Every UK self storage facility requires you to hold contents cover for the whole time your belongings are with them. That is a condition of the rental agreement rather than a sales tactic, and it exists because the facility’s own liability for your goods is tightly limited by the contract you sign.
You have three ways to satisfy it: buy the protection the facility offers at the counter, extend your existing home contents policy, or take out a standalone storage policy. The second is the one people assume will work and the one that most often falls short, because typical home contents cover for goods away from the home is capped at around 10 percent of the total sum insured and frequently limited to 30 to 60 days.
Quick answer: Check your home contents policy first, but read two things: the off-premises limit, often around 10 percent of your contents sum insured, and the time limit, often 30 to 60 days. If you are storing a household for longer than that, you need a dedicated policy. Standalone storage cover starts from around £15 a year for modest values.
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The three ways to cover a unit
| Option | Typical cost | Best for | Main limitation |
|---|---|---|---|
| Facility protection product | Priced monthly against declared value | Convenience, short stays | May be a protection scheme rather than regulated insurance |
| Home contents extension | Small premium adjustment, sometimes free | Short storage during a move | Off-premises limits and time caps |
| Standalone storage policy | From around £15 a year for low values | Long storage, higher values | Minimum terms, often 3 to 6 months |
| Business storage policy | Higher, value dependent | Stock, equipment, records | Personal policies exclude business use entirely |
| No cover at all | Nothing | Nobody | Breaches the rental agreement and carries the full loss |
Worth understanding about the counter option: some facility products are genuine insurance and some are protection schemes offered under the storage contract rather than a regulated insurance policy. The practical difference is in how a dispute is resolved and whether the Financial Ombudsman route is available. Ask which it is before you sign.
Why home contents cover usually is not enough
Most home contents policies include some cover for belongings temporarily away from the property, but it is capped as a percentage of the total sum insured and time limited. A £50,000 contents policy with a 10 percent off-premises limit covers £5,000 of stored goods, which is well short of a three-bedroom household.
Run the arithmetic before relying on it. Value what is actually going into the unit, then compare that against the off-premises limit in your policy schedule. For a household in storage between a sale and a purchase, the gap is usually large.
The time limit is the second trap and it is more dangerous, because it can quietly expire mid-storage. A policy that covers goods in storage for 60 days while moving house does exactly that, and a chain that collapses and pushes your storage to four months leaves you uninsured from month three without anybody telling you.
- Ask for the off-premises limit in writing. It is a specific figure or percentage in the policy wording.
- Ask how many days are covered. Some policies cover storage only while a move is in progress, which is a narrower condition than it sounds.
- Ask whether the facility meets their security requirements. Insurers commonly specify CCTV, gated access or staffed sites.
- Confirm whether an extension is available and what it costs. Often it is a small adjustment and worth taking.
- Get any agreement in writing. A phone conversation is not evidence at claim stage.
Students are the exception worth flagging: a family home contents policy frequently covers a student’s belongings stored away from home, which is a genuine saving. Our guide to student self storage covers that alongside the summer pricing.
What every policy excludes
Gradual deterioration is the exclusion that matters most for long storage. Mould, damp and rust developing over time are not insured events in any standard policy, which means the risk of storing soft furnishings for a year sits entirely with you.
| Commonly excluded | Why | What to do instead |
|---|---|---|
| Cash, securities and documents | Uninsurable in an unattended unit | Keep with you or in a bank |
| Jewellery, fine art, collectibles | Single-item limits, or excluded unless declared | Declare and specify, or do not store them |
| Gradual damp, mould and rust | Not a sudden insured event | Climate-controlled unit, pallets, covers |
| Vermin and pest damage | Considered preventable and gradual | Nothing edible, sealed containers |
| Mechanical or electrical breakdown | Age and fault, not an accident | Accept the risk on older appliances |
| Perishables and plants | Prohibited by facilities anyway | Do not store them |
| Hazardous and prohibited items | Banned under the rental agreement | Dispose of separately before storing |
| Wear and tear | Never insured, anywhere | Expect some on long storage |
Several policies also apply conditions where a unit has not been accessed for an extended period, so read the wording if you expect to store and forget for a year.
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Setting a sum insured that actually works
You choose the value covered, and both directions cost you. Overvaluing raises the premium without increasing what you can recover. Undervaluing risks a proportionate settlement, where a claim is reduced by the same percentage you were underinsured by.
Value on a replacement basis rather than what you would get selling it. A sofa bought for £900 five years ago has a resale value of almost nothing and a replacement cost close to £1,000, and it is the replacement figure that matters if the policy is new for old.
Check which basis applies. New for old replaces without deducting for age, while indemnity cover deducts depreciation and pays what the item was worth at the point of loss. Dedicated storage policies often include new for old as standard, which is a real advantage over an indemnity-based home contents extension.
