ExpandaKabin Flat Pack Office Cabins. Hand Portable, Flat Pack Site Offices.

All New ExpandakabinThe Expandakabin flat-pack office cabin is a fully insulated demountable hand-portable cabin.

Due to its unique construction the Expandakabin flat-pack office cabin can be easily situated in previously inaccessible locations with all the parts being able to be carried by hand.

The complete flat pack office container can easily be assembled in 1-2 hours by 2-3 people using a socket set/spanners and screwdriver.

Expandakabin flat pack office cabin is fully modular and additional units can be linked side to side or end to end to create larger open plan office space at any time.

The market leading flat pack offices just got better!

  • Larger 805 x 1,135mm uPVC double glazed windows to enhance appearance.
  • The door and frame have increased steel thickness to improve security.
  • The roof now features specially designed die cast aluminium corners to improve appearance, strength and durability.
  • Now fully stackable using the optional stacking/lifting kit.

Flat Pack Expandakabin Features:

  • Insulated – 50mm insulation and powder coated finish inside & outside.
  • Hand Portable – No lifting gear or cranes required – each panel can be lifted by hand.
  • Demountable – Dismantles into flatpack form easily.
  • Modular – Individual Expandakabins can be linked together to form larger open plan office buildings.
  • Complete – Everything required for assembly is included in the kit. Simple to assemble
  • Quick to build – Ready for use in 45 minutes.
  • Ready Decorated – Interior walls and ceilings finished in off white powder coat. Vinyl sheet floor covering.
  • Flexible – door and window panels can be located in any position.

Manufactured from rust resistant galvanised steel, Expandakabin flat pack portable cabin has attractive smooth panelling, finished in a powder coated moss green (RAL 6005) on the outside.  The interior of the insulated flat pack cabin is pleasantly light and airy with a durable, smart off white (RAL 9002) powder coat finish to both walls and ceiling which suitable for surface mounted electrics.

As the flat pack office container is modular it can be enlarged, by bolting on further units to form larger open plan areas.  Simply remove the panels from the side or end of adjacent units, and join the Expandakabins together using an optional linking kit.  This panel system also means that doors and windows can be relocated within the Expandakabin structure.

All panels can be bought separately, so damaged ones can be replaced, or additional doors and windows can be added.

The Expanda-kabin flat pack office container has a guttered roof and features a double glazed uPVC window fitted as standard.

Once assembled the Expanda-Kabin can be moved by crane/forklift or demounted back into it’s neat flat-pack form for storage or transport purposes.

Expandakabin Flat Pack Office Sizes:

Length: 2.2m or 3.3m or 4.3m long
Width: 2.3m (2.404m with gutter)
Height: 2.345m (2.1m internal)

Expandakabin Flat Pack Office Plans

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Flat Pack ExpandaKabin Options and Accessories

All parts on the Expandakabin flat pack office container are replaceable, so if you accidentally drive a truck into your Expandakabin and damage a panel, you can quickly and easily replace it.  Or if you fancy having an additional window or door, buy one and slot it in.

Optional electric pack includes: Consumer unit, 2kW convector heater with fused switched spur, External CEE plug + socket, Double socket outlet, Light fitting & light switch, 10m × 1.5mm & 10m × 2.5mm cables, 3m × 16mm & 3m × 25mm self adhesive trunking.

ExpandaKabin Flat Pack Cabin Technical Details

Feature 2.3m 3.3m 4.3m
Length (external) 2,242mm 3,307mm 4,372mm
Length (internal) 2,130mm 3,195mm 4,260mm
Width (external) 2,383mm
Width (internal) 2,190mm
Width, flat packed 2,425mm
Height, flat packed 498mm
Height, assembled 2,350mm
Ceiling height 2,100mm
Chassis (complete) 168kg 240kg 312kg
Chassis (per section) 66kg 66kg 66kg
Blank Wall Panel 27kg 27kg 27kg
Window Panel 52kg 52kg 52kg
Door Panel 65kg 65kg 65kg
Inner Roof Panel 27kg 27kg 27kg
Outer Roof Panel 55kg 55kg 55kg
Total Weight 650kg 838kg 920kg
External Finish Electrostatic Powder Coated in RAL 6005
(Moss Green)
Internal Finish Electrostatic Powder Coated in RAL 9002

