How Much Does Self Storage Cost in the UK?
Storage Prices Per Month, Compared

• A UK self storage unit costs roughly £63–£190 a month for 25–75 sq ft; London is about 55% more at £98–£293.
• Unit size and length of stay drive the price most. Longer terms cut the weekly rate by 25–40%, and introductory offers make the first month look cheaper than the ongoing cost.
• Of the big four London operators only Shurgard publishes unit prices online; Big Yellow, Safestore and Access quote by phone or form.
• Compare the total for your whole storage period, including insurance, deposit, padlock, admin fee and transport, not the weekly headline.
• The cheapest way to get storage is to pay for what you store, not a unit size: by the box from £3.56 a month (The Box Co.) or £7.68 (Stackt, insurance included), and a collected plan measured after packing from £71.76 a month against £98 for London's smallest average unit.

The table below converts the two published industry benchmarks into a monthly price for the three most common unit sizes. The UK column uses the SSA UK 2026 report's £27.40 per sq ft per year; the London column uses the same report's £42.39 per sq ft figure for the London region. Both are operator averages for 2025 with VAT added, so a real quote will land above or below depending on the store, the floor and how full the site is.

Stackt is cheaper than the London average unit for about 50 sq ft and 75 sq ft on any term; for about 25 sq ft Stackt is cheaper on a 6+ month term and a little more on a monthly term.

Below about 25 sq ft, per-square-foot pricing stops making sense: a locker still needs a padlock, insurance and two trips. If you have a few boxes, a suitcase or a bike, storage by the box is the cheaper route. Stackt stores a small box from 3.20 a week (£9.60 a month), or 1.92 a week (£7.68 a month) on a 6+ month term, with collection from your door. A 15 sq ft Wardrobe plan, enough for a wardrobe's worth of clothes and boxes, is £89.72 a month, or £71.76 on 6+ months.

Land is the biggest cost in a storage business, so prices track property values. The SSA UK reports London at £42.39 per sq ft per year against a UK average of £27.40, a premium of about 55%. Within London the pattern repeats: central stores charge the most and outer London sites tend to be cheaper for the same size.

For storage with collection the postcode matters less. Stackt charges the same weekly rate across London because the goods are held in one warehouse rather than in a high-street building; what changes with distance is the collection and delivery fee, which is quoted before you pay. If you are choosing between a unit near home and a cheaper one further out, remember to add the extra van trips to the cheaper unit's price.

Comparing self storage prices in London is harder than it should be because most operators do not publish them. As of 8 September 2026, only Shurgard lists unit prices per store online; Big Yellow, Safestore and Access ask for your details and quote by phone or email, and the quote depends on the store, the day and how full it is.

Operators think in pounds per square foot per year, which is why a 100 sq ft unit is rarely twice the price of a 50 sq ft one: the rate per square foot falls as the unit grows. That helps when you genuinely need the space and hurts when you rent a unit that is half empty. Measure first (the calculator does this from a room-by-room list), then price the size you need rather than the size that is on offer.

For a like-for-like reference, these are Stackt's current plan prices in London. The weekly rate is the rolling price; the monthly, 3-month and 6-month columns are the discounted weekly rate for that commitment (25%, 30% and 40% off), billed weekly, not upfront. Collection and delivery are quoted separately from your address and item list.

The advertised unit price is the start of the bill, not the end of it. When you compare storage quotes, ask about each of these:

• Insurance. Compulsory at most facilities and priced per £1,000 of cover per week, unless you prove your own policy covers goods in storage. Stackt includes basic cover up to £100 per item.
• Deposit. One to four weeks' rent, refundable when you leave. Stackt takes no deposit.
• Padlock and admin fee. A padlock is £10–£25 and some operators add a one-off admin or registration fee. Neither applies to storage with collection.
• Transport. A day's van hire in London is £60–£120 plus fuel and the congestion charge, and you need it twice. With collection storage this is replaced by a quoted collection and delivery fee.
• Packing materials. Boxes, tape and wrap add £30–£80 for a flat. Stackt sells boxes individually or packs for you as a paid extra.
• Introductory offers. "50% off for 8 weeks" is common; the price after the offer is the one you will pay for most of your stay.

