Self storage in the UK costs £29.13 per square foot per year on average, according to the Self Storage Association UK Annual Industry Report. For most people that translates to somewhere between £20 and £450 a month, depending on the size of unit you need and where in the country you are.
That range is wide because "self storage" covers everything from a locker the size of a gym bag to a unit big enough to hold a five-bedroom house. This guide breaks the numbers down by unit size, by city, and by the things that quietly push your bill up or down — so you can budget accurately before you ever pick up the phone.
The short answer: UK self storage prices by unit size
The single biggest driver of cost is how much space you rent. UK facilities price by the square foot, and units step up in roughly 25 sq ft increments. Here is what each common size typically costs per month, what it holds, and who it suits:
| Unit size | Real-world equivalent | Typical price (per month) | Best for |
|---|---|---|---|
| 25 sq ft | Garden shed | £40–£100 | Students, seasonal items, ~30 boxes |
| 50 sq ft | Walk-in wardrobe | £95–£160 | Contents of a one-bedroom flat |
| 100 sq ft | Single garage | £190–£320 | A two- to three-bedroom house |
| 200 sq ft | Double garage / Luton van | £285–£450 | A four- to five-bedroom house or business stock |
These are national ranges. A 50 sq ft unit that costs £95/month in Sunderland can easily be £160/month in inner London — the same box, a very different bill. We'll come back to location below.
Rule of thumb: if you're choosing between two sizes, size up. The gap between adjacent sizes is usually £30–£60/month, far cheaper than renting a second unit later or having to leave belongings behind.
How self storage pricing actually works
Facilities advertise a "from" price to win the click, but your real cost is built from several layers. Knowing them is how you avoid surprises.
1. The base rent (per sq ft)
This is the headline figure — the UK average of £29.13/sq ft/year works out at about £2.43/sq ft per month. Multiply by your unit size and you get the raw rent. A 50 sq ft unit at the national average is roughly £120/month before anything else. Operators in high-demand postcodes charge well above this; quieter regional sites sit below it.
2. Move-in offers (and what happens when they end)
Almost every UK operator runs an introductory deal — 50% off for 8 weeks and "first month £1" are the two most common. They're genuine savings, but they're temporary. Always ask what the rate reverts to, because that revert rate is what you'll actually pay for most of your stay. A unit that's "£1 for the first month" might be £180/month from month two.
3. Insurance
Your home contents insurance rarely covers goods in a storage unit, so facilities require cover and either sell you their own policy or ask for proof of yours. Expect £5–£25/month depending on the declared value of your goods. You can almost always arrange cheaper standalone storage insurance from a third party — ask whether the facility allows it.
4. Deposits, padlocks and admin
Some operators take a refundable deposit (typically one month's rent). Most require a specific padlock you can buy on site for £8–£15, or bring your own. A handful still charge a small one-off admin fee — increasingly rare, but worth confirming.
5. Access type
24-hour access, drive-up units, and ground-floor units often carry a small premium over upper-floor, business-hours-only units. If you only need access once a month, choosing a restricted-access unit can shave money off the rent.
Why location changes everything
The UK self storage market is heavily shaped by property prices, because a facility's rent is its biggest cost — and that gets passed on to you. As a rough guide:
- London and the South East run 30–50% above the national average. Land is expensive and demand is relentless.
- Major regional cities (Manchester, Birmingham, Leeds, Bristol, Glasgow) sit close to the national average, with central sites pricier than out-of-town ones.
- Smaller towns and the North East, Wales, and parts of Scotland frequently come in below the national average.
A practical tactic: if you don't need daily access, look at a facility one ring out from the city centre. Storage on the edge of a city is routinely 15–25% cheaper than a site in the centre, for an extra ten minutes' drive you'll rarely make.
The UK is the most developed self storage market in Europe — 32.9% of all European self storage space is in the UK — which means in most towns you have real choice. Use that. Comparing three or four nearby facilities is the easiest money you'll ever save.
How to pay less for self storage
You don't have to accept the first "from" price you see. These levers genuinely move the number:
- Compare at least three local facilities. Prices for an identical-size unit can vary 30% within the same town. Our city pages line them up side by side.
- Ask about the revert rate, not just the offer. A smaller introductory discount on a lower base rate often beats a flashy "first month £1" on an expensive unit.
- Pay annually or for a longer term. Many operators discount 5–10% for paying upfront or committing to a longer minimum term.
- Right-size your unit. Over-renting is the most common and most expensive mistake. Use our Size Guide to match your belongings to the smallest unit that genuinely fits — then size up just one step if you're unsure.
- Bring your own insurance. If the facility allows it, third-party storage cover is usually cheaper than the in-house policy.
- Time your move. Demand (and price) peaks over summer with the moving and student seasons. If your dates are flexible, autumn and winter can be cheaper.
Is self storage worth the cost?
For short-term needs — a house move, a renovation, a gap between tenancies, a few months of student summer storage — self storage is almost always cheaper and less stressful than the alternatives (a bigger removals job, a skip, or paying to keep a larger home).
For long-term storage, do the maths. If you're paying £150/month to store furniture you'd replace for £800, after six months you're better off selling or donating it and rebuying later. Storage earns its keep when what you're storing is worth more than the rent — financially or sentimentally — and when you have a clear plan for getting it back.
Frequently asked questions
We've answered the most common UK pricing questions below. For prices in your specific area, search your postcode or city to compare real facilities.