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THUNDERBOX Onshore

A pre-assembled modular unit with a discreet footprint. Designed for onshore deployment across wind, BESS and solar projects. Galvanised chassis with protective paint coating; insulated walls and roof; single-lift configuration with four LOLER-rated lifting points.

THUNDERBOX Onshore — orange-framed white-door unit
Dimensions
2155 × 1105 × 1376mm
Dry Weight
250kg
Lifting Points
4 × LOLER-Rated
Optional
Forklift Pockets
Inside The Onshore Unit

Same internal standard. Built for Onshore.

Plumbing-free dry-flush toilet, plug-and-play hot/cold sink, fresh and waste water tanks, paper towel dispenser, mirror, external PPE hooks. SNOAP solid soap as standard.

Natural daylight via a privacy-screened double-glazed window in the door. LED lighting with PIR. Passive ventilation with cowled external vents.

THUNDERBOX Onshore interior — orange frame, WC, basin, Belgravia dispenser

See It In Action

Technical Specification

The numbers, in full.

External Dimensions 2155mm (H) × 1105mm (W) × 1376mm (D)
Weight 250kg
Chassis Galvanised U & C channel steel sections with protective paint coating for marine durability
Walls & Roof Insulated composite panels — galvanised steel inner and outer skins with polyurethane core
Floor Pre-fitted checker plate, mechanically fixed to supporting structure
Door Insulated galvanised steel panel in steel frame, with privacy-screened double-glazed window
Lifting 4 × reinforced lifting points at roof corners. LOLER / Schedule 4 compliant with SWL identification
Forklift Handling Optional forklift pockets — increases overall height and weight, consider in logistics planning
Power External IP-rated input. Accepts generator, fixed grid (WTG / FOU) or battery sources
Lighting Internal LED with PIR control. Natural daylight via privacy-screened double-glazed door window
Ventilation Passive — high and low diagonal vents on opposing sides. External cowls reduce water ingress
More From The Range

Explore the other variants.

THUNDERBOX Offshore

THUNDERBOX Offshore

Marine-rated. 350kg dry weight. Single-point lifting eye.

THUNDERBOX FlatPack

THUNDERBOX FlatPack

Modular flatpack for in-situ assembly. 150kg total. Two-person build in 2 hours.