Buying guide

Ad: Best Garden Storage Boxes UK: 6 Practical Options Compared

Compare six garden storage boxes for UK patios, from compact 190L models to large lockable and timber chests. Sizes, materials and honest trade-offs.

Ad / affiliate disclosure: What Is The Best? has an affiliate partnership with DeubaXXL UK. We earn a commission on qualifying purchases made through the sponsored retailer links on this page. This comparison is based on retailer-supplied specifications and our editorial assessment of use cases; we have not physically tested these products. Sponsored retailer links have been approved for display. Check current prices and delivery terms with the retailer.

A garden storage box can keep cushions, small tools and outdoor accessories in one place, but capacity is only part of the decision. The footprint, lid clearance, materials and whether a lock can be fitted may matter more than an impressive litre figure. This comparison looks at six distinct designs available in the DeubaXXL UK catalogue: compact plastic, mid-sized resin, multi-purpose seating, acacia timber, lockable metal and high-capacity polyrattan. These are use-case recommendations based on published product specifications, not laboratory results or a survey of every retailer in the UK.

Our shortlist at a glance

Comparative product shortlist — prices from last imported retailer feed, not live checkout quotes
ProductBest forNotable featureFeed priceRetailer (Ad)
Garden Storage Box Lille Grey 190LFor a small patio190 litres · plastic · 78 × 43.8 × 55 cm£35.99Last feed: 2 Nov 2026Ad · View at DeubaXXL
Garden Storage Box Anthracite 280L 116x43x55cmFor inexpensive extra capacity280 litres · plastic · 116 × 43 × 55 cm£40.99Last feed: 2 Nov 2026Ad · View at DeubaXXL
Keter Garden Storage Box Marvel Plus Anthracite 270LFor additional seating functionality270 litres · polypropylene · lid load claim up to 220 kg£54.99Last feed: 2 Nov 2026Ad · View at DeubaXXL
Garden Storage Box Acacia 350L with inner liner 119x50x61cm weatherproofFor a natural wood finish350 litres · acacia wood · inner liner and wheels£94.99Last feed: 2 Nov 2026Ad · View at DeubaXXL
Garden Storage Box Light grey Metal 4x2x2ft LockableFor lockable metal storage360 litres (seller claim) · galvanised steel · keyed lock£79.99Last feed: 2 Nov 2026Ad · View at DeubaXXL
Rattan Garden Storage Box Black 625L LockableFor very large cushion collectionsAbout 625 litres · polyrattan · dual gas-assisted lid£114.99Last feed: 2 Nov 2026Ad · View at DeubaXXL

Prices, availability and delivery terms can change. A seller-supplied in-stock indication is not a live stock guarantee. Product order reflects different use cases, not an independently tested performance score.

How we chose these options

We selected one example of each useful design rather than listing every colour as a separate contender. We compared the claimed capacity, external footprint, opening mechanism, materials, carrying features and intended use. Where a description makes a weather-resistance or lid-load claim, we treat it as a manufacturer statement that should be checked on the current product page. None of these boxes has been physically tested by our editorial team.

The products compared

For a small patio

The Lille is the most compact option in this shortlist. Its 190-litre advertised capacity and relatively narrow footprint make more sense for a balcony or a small paved area than an oversized cushion chest. The hinged lid, recessed side grips and provision for a padlock are useful everyday details, especially if you regularly move the box to clean behind it.

Product photograph: Garden Storage Box Lille Grey 190L
Garden Storage Box Lille Grey 190L

Feed price: £35.99

Retailer: DeubaXXL UK · SKU 108982 · Price observed 2 Nov 2026

Stock: listed as available in the latest retained feed. Check the retailer for current price and delivery terms.

Ad · View at DeubaXXL Sponsored link. Price and stock may change.

Worth checking: The seller explicitly says the Lille is not intended for sitting or standing on. It is a storage-only purchase, and the padlock is not included.

For inexpensive extra capacity

This anthracite model increases the advertised volume to 280 litres without moving into timber or metal pricing. It uses a clip-together assembly system, has a hinged lid and side grips, and provides a latch that can accept a separately purchased padlock. Its long, shallow shape may suit furniture cushions better than a square box.

Product photograph: Garden Storage Box Anthracite 280L 116x43x55cm
Garden Storage Box Anthracite 280L 116x43x55cm

Feed price: £40.99

Retailer: DeubaXXL UK · SKU 191390 · Price observed 2 Nov 2026

Stock: listed as available in the latest retained feed. Check the retailer for current price and delivery terms.

Ad · View at DeubaXXL Sponsored link. Price and stock may change.

Worth checking: The seller also warns against using this model as a seat. Measure long cushions against the internal space, not just the headline volume.

For additional seating functionality

The Keter Marvel Plus listing stands out because the merchant describes the lid as suitable for two-person seating and gives an upper load claim of 220 kg. It also mentions concealed castors, carrying handles and tool-free clip assembly. That makes it worth comparing with storage-only models when your outdoor area has limited seating.

Product photograph: Keter Garden Storage Box Marvel Plus Anthracite 270L
Keter Garden Storage Box Marvel Plus Anthracite 270L

Feed price: £54.99

Retailer: DeubaXXL UK · SKU 106976 · Price observed 2 Nov 2026

Stock: listed as available in the latest retained feed. Check the retailer for current price and delivery terms.

