10 Best Garden Storage Boxes Waterproof Large in the UK
Tested and Reviewed: Top 10 Garden Storage Boxes Waterproof Large deals with expert ratings from 8.1 to a perfect 10
August 2025 Edition
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1
Editor's Choice9.7
Save 13%
Olsen & Smith
Olsen & Smith 830L Extra Large XL Outdoor Garden Storage Box - Weather Resistant Heavy Duty Garden Box Wood Effect with Padlock - Massive Capacity Storage Chest for Tools Cushions Toys & More, Grey
13% Off
Editor's bottom line:
“This garden storage boxes waterproof large is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”
Main Highlights
- : With a spacious 830-litre capacity, this outdoor storage box can store your garden cushions, furniture, tools, toys and more! This helps keep your garden organised, neat and tidy. It also includes a removable divider so you can keep different types of items separate. External Dimensions: L160 x W78 x H76 cm, Internal Dimensions: L154 x W74 x H73.5 cm. Max storage weight: 45kg.
- : The garden tool storage box comes with a supplied combination padlock which helps in providing an added layer of security for your stored items. This feature ensures that your garden accessories are safe from theft and unauthorised access.
- : This large storage cabinet box is made from high-quality plastic to ensure durablity. It designed to be weather resistant, protecting your items from rain, snow, and harsh sunlight making it the ideal outdoor cushion storage solution.
- : This outside storage box features an elegant wood effect that enhances the look of your garden. It features two gas-assisted lifting hinges to make opening and closing easier. Additionally, it can be used as an outdoor storage bench for seating two people on the top (max weight 100kg per side).
- : This garden tool organiser is lightweight at 16.5 kg, making it easy to move around your garden or patio. It arrives flat-packed with simple instructions for quick and easy assembly.
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Picked by 150 people today
2
9.5
Olsen & Smith
Olsen & Smith 1170L Extra Large XL Outdoor Garden Storage Box with Padlock - Huge Capacity Plastic Shed Wheelie Bin Box Cabinet Cupboard - Ideal for 2x230L Wheelie Bins, Garden Tools, Toys & Much More
Main Highlights
- BUILT FOR OUTDOOR USE - The Olsen & Smith large plastic storage box is perfect for keeping your garden space neat and tidy. It is ideal for storing two 230L wheelie bins, tools, toys and games, fold-up chairs, small to medium items of furniture, accessories and much more!
- STRONG & WEATHER RESISTANT - Each storage box is constructed from high-quality polypropylene that is extremely weather resistant to protect your belongings. It features two gas-assisted lifting hinges to make opening and closing the lid easier.
- PLACE IN YOUR IDEAL LOCATION - The box is light enough to move around to wherever it is required. The two wide opening doors make it easy to access all of your items stored inside. The storage box is also lockable for added security and comes with a secure padlock to keep your items safe.
- ASSEMBLE WITH EASE - The product arrives flat-packed with easy-to-follow instructions and a clip-together design - so you can have your box ready quickly and easily.
- SPECIFICATIONS - Assembled external dimensions: 140 x 81.5 x 125 cm (L x W x H), Assembled internal dimensions: 140 x 81.5 x 121cm, Weight: 21.1kg, Capacity 1170L
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3
9.5
Save 3%
DKIEI
DKIEI 600L Metal Garden Storage Box, Large Outdoor Storage Box Waterproof, Lockable Outside Storage Box with Lid, Black Storage Container for Garden Tools, Toys, Cushion, Pillow, 165x 70x 62 cm
3% Off
Main Highlights
- Safetye Design This garden storage box comes with lockable lid and a key to ensure the safety of your stored items, each corner is equipped with protective corners to avoid scratching your skin.
- Large Capacity The outdoor storage box is 600L in capacity, can meet your various daily storage needs, large storage space can store garden tools and equipment, cushions, and other daily necessities, can be used both indoor and outdoor.
- Durable Material Large garden storage box adopts 0.4mm coated color steel board, waterproof and UV resistant, rust-resistant, sturdy and durable, can be used for long time.
- Brief SpecificationThe dimension of outside storage box is 165x 70x 62 cm. Assembly is very simple, we provide installation videos and gloves to help you complete the installation yourself.
- After-sale ServiceYou need to take some time to complete the assembly yourself. If you have any question, please contact us directly, we will reply you as soon as possible.
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4
9.2
URBNLIVING
URBNLIVING Large Black 750L Plastic Garden Storage Box Outdoor Utility Chest Waterproof Unit Deck Cabinet
Main Highlights
- Capacity: 750 Litres
- Material: Heavy Duty Plastic - Weatherproof
- Colour: Black
- 2 Lockable Hinged Lids
- Dimensions (cm): H80 x W155 x L66
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5
9.0
CASARIA
CASARIA® XXL 625 Litre Polyrattan Garden Storage Box Chest Extra Large With Wheels | Rollable Lockable | Automatic Gas Lift Lid Handles | Pillow Cushion Trunk Weather-Resistant | 150x77x73cm | Black
Main Highlights
- HUGE STORAGE SPACE - The CASARIA garden box made of easy-care and very robust polyrattan weave offers 625L of storage space, enough space for cushions, pillows and other accessories. With dimensions of 150x77x73cm, even large lounger cushions fit easily into the box.