Insurance is the extra people most often forget to price. Facilities require cover for the full replacement value of what you store, and their in-house policies are priced per £1,000 of cover per week, so a high declared value adds a noticeable amount to the weekly bill. Deposits are refundable but tie up cash for the whole stay. Our guide to self storage insurance explains what is and is not covered.

If the storage is part of a house move, our free moving cost calculator puts storage, removals, packing and cleaning into one budget, and the moving house checklist tells you when to book each of them.

Most people search for storage costs by home size rather than by square foot. These are typical space requirements for each home size and what they cost at London unit averages and with Stackt on a 6+ month term. The Stackt figures are the price of the plan or plan combination that holds a typical load; the quote itself is for the space your items take once packed, which for a dense load is often one size smaller:

Furniture is bulky rather than heavy, so it is priced by the floor space it takes up. A sofa, a double mattress and a couple of boxes fit a 24 sq ft Small Room plan (£86.16 a month on 6+ months); a full living room needs 36–48 sq ft. Because Stackt collects, wraps and stores furniture in a warehouse rather than a unit, there is no van to hire and no lift to negotiate. See furniture storage for per-item guidance.

The cheapest way to get storage is to pay for the volume you actually have rather than the smallest unit an operator happens to offer. A 25 sq ft unit is the entry point at most London stores and averages £98 a month, whether you fill it or put ten boxes in a corner of it. Two models get round that: storage by the box, where you pay per box, and collected storage plans that are measured after your items are packed. The table compares them with the unit route at the point where each one wins, using each operator's published price on 10 October 2026 and Stackt's live 6+ month price.

Read across and the pattern is clear. For a handful of boxes and nothing else, storage by the box is the cheapest storage there is, and The Box Co. publishes the lowest per-box price in London; Stackt costs more per box but includes insurance and a photo inventory, and you can add a bike or a suitcase to the same order. From about a wardrobe's worth of mixed items upward, a collected plan that is resized after packing beats renting a unit at London averages, with no van to hire;Henfield Storage's Southwark store is the one walk-in operator we found that advertises a 25 sq ft room below our Small Room price, before you add insurance, a padlock and two trips in a van. Once you have chosen the model, these are the levers that cut the bill further:

• Commit to the term you actually need. Six months at 40% off costs less than three months at 30% off followed by three rolling months at full price.
• Pay for the space you use. Declutter first, stack vertically, and pick a plan that is resized after collection rather than a fixed unit you cannot shrink.
• Price the whole trip. A cheaper unit 40 minutes away costs more once you add two van hires and a day of your time.
• Check the price after the offer. Ask what week 9 costs, not week 1.
• Skip the extras you do not need. Climate control and 24-hour access cost extra and most household goods need neither.
• Use your own insurance where allowed. Some home contents policies cover goods in storage; the operator's cover is often the pricier option.

Using the Self Storage Association UK's 2026 industry figure of £27.40 per square foot per year, a typical UK unit works out at about £63 a month for 25 sq ft, £126 for 50 sq ft and £190 for 75 sq ft including VAT. London is roughly 55% higher: about £98, £196 and £293 for the same sizes. Stackt storage with collection in London is £107.72 a month for a 24 sq ft Small Room plan on a monthly term, or £86.16 on a 6+ month term, with insurance included.

A small unit of about 25 sq ft averages £63 a month across the UK and £98 in London, VAT included, before insurance, padlock and transport. If you only have a few boxes, storage by the box is cheaper: Stackt stores a small box from 3.20 a week (1.92 a week on a 6+ month term), and a 15 sq ft Wardrobe plan costs £89.72 a month, or £71.76 on 6+ months.

