20ft x 10ft Jackleg Portable Site Office Cabin | Secure UK Welfare Unit

20ft x 10ft Jackleg Office Cabin – Secure UK Welfare Unit

The 20ft x 10ft Jackleg Portable Site Office Cabin is the industry standard for contractors, civil engineering firms, and commercial facilities requiring immediate office space. With a total floor area of nearly 200 sq ft, this portable office comfortably accommodates 3 to 4 workstations alongside filing storage and meeting space.

Equipped with four corner – mounted steel jackleg posts, these cabins can be easily leveled on uneven ground, gravel, or unpaved construction zones without requiring expensive concrete foundations.

Key Functional Features & Construction Highlights

1. Heavy – Duty Jackleg Levelling System

• Adjustable Steel Legs: Each corner is fitted with a structural jackleg mechanism, allowing precise vertical adjustment so the cabin remains perfectly level on sloped sites or soft ground.

• Stackable Capabilities: Reinforced steel corner posts allow double – stacking setups with external steel staircases when site footprint is limited.

2. Fully Insulated & Climate – Controlled Interior

• Year – Round Comfort: Lined with premium thermal insulation across walls, ceiling, and floor cavity to retain heat during winter and keep the interior cool in summer.

• Low – Maintenance Surfaces: Finished with smooth, wipe – clean plastic – coated steel or wallboard interiors designed for high – traffic construction environments.

3. Complete Pre – Wired Electrical & Security Package

• Plug – and – Play Electrics: Includes a surface – mounted 32A external inlet, consumer unit, high – output LED batten lights, and multiple double power sockets for computers and chargers.

• Integrated Heating: Fitted with a thermostatically controlled 2kW wall – mounted convector heater for reliable temperature control.

• Enhanced Site Security: Outfitted with high – security steel personnel doors and double – glazed UPVC windows featuring integral steel security shutters or window grilles.

Technical & Dimensional Specifications

Specification Feature	External Dimensions	Internal Cavity Dimensions	Operational Specs
Length	20 ft 0 in (6.10 m)	19 ft 3 in (5.87 m)	Height Adjustment: Up to 250mm per leg
Width	10 ft 0 in (3.05 m)	9 ft 3 in (2.82 m)	Wall Insulation: 50mm EPS / PIR insulation panels
Height	8 ft 6 in (2.59 m)	7 ft 6 in (2.29 m)	Window System: Double – glazed UPVC with security shutters
Tare Weight (Empty)	~2,800 kg – 3,200 kg	–	Door System: Steel personnel door with 5 – lever deadlock
Electrical Package	32A Single – Phase Consumer Unit, 2x LED Batten Lights, 2kW Convector Heater, 4x Double Sockets	–	–
Flooring	Heavy – duty commercial – grade anti – slip vinyl over marine plywood subfloor	–	–

Delivery, Site Setup & Crane Requirements

1. Delivery Lorry: Transported directly to your location using a dedicated HIAB crane lorry for precise unloading and positioning.

2. Access Requirements: Requires a minimum of 50 ft (15.2 m) straight – line clearance for HIAB truck positioning and leg outrigger deployment.

3. Site Foundation: Can be installed directly onto compacted gravel, hardstanding asphalt, or block pads using the adjustable jacklegs for final leveling.

Frequently Asked Questions

Do I need planning permission for a 20ft x 10ft jackleg office cabin in the UK?

In most cases, portable jackleg cabins used as temporary site accommodation on active construction sites do not require formal planning permission. However, if the unit remains in place for more than 28 continuous days on non – construction commercial land, you should check with your local planning authority.

How are jackleg office cabins leveled on uneven ground?

Jackleg cabins feature heavy – duty steel posts at each corner. These adjustable jacklegs allow site crews to raise or lower individual corners by up to 250mm, ensuring a perfectly level floor even on unpaved gravel or sloping sites.

What power supply is required for a 20ft x 10ft jackleg cabin?

The cabin comes fully pre – wired with a standard 32A single – phase 230V external commando plug. It can be powered directly via a site mains supply, temporary distribution board, or on – site diesel generator.