Ad · View at DeubaXXL Sponsored link. Price and stock may change.

Worth checking: Load rating and intended seating use are manufacturer claims, not independently tested by us. The feed's brand field differs from the name on the listing, so confirm the exact model before buying.

For a natural wood finish

If a plastic box would look out of place beside wooden outdoor furniture, the acacia design offers a different feel. DeubaXXL lists an inner tarpaulin, drip edge, ventilation gaps, wheels and a carrying handle. Those details make the 350-litre chest an option for people who need a larger cushion store and value the appearance of natural timber.

Product photograph: Garden Storage Box Acacia 350L with inner liner 119x50x61cm weatherproof
Garden Storage Box Acacia 350L with inner liner 119x50x61cm weatherproof

Feed price: £94.99

Retailer: DeubaXXL UK · SKU 102276 · Price observed 2 Nov 2026

Stock: listed as available in the latest retained feed. Check the retailer for current price and delivery terms.

Ad · View at DeubaXXL Sponsored link. Price and stock may change.

Worth checking: Acacia needs ongoing care. A liner and drip edge do not guarantee that cushions will remain dry through prolonged British winter weather; dry and inspect them regularly.

For lockable metal storage

The Gardebruk model uses powder-coated galvanised sheet steel rather than resin or timber. The merchant describes two gas struts for the lid, elevated feet for ventilation and a keyed lock supplied with two keys. It is worth considering when secure closure and a metal construction matter more than matching rattan furniture.

Product photograph: Garden Storage Box Light grey Metal 4x2x2ft Lockable
Garden Storage Box Light grey Metal 4x2x2ft Lockable

Feed price: £79.99

Retailer: DeubaXXL UK · SKU 108581 · Price observed 2 Nov 2026

Stock: listed as available in the latest retained feed. Check the retailer for current price and delivery terms.

Ad · View at DeubaXXL Sponsored link. Price and stock may change.

Worth checking: Check the assembly footprint and the suitability of the steel finish for your location, particularly in exposed coastal conditions. A lock is not a guarantee against theft.

For very large cushion collections

At a quoted capacity of approximately 625 litres, this black polyrattan chest is in a different size class. Its two-part lid uses gas pressure springs, and the description mentions a waterproof internal liner, wheels and provisions for padlocks. It may make sense for a larger seating area with several full-size cushions.

Product photograph: Rattan Garden Storage Box Black 625L Lockable
Rattan Garden Storage Box Black 625L Lockable

Feed price: £114.99

Retailer: DeubaXXL UK · SKU 108343 · Price observed 2 Nov 2026

Stock: listed as available in the latest retained feed. Check the retailer for current price and delivery terms.

Ad · View at DeubaXXL Sponsored link. Price and stock may change.

Worth checking: The footprint and access space will be substantial. Confirm exact dimensions and whether large cushions fit through the opening, rather than relying only on the volume number.

What to consider before buying

Capacity is not the same as usable space

A 350-litre figure describes nominal volume, not whether your longest cushion will lie flat. Measure the longest, widest and thickest item you want to store, then allow clearance for the lid mechanism and internal liners. For long outdoor sofa cushions, internal length may be the deciding measurement.

Storage-only versus seat-rated lids

Some listings specifically prohibit sitting on the box. Others advertise a lid load limit. Treat these as fundamentally different product types; never assume a lid is a bench merely because it looks sturdy. Verify load limits and care instructions for the exact SKU.

Will the contents stay dry?

Terms such as weather-resistant, waterproof liner and UV-resistant can describe different aspects of a product. Ventilation matters too, because trapped moisture can damage fabrics even without direct rain entering the box. In a damp climate, store cushions clean and thoroughly dry and check them periodically.

Security, care and installation

A padlock-ready latch offers different protection from an integrated keyed lock. Timber may need oiling, while metal benefits from occasional inspection and appropriate corrosion care. Resin and polyrattan generally need less upkeep, but hinges, lids and liners still need attention.

Common questions

Is 190 litres enough for garden cushions?

It can be enough for a few smaller seat pads, but the dimensions of the pads matter more than the litre figure. Measure and compare internal dimensions where the retailer supplies them.

Can a garden storage box be left outside all winter?

Many models are marketed for outdoor use, but that is not the same as a guarantee that fabric cushions will remain dry. Follow the product instructions and inspect stored items for condensation.

Are the prices shown live?

No. The displayed prices come from our latest imported retailer feed and are accompanied by an observation date; they may change before you visit a retailer.

Our verdict

For small spaces, begin with Lille 190L; for more capacity at a simple plastic-box price, compare the 280L anthracite model. The Keter listing is the one to investigate if seating is a requirement, while the acacia, metal and 625L polyrattan designs solve different problems. The right box is the one that physically fits your belongings and available space.

Source and freshness: Product names, images, advertised prices and stock indications are taken from the approved DeubaXXL UK product feed distributed through Awin. Prices are displayed from the most recent feed imported on this website and may differ from the shop. No third-party customer scores or hands-on testing results have been invented.