Build an inventory as you load rather than reconstructing one afterwards. Photograph each item and each loaded section of the unit, note serial numbers on anything electrical, and keep receipts for higher-value items in the same folder. This is fifteen minutes of work that transforms a claim from an argument into an administrative process.
Also check the excess. A policy with a low premium and a £250 excess is poor value for storing household items where the realistic claim is a single damaged piece of furniture.
What the facility is actually liable for
We looked at how liability is distributed between the storage operator and the customer, because the requirement to insure only makes sense once you understand what the contract does not cover.
| Event | Usually the facility’s responsibility? | Who pays in practice |
|---|---|---|
| Fire in the building | Building only, not your goods | Your policy |
| Break-in to your unit | Limited, often excluded or capped | Your policy |
| Water ingress from the roof | Depends on negligence, often disputed | Your policy, usually |
| Damp developing over months | No | Nobody, it is excluded everywhere |
| Damage you caused loading | No | You |
| Facility ceasing to trade | Not an insured event for goods | Cover continues, but you must rehouse quickly |
Two conclusions follow. First, the facility is renting you space rather than accepting custody of your possessions, and the contract is written to make that explicit. Assuming that a secure site with CCTV means the operator carries the risk is the misunderstanding at the root of most uninsured losses.
Second, the uninsurable risks are the ones you manage physically rather than financially. Damp is the clearest example: no policy will pay for it, so pallets under boxes, breathable covers rather than plastic sheeting, and a climate-controlled unit for anything soft or wooden are the actual protection. That matters more for a six-month storage than the premium does.
Policy features described are typical of the UK market in 2026 and vary between insurers. Read your own policy wording, and this is general information rather than insurance advice.
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When the cheapest policy is the wrong one
Do not buy on premium alone if you are storing for more than a few months, storing anything irreplaceable, or storing business stock on a personal policy. Personal storage cover excludes business use outright, and a claim on the wrong policy type is simply declined.
The business point catches sole traders and small businesses regularly. Storing stock, tools, records or equipment for a trade is commercial storage, and a personal policy taken out to satisfy the facility’s requirement will not respond. It costs more and it is the only thing that works.
The irreplaceable point is different and worth being blunt about. Items with high sentimental value cannot be adequately insured at any price, because no settlement replaces them. Photographs, family documents and heirlooms are better kept with you, given to a relative, or digitised, rather than stored and insured.
And if the storage is genuinely short, a fortnight between completions for instance, check whether you need a separate policy at all before buying one. That is exactly the scenario most home contents policies do cover, and paying twice is a common outcome of not asking. The wider question of whether storage is necessary is covered in our comparison of self-storage against moving straight in.
How EcoGreen Movers handles stored goods
Where we store goods between moves, cover and inventory are dealt with at the booking stage rather than at the door. EcoGreen Movers uses reusable crates that stack squarely and hold shape in a unit far better than cardboard, which slumps and absorbs moisture over a long storage period.
Our storage and packing services run alongside residential moves across the UK, including London, Manchester and Edinburgh. Three levels cover the move itself: Standard for the loading and unloading, Standard Plus with furniture dismantled and reassembled, and Premium with professional packing on top, which also produces the itemised record that makes any claim straightforward. Boxes are sold separately if you are packing yourself. For sizing a unit, see our guide to storage unit sizes, or get in touch for a quote.
Frequently asked questions
Is insurance compulsory for a storage unit?
Effectively yes. UK facilities require contents cover for the duration of the rental as a condition of the agreement. You are usually free to arrange it yourself rather than buying theirs, provided it meets their requirements and you can evidence it.
Does home contents insurance cover storage?
Often partially, and rarely enough. Off-premises cover is typically capped around 10 percent of the total contents sum insured and limited to perhaps 30 to 60 days, sometimes only while a move is in progress. Check both figures in the policy schedule.
What does storage insurance not cover?
Cash, documents, perishables and prohibited items outright, plus high-value items unless declared. Critically, gradual deterioration such as damp, mould and rust is excluded everywhere, as is wear and tear, vermin damage and mechanical breakdown.
How should I value my stored belongings?
On replacement cost rather than resale value, and honestly. Overvaluing raises the premium without raising what you can recover; undervaluing can result in a claim being reduced proportionately. Photograph everything as you load it and keep receipts for higher-value items.
Can I insure business stock on a personal policy?
No. Personal storage policies exclude business use, so stock, tools, records and trade equipment need a commercial policy. A claim made on the wrong policy type is declined, which makes the saving on the premium worthless.
In summary: read two numbers first
Find the off-premises limit and the day limit in your existing home contents policy. If both comfortably cover what you are storing and for how long, extend it and move on. If either falls short, take a dedicated storage policy, which for household goods is inexpensive and usually includes new for old.
Then manage the risks no policy covers. Damp, vermin and gradual deterioration are excluded universally, so pallets, breathable covers, a dry unit and nothing edible do more for a long storage than any premium will.
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