- CLEVER HANDLING - The cushion box can be easily repositioned thanks to the two wheels and handles. The automatic lifting mechanism of the box enables easy opening and closing of the 2-part lid, which can also be easily connected as 1 lid using the screws provided.
- WEATHERPROOF - The lid of the storage box has a drip edge all the way around for controlled water drainage. The inner tarpaulin with Velcro system and all-round zipper protects your utensils perfectly from rain and moisture.
- WELL-THOUGHT-OUT MATERIAL - Polyrattan is a stable, evenly wound plastic fiber. The material is robust, weatherproof, dirt-repellent, easy to clean and UV-resistant, which means that the color and joy of your new cushion box will be preserved for a long time.
- MANY BENEFITS - The four feet of the cushion box are provided with protective caps that protect your floor from scratches. Thanks to the load capacity of 160 kg, you can also safely place heavy objects on the patio box, giving you additional storage space in your home.
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6
8.8
Keter
Keter Westwood 570L Outdoor 75% recycled Garden Furniture Storage Box Brown Wood Panel Effect ; Fade Free ; All Weather Resistant ; Safe and Secure ; Zero Maintenance ; 2 year Warranty
Free Shipping
Main Highlights
- Decorative wood panel-style finishing with 570L capacity keeping all items ventilated and dry
- Piston-assisted lid, comfortably seats two adults and has lockable option for added security (Lock not included)
- Keeps stored items dry and well ventilated and can also comfortably seat 2 adults
- Internal dimensions: 56.10 x 24.65 x 22.80 inches (L x W x H); external dimensions: 61.02 x 28.50 x 25.35 inches (L x W x H); internal dimensions: 142.4 x 62.6 x 57.9 cm (L x W x H); External dimensions: 155 x 72.4 x 64.4 cm (L x W x H)
- Easy opening with hydraulic piston
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7
8.6
Garden Store Direct
Starplast XXL Huge Plastic 634 ltr Garden Storage Box With Piston Opening Lid
Main Highlights
- Starplast XXL Huge Plastic 634 ltr Garden Storage Box With Piston Opening Lid
- Brand : Garden Store Direct
- Product type: STORAGE BOX
- Color: Black
- xxl
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8
8.3
Save 7%
easylife lifestyle solutions
Easylife Outdoor Garden Storage Box, Waterproof Box, Outside Storage Box, Outdoor Storage Box, Patio Storage Box, Storage Cabinet, Outdoor Cushion Storage, Deck Storage, 270 Litre, Fully Guarnteed
7% Off
Main Highlights
- WEATHER-PROOF AND DURABLE GARDEN STORAGE - with its strong metal frame and rust-proof plastic body, this hard-wearing outdoor storage box is perfect for keeping garden tools, children's toys or outdoor cushions dry and protected from the elements
- ORGANISES GARDEN ACCESSORIES - and keeps everything in one place without cluttering up your garage or shed, so you can be sure that all of your outdoor essentials are safely stowed away
- OPENS AND CLOSES SMOOTHLY - thanks to the hinged lid that lifts up easily so you can access your belongings without difficulty, and can be secured using a padlock for extra peace of mind (padlock not included)
- GENEROUSLY SIZED - with comfy carry handles so you can easily move it around. Actual Dimensions: external - height 55cm, width 109cm, depth 52cm / internal - height 53cm, width 105cm, depth 49cm. Capacity 270 litres. Simple self-assembly.
- PRODUCT FROM EASYLIFE - well-established with a reputation for making excellent quality, problem-solving products for the home and garden
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9
8.1
idooka
idooka Large Garden Storage Box with Lid 340L - Water Resistant Plastic Lockable - Furniture Cushions/Wellies/Logs/Coal/Garden Tool Grey Deck Box/Garage
Main Highlights
- Extra Large Garden Storage Box: With a 340 litre storage capacity, an idooka grey storage box is able to hold anything from bike accessories to tool boxes, garden tools, recycling, and shoes. Dimensions: H57cm x W118cm x D59cm.
- Weather Resistant Outdoor Storage Box: This plastic garden storage box is made from a water resistant and UV resistant material, so its contents will be protected from the elements whatever the weather.
- Securely Lockable Box: Made from durable fade-resistant resin, the lockable hinged lid (padlock not included) keeps your valuables safe.
- Smart Storage Solutions: The idooka outdoor storage containers are fitted with wheels to allow you to move them around with ease, while good ventilation prevents fabric items like cushions from degenerating.
- Easy Assembly Outside Storage: These deck boxes clip together easily for a quick and hassle-free setup.
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10
8.1
Save 11%
Keter
Keter Marvel+ 270L Outdoor 65% recycled Garden Furniture Storage Box Graphite Wood Panel Effect | Fade Free | All Weather Resistant | Safe and Secure | Zero Maintenance | 2 year Warranty
11% OffFree Shipping
Main Highlights
- Ideal outdoor garden storage box for garden tools and equipment, garden furniture cushions, garden games and accessories
- Decorative wood panel-style finishing with 71G capacity keeping all items ventilated and dry
- Built-in handles for convenient portability and can comfortably seats two adults
- Made of durable, weatherproof, maintenance and fade-free and 65% recycled resin
- Assembled external dimensions: 116.7 x 44.7 x 57 cm (L x W x H); Internal dimensions: 114.4 x 40 x 51.2 cm (L x W x H)
- Need Support? Please contact our dedicated customer services team on 0121 506 0008
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