Ground

On a crowded UAE construction site, every square metre of ground is valuable. A G+1 joint office stacks a second floor of cabins on top of the first, giving you double the office area on the same footprint — ideal for a project headquarters housing the contractor, consultant and client teams together.

Single-storey cabins are not built to carry another floor. Our G+1 modules use a heavier steel chassis and columns designed for stacking, with bolted connections between floors, an external steel staircase with handrails and a covered upper walkway. Each floor can be laid out as you need: open-plan workstations, private offices, meeting and plan rooms, pantry and toilets.

When the project ends, the building is de-stacked, transported and re-assembled on your next site by our dismantling & re-assembly team. For smaller teams, a single-storey porta cabin site office may be all you need.

Space-Efficient

Double the usable area without taking more of your site — keeps laydown and parking space free.

Stack-Rated Structure

Heavier chassis, columns and inter-floor connections designed to carry the upper floor safely.

Whole Team Under One Roof

Contractor, consultant and client offices plus meeting rooms in one building.

Safe Access

External steel staircase with handrails, landing and guarded upper walkway.

Full Office Fit-Out

Partitions, false ceilings, lighting, data, AC, pantry and toilets on either floor.

Moves With You

De-stack, transport and re-erect on your next project instead of building new.

Sizes & Models

Popular G+1 Configurations

Sizes below are total building footprints. The total floor area is double the footprint. Any number of modules can be combined.

ConfigurationFootprintTotal Floor AreaApprox. StaffIndicative Price
G+1 Compact (2+2 modules)12 × 6 m≈144 m²10–16From AED 95,000
G+1 Standard (3+3 modules)12 × 9 m≈216 m²16–24From AED 140,000
G+1 Project HQ (4+4 modules)12 × 12 m≈288 m²24–32From AED 185,000
G+1 Large HQ (6+6 modules)12 × 18 m≈432 m²32–45From AED 270,000

Indicative prices in AED, excluding 5% VAT, delivery and site works. Custom sizes are built to order — every quote is confirmed after we review your drawings or site.

Technical Specifications

Engineered for Two Storeys

G+1 buildings carry more load and more people, so the structure, staircase and fire-safety specification step up from a standard cabin.

Structure

Chassis
Heavy steel RHS / hollow-section chassis per module
Columns
Corner columns designed for stacking loads
Connections
Bolted inter-module & inter-floor connections
Engineering
Structural design & calculations provided for approval

Staircase & Access

Staircase
External galvanised steel staircase with landing
Handrails
Handrails and guardrails to stairs & walkway
Walkway
Covered upper corridor / balcony
Treads
Anti-slip chequered plate or grating

Envelope

Walls
50–75 mm insulated sandwich panel
Roof
Insulated roof with drainage & downpipes
Fire option
Rock wool fire-rated panels
Finish
Pre-painted steel; ACP cladding option

Services

Electrical
Main DB + sub-DB per floor, concealed wiring
Data
CAT6 structured cabling option
Cooling
Split or ducted AC per room
Plumbing
Toilets & pantry on ground or both floors
Standard Package

What's Included

A standard G+1 office package includes:

  • Stack-rated steel modules for ground and first floor
  • Structural drawings and calculations
  • External steel staircase with handrails and landing
  • Upper-floor walkway with guardrails
  • Insulated walls and roof
  • Internal partitions per agreed layout
  • Vinyl flooring and false ceiling
  • Electrical wiring, DBs, LED lighting, sockets and AC points
  • Module joining, sealing and roof flashing
  • Crane placement and installation supervision
Complete Your Setup

Complete Your Project HQ

These items turn a G+1 building into a fully functioning headquarters. Several are typically required by consultants and Civil Defence for multi-storey cabins.

Fire Alarm & Second Escape

Essential

Fire alarm, detectors, emergency lighting, extinguishers and — for larger floors — a second staircase or escape route.

AC for Every Room

Essential

Split or ducted AC sized per room; upper floors need extra capacity due to roof heat gain.

Engineered Foundation Pads

Essential

Concrete pads or strip footings designed to carry the stacked load evenly.

Toilets & Pantry

Recommended

Gents/ladies toilets and a pantry on one or both floors.

