10 Best Large Garden Storage Boxes Outdoor Waterproof in The UK

Last updated on 02/08/2025
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1
9.7
Exceptional
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
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
Why We Love It
  • Perfect for outdoor storage needs.
  • Weatherproof and highly durable.
  • Easy to assemble.
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
9.7
Exceptional
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2
9.7
Exceptional
Olsen & Smith 680L Large Garden Storage Box - Weather Resistant Heavy Duty Garden Box with Padlock & Wood Effect - Huge Capacity Outdoor Storage Chest for Tools, Cushions, Toys & More (Anthracite)
Olsen & Smith
Olsen & Smith 680L Large Garden Storage Box - Weather Resistant Heavy Duty Garden Box with Padlock & Wood Effect - Huge Capacity Outdoor Storage Chest for Tools, Cushions, Toys & More (Anthracite)
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Why We Love It
  • Ideal for outdoor storage.
  • Weatherproof and durable.
  • Easy assembly and relocation.
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 tools, toys and games, small to medium items of furniture, cushions, accessories and much more.
  • STRONG & WEATHERPROOF - Each storage box is constructed from high-quality polypropylene that is weatherproof to protect your belongings while being able to seat two people on top. It features two gas-assisted lifting hinges to make opening and closing easier.
  • PLACE IN YOUR IDEAL LOCATION - The vacuum-moulded handles make the box easy to move around wherever it is required. The rectangular shape makes it easy to store in any location. 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 will arrive flat-packed with easy-to-follow instructions, you can have your box ready by simply clipping the boxes together.
  • SPECIFICATIONS - Assembled external dimensions: 146 x 71 x 75 cm (L x W x H), Assembled internal dimensions: 140.3 x 66.6 x 72.6 cm (L x W x H), Capacity 680L
9.7
Exceptional
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3
9.5
Superb
Save 11%
Keter Store It Out Pro Outdoor Garden Furniture Storage Shed Beige with Brown Lid Fade Free All Weather Resistant Safe and Secure Zero Maintenance 5 year Warranty
Keter
Keter Store It Out Pro Outdoor Garden Furniture Storage Shed Beige with Brown Lid Fade Free All Weather Resistant Safe and Secure Zero Maintenance 5 year Warranty
11% Off
Why We Love It
  • Spacious outdoor storage solution.
  • Stylish and practical design.
  • Durable weather-resistant material.
Main Highlights
  • Ideal outdoor storage solution for garden tools, equipment and x2 240 L wheelie bins
  • Elegant wood effect panels with a piston-assisted lid and wide opening doors and a 1200 L capacity
  • Heavy-duty floor with main door bolt and secondary foot bolt for secure closure
  • Made of durable, weather-resistant and maintenance fade-free resin
  • Assembled external dimensions: 145.5 x 82 x 123 cm (L x W x H); internal dimensions: 132 x 76 x 110 cm (L x W x H)
  • The Store-It-Out Pro keeps contents dry and ventilated, come rain or shine
9.5
Superb
Save 11%
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4
9.4
Superb
idooka Extra Large Garden Storage Box 750L – Waterproof Outdoor Box for Cushions, Toys, and Tools – Plastic Cabinet with Lid for Patio, Garage & Shed
idooka
idooka Extra Large Garden Storage Box 750L – Waterproof Outdoor Box for Cushions, Toys, and Tools – Plastic Cabinet with Lid for Patio, Garage & Shed
Why We Love It
  • Extra-large storage capacity.
  • Convenient two-lid access.
  • Ideal for outdoor items.
Main Highlights
  • EXTRA LARGE GARDEN STORAGE BOXES: Keep garden accessories in one location with our extra large garden storage box. A huge 750L capacity gives you lots of room to store outdoor tools, furniture cushions, boots, and toys, and the container has 2 separate lids for easy access to whatever you need.
  • VENTILATED CUSHION STORAGE: The box's slatted panels are angled to keep contents dry while providing ventilation so they don't get musty, making this particularly good storage for fabric furnishings like outdoor cushions, blankets, and rugs.
  • WEATHER RESISTANT PLASTIC GARDEN STORAGE BOX: Constructed from durable plastic that's UV, water, and frost resistant, our outdoor storage containers can handle the unpredictable British weather all year round.
  • SECURE GARDEN STORAGE SHED CONTAINER: For extra peace of mind, this outdoor storage box has 2 hinged lids that can be locked with most types of padlocks to keep your possessions safe. Please note padlocks aren't included and 2 padlocks are needed - one per lid.
  • STYLISH INDOOR AND OUDOOR ORGANISATION: The roomy storage box is a convenient way to keep your garden, patio, greenhouse, conservatory, or garage organised, with an attractive grey faux wood finish that'll match any outdoor or indoor space.
9.4
Superb
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5
9.2
Superb
Keter Store It Out Nova Outdoor Garden Furniture Storage Shed Light Grey with Dark Grey Lid | Fade Free | All Weather Resistant | Safe and Secure | Zero Maintenance | 5 year Warranty
Keter
Keter Store It Out Nova Outdoor Garden Furniture Storage Shed Light Grey with Dark Grey Lid | Fade Free | All Weather Resistant | Safe and Secure | Zero Maintenance | 5 year Warranty
Free Shipping
Why We Love It
  • Spacious yet elegant storage.