Expandakabin Flat Pack Office Construction Components

The main construction elements of the expandakabin flat pack office cabin / container are as follows:

  • Chassis with frame
  • Side wall panels
  • Roof panel
  • Door panel
  • Window panel
  • Fastening elements


Vacuum bonded sandwich panels. Insulation – 50mm polystyrene.  Outer surface – 0.60mm galvanised steel electrostatic powder coated in RAL 6005 (Moss Green).  Inner surface – 0.60mm galvanised steel electrostatic powder coated in RAL 9002 (Off-White).


Exterior covering – 0.60mm powder coated box profile galvanised steel with two gutters for effective rainwater disposal to all four corners. Interior – vacuum bonded sandwich panels. Insulation – 50mm polystyrene. Inner surface – 0.60mm galvanised steel powder coated in RAL 9002 (Off-White).

Snow loading – 100kg/m2 evenly distributed.


Box profile, hot dipped galvanised steel

Corner columns – 1.5mm cold formed DKP steel.

Supplied with 4 lifting eyes.

All surfaces are powder coated in RAL 6005 (Moss Green).


18mm OSB board fixed to galvanised box profile steel chassis, covered with 2mm PVC linoleum (flash point B1 difficult to burn, smoke density Q1).  Floor section has no insulation.

Floor loading – 250kg/m2 evenly distributed.


Frame – cold formed powder coated galvanised steel sheet min 1.25mm.  Outer Door – both surfaces powder coated (External – Moss Green, internal – Off-White) galvanised flat steel sheet.  0.60mm thick, complete with door handle and replaceable euro cylinder lock.  Size: 868mm wide x 1,900mm high (2′ 10″ x 6′ 3″).


Frames – cold formed powder coated galvanized steel sheet 1.25mm thick.
Window – uPVC double glazed window frame with vacuum sealed unit. (4+9+4).
Size – 805mm x 1135mm.
Type – vertically inward opening mechanism with single handle and lock.

Electrical Equipment

No electrical wiring and equipment fitted. The unit is designed to have a surface mounted electrical installation. Optional electrical kit pack available.

Additional Information

Doors and windows can be fitted anywhere in the unit.
All parts on the Expandakabin flat pack office container are replaceable, so if you accidentally drive a truck into your Expandakabin and damage a panel, you can quickly and easily replace it. Or if you fancy having an additional window or door, buy one and slot it in.

Expandakabin is not designed to comply with Building Regulations approval.

Expandakabin Flat Pack Cabin delivery:

We can deliver the Expandakabin flat pack office cabin nationwide. To keep costs low, delivery is made as part of a shared load using a 26 tonne lorry with a self offloading crane.

The Flat Pack Site Office and Many Other Uses:

Construction site accommodation / flat pack site office, Sales Offices, Home offices, School / college classrooms, Marketing Suites, Laundry rooms,  Workshops, Insulated stores, Park offices, Highway offices, Gatehouses, Military check points, Garden studios, Music rooms, Club houses, Scout & guide meeting rooms, Observation posts, Sleeping accommodation, Workers rest / sleep rooms, Security kiosks, flat pack offices.

Ideal for use in restricted city centre locations – London, Birmingham, Manchester etc.

The market leading Expandakabin is TP Structures top selling flat-pack self-build office system.  TP Structures only sells the genuine Expandakabin and Expanda products.

Available to purchase – supplied and delivered nationwide.

Finance options available, subject to status.

Assembly service  available in some areas

The Expandakabin is also known as Expanda-Kabin, Expandacabin, Expanda-Cabin, Expanderkabin, Expandercabin, Expander-Kabin and Expander-Cabin


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