Self storage costs and tips in the UK

Self storage is a common part of moving house — bridging a gap between moving out and moving in, downsizing, or simply needing space for things you're not ready to part with. Prices and terms vary more than people expect between facilities, though, so it's worth knowing roughly what to expect before you sign anything.

Storage is generally priced by floor area, commonly quoted per square foot per week. Across the UK, that typically works out to around £0.60-£2.50 per sq ft per week, or, looked at annually, roughly £15-£25 per sq ft per year, with a UK-wide average often cited around £27-£30 per sq ft per year. Location makes a substantial difference: London commands a clear premium at around £38.80 per sq ft on average, the South East follows at around £29.03, the East of England around £26.47, and Scotland around £23.87, while the West Midlands and Wales are commonly among the cheapest regions at around £20.34 per sq ft. In practical terms, a standard 50 sq ft unit — roughly the size of a transit van's load area, or a garden shed — commonly costs £20-£40 a week depending on location and facility. Smaller units for a few boxes cost proportionally less, while a unit sized for a full house's contents during a move will naturally sit at the higher end.

Contract terms are worth reading carefully before committing, since they vary a lot between facilities. Many self storage providers offer flexible, rolling agreements — commonly weekly or monthly — which suit a short-term move-related need well, since you're not locked into paying for space you no longer need. Others offer discounted rates in exchange for a longer fixed-term commitment, which can work out cheaper overall if you're confident you'll need the space for an extended period. It's worth checking the required notice period before moving out, whether there's a minimum stay, and how the price behaves after any initial promotional period ends, since an attractively low headline rate sometimes rises after the first few months.

Insurance is one of the areas people most commonly overlook until it matters. Self storage insurance isn't a legal requirement in the UK, but the great majority of facilities require proof of adequate cover as a condition of the rental agreement, precisely because stored items are otherwise held entirely at the customer's own risk. Standard storage insurance policies typically exclude a specific set of things — explosives and firearms, perishable or illegal items, cash and currency, and possessions belonging to a third party rather than the person named on the contract — so it's worth checking the policy detail rather than assuming everything you're storing is automatically covered, particularly for higher-value items which may need declaring separately or carry a lower sub-limit.

There's also a fairly consistent list of things storage facilities won't let you store at all, generally for one of three reasons: safety, legal compliance, or liability to neighbouring units. Hazardous and flammable materials — including fuel, petrol, paint thinner and similarly flammable liquids — are excluded on fire-safety grounds. Perishable goods and live animals are excluded because of the risk they pose to nearby units, from odour and pest attraction through to actual welfare concerns. Illegal items are, obviously, excluded on legal grounds, and certain battery types and strong chemicals are commonly restricted too, given the fire and leakage risks they carry in an enclosed space. If you're at all unsure whether something you're planning to store falls into a grey area, it's always worth checking directly with the facility beforehand — storing a prohibited item, even unintentionally, both breaches the contract and is very likely to invalidate any related insurance claim.

Practically, a few habits make self storage work considerably better: get a written quote covering the full weekly or monthly rate along with any admin or insurance charges, so there are no surprises on the invoice; measure or estimate your volume reasonably generously rather than booking the smallest unit that might just fit, since a cramped unit makes both loading and later access needlessly difficult; and keep a rough inventory of what's gone in, particularly for anything of meaningful value, so it's easy to check against if you ever do need to make an insurance claim.

Frequently asked questions