Pay for the volume you actually have instead of renting a fixed unit. If everything fits in boxes, use storage by the box: the cheapest published London price is The Box Co. at £3.56 per box per month with transport included (checked 10 October 2026), and Stackt is £7.68 per box on a 6+ month term with insurance and a photo inventory included. If you have furniture as well, a collected plan that is measured after collection is cheaper than the smallest walk-in unit: Stackt's 15 sq ft Wardrobe plan is £71.76 a month on 6+ months against a London average of £98 for a 25 sq ft unit you would have to over-buy. Then take the longest term you are sure of, skip climate control and 24-hour access, and compare prices after the introductory offer ends.

For boxes only, The Box Co. had the lowest published London price when we checked on 10 October 2026: £3.56 per box per month including transport. For a walk-in unit, Henfield Storage advertised a 10 sq ft locker at £38.32 and a 25 sq ft room at £74.88 per 4-week month at the standard rate, before insurance and a padlock. Big Yellow, Safestore and Access publish no price list, so they cannot be ranked. Stackt is £7.68 per box or £71.76 for a 15 sq ft Wardrobe plan a month on 6+ months, insurance included, and bills you for the space your items use rather than a fixed unit, so for a mixed load it usually comes out cheapest once collection and the extras are added up.

The contents of a one-bedroom flat usually need 50–75 sq ft, which is £196–£293 a month at London unit averages, VAT included, before insurance, padlock and a van each way. With Stackt the same contents are a Half of a Garage (48 sq ft) or 1-Car Garage (96 sq ft) plan, £107.76–£153.36 a month on a 6+ month term, collected from your door with insurance included; you pay for the space the items actually take once they are stacked, which is often less than the unit size you would have rented.

A two-bedroom flat typically needs 75–100 sq ft: £293 a month or more at London averages for the unit alone. Stackt stores a two-bedroom flat in a 1-Car Garage plan (96 sq ft) for £153.36 a month on 6+ months, or £191.72 on a monthly term, with collection quoted before you pay and basic insurance included.

The contents of a three-bedroom house usually need 150–200 sq ft of storage space, which at London averages is roughly £587–£783 a month for the unit alone, plus a van each way. With Stackt the indicative price is two 1-Car Garage plans (192 sq ft) at about £388.32 a month on a 6+ month term, collection and insurance included in the quote; because we measure the space after packing, a dense load often comes in under that. Send your item list for an exact monthly figure.

A four-bedroom house usually needs 250–300 sq ft, roughly £978–£1174 a month at London unit averages, VAT included, before transport and insurance. With Stackt that is about three 1-Car Garage plans (288 sq ft), around £582.48 a month on 6+ months as an indication; we quote the exact space from your inventory and collect everything in one trip, so there is no van to hire and nothing to carry.

The SSA UK 2026 report puts London at £42.39 per square foot per year (ex VAT, 2025 trading data), which comes to about £98 a month for 25 sq ft, £196 for 50 sq ft and £293 for 75 sq ft once VAT is added. Shurgard, the only large operator that publishes London unit prices online, advertises £54–£150/mo a month for units of about 25 sq ft across 6 London stores.

Yes, and they are the single biggest lever on price. Stackt takes 25% off the weekly rate on a monthly term, 30% on 3 months and 40% on 6 months or longer, without asking you to pay upfront. Traditional operators usually run an introductory offer (50% off for the first 8 weeks is common) and then charge the standard rate, so compare the price after the offer ends.

Most self storage operators take a refundable deposit of one to four weeks’ rent and charge for a padlock and, in many cases, an admin fee and compulsory insurance. Stackt has no deposit and no padlock to buy; basic insurance up to £100 per item is included.

Get quotes for the same item list and the same length of time, then add what each operator charges on top: insurance, deposit, padlock, admin fee, and the van hire or collection fee to get there and back. Compare the total for the period, not the weekly headline, and check what happens to the price when the introductory offer ends.