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Steel & Storage · in partnership with HAF
Double-Stacking System — An Upper Floor Over Your Containers
From £3,200 + VATSteel & Storage's flagship system. Multistore units sit across pairs of 20ft containers, facing each other over a covered walkway, with a steel staircase and handrails. A complete upper floor on ground you already have.
Prices
| Part | Price |
|---|---|
| 5m stacking unit (spans two 20ft containers) | £3,200 + VAT |
| Staircase, walkway and handrails | Price on enquiry |
Layouts per pair of 20ft containers
| Layout | Upper units | Size each |
|---|---|---|
| 2 × single unit | 2 | 120 sq ft |
| 2 × 2-in-1 MultiStore | 4 | 60 sq ft |
| 2 × 3-in-1 MultiStore | 6 | 40 sq ft |
- Adds about 240 sq ft above every two containers
- Bolted into the containers' ISO corner castings
- 1.4m covered central walkway, galvanised anti-slip grating
- Final structural checks are done for each project
Prices are Steel & Storage's list prices (September 2026), per unit, excluding VAT, delivery and installation. Steel & Storage confirm the final price with you directly. Volume and trade pricing is available on bulk orders, and finance is available over 1 to 5 years through their lending partner.
Fill in one short form and Steel & Storage get it directly. They confirm the price, delivery and options with you. Prices shown exclude VAT, delivery and installation. Nothing here goes in the HAF basket.