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What you can't store

Checked Oct 2026 · numbers from the live index and the SSA UK 2026 report

Every storage agreement carries the same list. It is shorter than people fear and stricter than people expect.

The prohibited list is near-identical across the industry because it comes from the same insurance and licensing logic. The standard exclusions:

  • Anything that burns or explodes: petrol, gas bottles, paint thinners, fireworks, ammunition. Includes the petrol in a stored mower; drain it first.
  • Anything that was alive or feeds things that are: food (even tinned, in most agreements), plants, animal feed. One forgotten bag of rice invites every mouse in the postcode.
  • Anything alive: no plants, no animals. Always surprising that it needs writing down; it needs writing down.
  • Irreplaceables and value-in-paper: cash, jewellery, original documents. Not banned for danger but because cover will not make you whole.
  • Anything illegal or on the move: no unregistered vehicles, nothing you could not explain to a police officer at the roller door.

The in-between cases

Batteries and e-bikes: increasingly restricted; lithium fires are the industry's current nightmare, so ask before storing anything with a large battery. Wine: fine in most agreements but bad in most units; temperature swings ruin it, so use bonded wine storage. Business stock: fine, and common, as long as nothing on the list above hides in the pallets.

The same list applies to collection storage: BoxSpeed's crews check at the door, which is friendlier than discovering a breach when a claim fails.

Questions

Can you store food in a storage unit?

Almost never, including most tinned food under most agreements. It attracts pests to the whole building, which is why the ban is absolute rather than practical.

Can I store a car battery or e-bike?

Increasingly restricted: large lithium batteries are the industry's biggest current fire concern. Ask the store first; expect a no for e-bike batteries and a shrug for a car battery kept dry.

Why can't I store cash or jewellery?

Not because it is risky for the store but because storage cover will not replace it: policies cap or exclude cash, jewellery and documents. A bank deposit box costs less than the uncovered risk.

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