10 Best Extra Large Waterproof Garden Storage Box in The UK
Last updated on 14/09/2025
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1
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
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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
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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: 36.5kg. When ordering, please ensure a contact phone number is provided for our delivery partners to arrange delivery with you.
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Value for Money
2
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
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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)
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
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3
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
13% Off
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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
13% 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. Shelves not included
- 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
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4
Keter Store it Out Nova Outdoor Garden Storage Shed, 32 x 71.5 x 113.5 cm, Light Grey with Dark Grey Lid
Keter
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Keter
Keter Store it Out Nova Outdoor Garden Storage Shed, 32 x 71.5 x 113.5 cm, Light Grey with Dark Grey Lid
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. Shelves not included
- 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).
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5
idooka Extra Large Garden Storage Box 750L – Waterproof Outdoor Box for Cushions, Toys, and Tools – Plastic Cabinet with Lid for Patio, Garage & Shed
idooka
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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.
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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
19% Off
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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
19% 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.
- MULTI FUNCTIONAL: The pillow chest is easy to move thanks to wheels and handles. The box's automatic lifting mechanism makes it easy to open and close the two-part lid, which can be connected with the included screws.
- EXTRAS: The all-round drip edge of the lid ensures controlled rainwater drainage. The lids can be locked individually using a separately available padlock and the interior lining has a zipper system.
- THOUGHTFUL MATERIAL: Polyrattan is a stable, evenly wound plastic fibre. The material is robust, weatherproof, dirt-repellent, easy to clean and UV-resistant, which means that the colour and joy of your new storage box will last for a long time.
- MANY ADVANTAGES: Your garden chest has reinforced web plates in the lids of the box ensure the necessary stability.
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7
Duramax DH 1.7 Metal Cushion Box (770 L) with Hydraulic Gas Cylinder & Padlock Eye, Outdoor Deck Box and Garden Furniture Organizer, Anthracite & Off-White Trimmings
Duramax
26% Off
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Duramax
Duramax DH 1.7 Metal Cushion Box (770 L) with Hydraulic Gas Cylinder & Padlock Eye, Outdoor Deck Box and Garden Furniture Organizer, Anthracite & Off-White Trimmings
26% Off
Why We Love It
- Resilient to all weather conditions.
- Integrated floor for added safety.
- Significant storage capacity.
Main Highlights
- All-weather resistant metal storage box – the duramax palladium deck boxes are made of high-quality hot dipped galvanized steel which are resistant to harsh weather conditions and are durable, 20 thicker steel than conventional sheds
- Includes built-in corrugated floor for added protection
- Equipped with strong handles on both sides for easy carrry and hydraulic gas cylinders that improves open/close of the lid for easier access to items
- Strong lockable latch with padlock eye to ensure safety for all your stored items
- Provide year round protection to your furniture cushions, outdoor accessories and more stored safely, external dimensions (lxwxh): 173.8 x 73 x 72.7 cm, capacity: 770l/ 204 gallons
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8
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
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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
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9
VonHaus Garden Storage Box 270L – Outdoor Utility Chest Organiser – Weatherproof Plastic, Lockable Lid, Sliding Bar Hinge, Carry Handles, Portable – For Garden, Patio, Balcony, Decking – Grey, Black
VonHaus
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VonHaus
VonHaus Garden Storage Box 270L – Outdoor Utility Chest Organiser – Weatherproof Plastic, Lockable Lid, Sliding Bar Hinge, Carry Handles, Portable – For Garden, Patio, Balcony, Decking – Grey, Black
Why We Love It
- Weatherproof and durable.
- Easily portable with handles.
- Secure lockable lid.
Main Highlights
- WHATEVER THE WEATHER: Come rain or shine, your VonHaus garden storage box has got you covered thanks to its slick weatherproof polypropylene design, giving your garden goods a durable home.
- CONVENIENT CARRY HANDLES: Levelling up your outside storage, use the two handles to easily transfer the portable utility chest wherever needed; effortlessly hide it out of site or place more central for easy access.
- EASY LOADING & UNLOADING: Featuring aluminium sliding bar hinges for smooth shutting and secure opening, your outdoor storage container is a pleasure to use; utilise its large 270L capacity and fill it up to the brim!
- SAFE STORAGE: Use the lockable lid to securely stow away your possessions, whether you are protecting valuable belongings from the weather or hiding away the kids’ toys until playtime.
- OUR BRAND PROMISE: Established in 2003, VonHaus is the helping hand you need to craft your dream garden, from the patio floor to the hedge tops. Use our 270L Garden Storage Box with confidence.
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10
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
15% OffFree Shipping
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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
15% OffFree 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- Good to store outdoor cushions, pool supplies, and gardening tools.Stylish design easily matches your other patio furniture
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