  • Lockable for added security.
  • Supports shelving, heavy-duty floor.
Main Highlights
  • Ideal outdoor storage solution for garden tools and equipment, BBQ and accessories and x2 120L wheelie bins.
  • Elegant wood effect panels that opens from the top or the front and with a lockable feature for secure closure.
  • Heavy-duty floor with built-in support for shelving and 880 L capacity.
  • Keter Store it Out Nova Outdoor Garden Storage Shed, 132 x 71.5 x 113.5 cm, Light Grey with Dark Grey Lid.
  • Assembled dimensions: 132 x 71.5 x 113.5 cm (L x W x H) ; internal dimensions: 122 x 61 x 108.8 cm (L x W x H).
9.2
Superb
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6
9.0
Superb
Save 25%
Olsen & Smith 1000L Extra Large XL Metal Outdoor Garden Storage Box - Weather Resistant Heavy Duty Garden Box with Built In Lock - Massive Capacity Storage Chest for Tools Cushions Toys & More, Grey
Olsen & Smith
Olsen & Smith 1000L Extra Large XL Metal Outdoor Garden Storage Box - Weather Resistant Heavy Duty Garden Box with Built In Lock - Massive Capacity Storage Chest for Tools Cushions Toys & More, Grey
25% OffFree Shipping
Why We Love It
  • Weatherproof and durable construction.
  • Easy to assemble.
  • Lockable for security.
Main Highlights
  • BUILT FOR OUTDOOR USE - The Olsen & Smith large storage box is perfect for keeping your garden space neat and tidy. With a massive 1000L capacity, it is ideal for storing tools, toys and games, small to medium items of furniture, cushions, accessories and much more.
  • STRONG & SECURE: The box is features a durable and weather-resistant design, constructed with a galvanised steel frame. The gas-assisted lift hinges allow easy opening and closing, and the chest includes a built in lock with key for added security.
  • SIMPLE ASSEMBLY - The product will arrive flat-packed with easy-to-follow instructions - you can have your box ready by simply clipping the parts together, and gloves are included to help you setup safely. Please note, as this is a large storage box, we recommend assembly by 2 persons.
  • SPECIFICATIONS - Assembled dimensions: 185 x 82 x 79 cm (L x W x H), Capacity 1000L, Weight: 14.4kg. When ordering, please ensure a contact phone number is provided for our delivery partners to arrange delivery with you.
9.0
Superb
Save 25%
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7
8.8
Excellent
Save 18%
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
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
18% Off
Why We Love It
  • Large, waterproof, easy-care storage.
  • Multipurpose with convenient features.
  • Durable and simple maintenance.
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.
8.8
Excellent
Save 18%
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8
8.7
Excellent
Save 20%
DKIEI 600L Metal Garden Storage Box - Large Outdoor Waterproof Container With Lid, Lockable for Tools, Toys, Cushions - Black, 165x70x62 cm
DKIEI
DKIEI 600L Metal Garden Storage Box - Large Outdoor Waterproof Container With Lid, Lockable for Tools, Toys, Cushions - Black, 165x70x62 cm
20% Off
Why We Love It
  • Ensures safety with locking feature.
  • Generous 600L storage capacity.
  • Rugged, durable material build.
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 Specification】The 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 Service】You 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.
8.7
Excellent
Save 20%
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9
8.7
Excellent
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
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
Why We Love It
  • Stylish wood panel finish.
  • Spacious 570L storage.
  • Ventilation keeps contents dry.
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
8.7
Excellent
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10
8.7
Excellent
YITAHOME Garden Storage Box Waterproof, Heavy Duty 460L Large Resin Deck Boxes, Weather Resistant Durable Garden Storage Box, Outdoor Cushions, Lockable, Outdoor Storage Containers,Light Grey
YITAHOME
YITAHOME Garden Storage Box Waterproof, Heavy Duty 460L Large Resin Deck Boxes, Weather Resistant Durable Garden Storage Box, Outdoor Cushions, Lockable, Outdoor Storage Containers,Light Grey
Free Shipping
Why We Love It
  • Ample 120-gallon storage capacity.
  • Easy-lift hydraulic piston design.
  • Extra seating with durability.
Main Highlights
  • IDEAL OUTDOOR STORAGE- Our deck box has a storage capacity of 120 gallons / 460 litres and total dimensions of 141 x 68 x 60 cm (L x W x H), lockable lid
  • HYDRAULIC PISTONS- Easy lift and soft close mechanism pulls the top completely open and shut slowly with minimal effort - easy to use and no smashed fingers
  • HIGHLY DURABLE- Structured with all weather-resistant resin that prevents fading and rusting;Added Iron rods for deck box's extra support and strength
  • VERSATILE STORAGE- Perfect to store outdoor cushions, pool supplies, and gardening tools.Stylish design easily matches your other patio furniture
8.7
Excellent
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