Data, CCTV & Access Control

Recommended

Structured cabling, server shelf, CCTV and door access for the project team.

Office Furniture

Recommended

Workstations, meeting tables, plan chests and reception desk delivered installed.

ACP Façade & Signage

Optional

Branded façade and illuminated project signage for client-facing headquarters.

Shaded Parking & Walkways

Optional

Shade structures for staff parking and the building entrance.

Security Gatehouse

Optional

A matching security cabin at the compound entrance.

Applications

Ideal Applications

G+1 joint offices are the go-to choice wherever a large team needs a proper office on a tight footprint:

  • Contractor project HQs
  • Consultant & client offices
  • Engineering & plan rooms
  • Infrastructure & metro projects
  • Utility & energy sites
  • Logistics yard offices
  • Sales centres
  • Temporary corporate offices
Built for the UAE

Multi-Storey Cabins, UAE-Compliant

Two-storey cabins attract more scrutiny from consultants and authorities. We design for approval from the start.

Structural Documentation

Structural drawings and calculations supplied to support municipality, consultant and free-zone approvals.

Fire Safety

Rock wool (fire-rated) panel options, smoke detectors, extinguishers and emergency lighting for Civil Defence inspections.

50°C Summer Ready

Insulated sandwich panels, reflective roof finish and high-ambient AC sizing keep interiors workable through July and August heat.

Shamal Wind & Sand

Bolted frame, sealed joints and gasketed windows handle sandstorms; tie-downs available for exposed desert sites.

Coastal Humidity & Salt

Galvanised steel frame and pre-painted sheets resist corrosion in Dubai, Sharjah, Ajman and Fujairah coastal air.

All 7 Emirates

Delivery and installation from our Al Sajaa factory to Sharjah, Dubai, Abu Dhabi, Ajman, RAK, Fujairah, UAQ and Al Ain.

How It Works

From Enquiry to Handover

G+1 projects include a site survey and structural design stage before production begins.

  1. Brief & Site Survey

    We review your team size, plot, access for cranes and utility points.

  2. Layout & Engineering

    Floor plans for both levels plus structural drawings for approval.

  3. Factory Build

    Stack-rated modules fabricated and fitted out in our Sharjah factory.

  4. Crane Installation

    Ground floor placed and levelled, upper floor craned and bolted, staircase fixed.

  5. Connect & Handover

    MEP connected between floors, tested and handed over with drawings.

FAQ

G+1 Office Questions

How much does a G+1 portacabin office cost in the UAE?

A compact G+1 office with two modules per floor (about 144 m² total) starts from around AED 95,000 excluding VAT, delivery and crane. Larger headquarters are priced by number of modules and fit-out level.

Can I stack my existing single-storey cabins?

Usually not. Standard single-storey cabins are not designed to carry another floor. G+1 buildings need stack-rated chassis, columns and connections. We can assess your existing cabins and advise.

Do G+1 cabins need approval?

Most authorities and consultants require drawings and structural information for multi-storey temporary buildings. We supply layout and structural documentation to support your submission.

How long does installation take on site?

Once the base is ready, a typical G+1 office is craned into place in 1–3 days, followed by MEP connections and finishing.

Is the staircase internal or external?

Our standard design uses an external galvanised steel staircase with handrails and a covered walkway. Internal staircases are possible on larger custom buildings.

Can a G+1 office be relocated?

Yes. Modules are bolted and can be de-stacked, moved and re-erected. Our dismantling and shifting teams handle the full relocation.

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Dismantling & Re-Assembly

Dismantling & Re-Assembly

Joint cabins taken apart, moved and rebuilt with MEP reconnection.

View details →
Factory-Direct from Al Sajaa, Sharjah

Design Your G+1 Office

Share your team size and site plan — we'll propose a two-floor layout with structural approach and an itemised quote.

Al Sajaa Industrial Area, SharjahMon–Fri, 08:00–16:00info@prefabcaravan.ae
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About us

At Prefab Caravan, we specialize in delivering innovative, durable, and customizable prefabricated solutions for homes, offices, and more. With a commitment to quality and client satisfaction, we’re shaping the future of construction across the UAE and beyond.

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