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Best Outdoor Storage Boxes In The UK | 2026

Best Choice

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

9.9

Our product rankings are generated using a smart algorithm that evaluates thousands of customer reviews, brand reputation, store reliability, popularity trends, and more. These rankings reflect our opinion and are meant to be a helpful starting point for your shopping. If you buy through our links, you’ll pay the lowest price we’ve found—we may earn a small commission at no extra cost to you. This supports our work and helps us continue offering valuable comparisons and free content.

✅ 300+ bought in past month

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

Editor Choice

Keter Marvel+ 270L Garden Storage Box – Grey & City Outdoor Storage Box – Dark Grey

Keter

9.8

Product 1: This handy all-purpose durable, outdoor brown garden storage box is weather resistant, perfect for use all year round.
Product 1: This box is ideal for storing garden tools, small pieces of furniture as well as garden cushions.
Product 1: Easy to put together with a click-based system, this garden box provides a dry and ventilated storage solution, with an easy to lift lid for easy access to the contents.
Product 1: W 116.7cm x D 44.7cm x H57cm

Ondis24 Keter Premier Box Cushion Box, Seat Chest, XL Garden Box, Outdoor Storage Box, Cushion Chest Garden, Bench, Rainproof (380 Litres)

Ondis24

9.7

Keter Premier Box Storage Chest 380L with Textured Finish
Offers a capacity of approx. 380 L, including gas lift for easy opening
Double use as a bench and as a storage box, lockable (lock not included)
Inner dimensions: approx. 113.8 x 53 x 63.9 (H) cm, sturdy double wall construction, weather and UV resistant
Dimensions: approx. 122.9 x 62.1 x 70.6 (H) cm, weight approx. 18.75 kg. Material: plastic (polypropylene)

TANGZON 300L/400L Garden Storage Box, Waterproof Outdoor Storage Deck Box with Lockable Lid, Patio Deck Boxes Storage Bin for Cushions Pillows Pool Supplies Tools Sports Equipment (Brown, 400L)

TANGZON

9.6

IMMENSE STORAGE CAPACITY: The outdoor storage deck box measures 128 x 64 x 64cm (L x W x H) overall, ensuring a large storage capacity of 105 gallons. The spacious inner space is ideal to accommodate your indoor or outdoor sundries like furniture cushions, garden tools, pool accessories, sports equipment, etc.
HIGH DURABILITY AND STURDINESS: Made of premium HDPE material, the deck box features excellent heat resistance and cold resistance for all weather use while keeping the interior dry. The additional metal supporting bar provides extra support, effectively preventing the top lid from warping.
HUMANIZED DESIGN: Designed with linked strap hinges, the garden storage box is easy to open and close while side recessed handles allowing you to lift and move the patio storage bin conveniently. Moreover, the lockable cover will well protect your belongings safe from theft. (Note: The lock is not included.)
WIDE APPLICATION: Featuring an exquisite, smooth faux wood texture, this classic and simple deck box perfectly blends into a variety of scenes, such as yards, decks, porches, garages and sheds. Additionally, the waterproof storage box can also double as a table or stool, satisfying your different usage needs.
QUICK ASSEMBLY & EASY SETUP: Coming with a detailed instruction manual with pictures, the storage deck box can be assembled within time. This outdoor deck box is worth mentioning that there are fixing holes at the bottom side, enabling you to secure the storage box on the ground by using 5-6mm screws (not included).

Best Value

Keter BRIGHTWOOD Outdoor Storage Box – 454 Litres

Keter

9.5

Capacity: 454 litres
UV treated
Waterproof
Maintenance-free
Lockable

Amazon Basics Organisation and Storage Outdoor Deck Box, 375 litre, Brown

Amazon Basics

9.4

✅ 50+ bought in past month

Deck box for storing outdoor items like cushions, gardening tools and more
Includes a brown outdoor deck box with a roomy 375-litre storage capacity
Sturdy double-wall resin construction with a wicker pattern and moulded lid hinges for reliable strength
Weather-resistant for lasting performance; water runs off and doesn't pool
Lockable lid for added security of stored items

Suncast Rowlinson Florida 83L Storage Box – Stone Grey

Suncast

9.3

Beautiful plastic outdoor box has a 22-gallon capacity for patio, deck, yard, porch, garage, and shed storage
Water-resistant poly resin construction resists fading and rust to keep your box looking new for years to come
For use indoors or outdoors to store pool toys, grill supplies, patio cushions, gardening tools, sports equipment, yard gloves, and more
Lid flips open on hinges for easy access to your items; Rainwater flows off of the box to keep your belongings dry and free from mildew and rust
Exterior Dimensions (L x W x H): 22 x 17 x 20.5 inches ; Interior Dimensions (L x W x H): 20.5 x 15.5 x 17 inches; The perfect size and fit for any living space

Suncast 73 Gallon Resin Wicker Patio Storage Box with Wheels and Seat, Mocha

Suncast

9.2

73 GALLON DECK STORAGE BOX: Resin outdoor box has a 73-gallon capacity and built-in wheels for versatile patio and deck storage
DURABLE CONSTRUCTION: Water-resistant poly resin construction resists fading and rust to keep your box looking new for years to come
VERSATILE USE: Can be used indoors or outdoors to store pool toys, grill supplies, patio cushions, and more
FUNCTIONAL DESIGN: Lid flips open on hinges for easy access to your items and the stay-dray lid prevents water from pooling in the box
IDEAL SIZE: Measures 17.5" x 22.5" x 20.5" for versatile storage without taking up too much space

COSTWAY 300L/380L Garden Storage Box, Waterproof Resin Deck Box Bench with Lockable Lid & Side Handles, Wood Texture Outdoor Patio Storage Container for Cushion Tool Toy (Black,300L)

COSTWAY

9.1

With 300 L massive capacity, this large patio deck box provides ample storage for cushions, blankets, pillows, gardening tools, packages, and pool supplies, keeping your outdoor essentials organized and protected.
Crafted from all-weather HDPE material, this storage container is waterproof, sun-protective, and easy to clean, The premium plastic structure enables it to withstand long-lasting outdoor use.
Featuring a reinforced honeycomb structure inside, the outdoor storage bin offers excellent strength. With robust gas strut support, the lid is safe and effort-saving to open and close, and the lock compatible design ensures secure closure (lock not included).
With a top load capacity of up to 150 kg, the patio storage box with lid closed doubles as an extra seat, making it a practical and versatile piece of outdoor furniture.
The outdoor plastic storage bin is designed with appealing wood-like texture for more elegance. Moreover, the functional side handles make it easy to move and ideal for patios, poolsides, and gardens.

180 Gallon Outdoor Storage Box, Waterproof Deck Box with Handles and Lockable Lid, Resin Patio Storage Box with Hydraulic Rods for Garden Tools, Cushions, Grey

Treillage Tale

9.0

Durable & Weather-Resistant Resin: Made from high-density resin, this outside storage box is UV-protected and waterproof, designed to withstand sun, rain, and snow without fading, rusting, or warping
180 Gallon Storage for Outdoor: Measuring 55.5"L x 28.4"W x 30.2"H, this deck box offers ample room to store furniture cushions, garden tools, pool supplies, and more - perfect for keep your outdoor space tidy and low-maintenance year-round
Secure & Thoughtful Design: Equipped with smooth hydraulic air rods, the lid opens easily and closes slowly to prevent slamming or pinched fingers. The lockable lid (lock not included) helps keep your garden tools and items safe at all times
Reinforced & Multi-Purpose Design: Built with a metal reinforcement rods and reinforced structure to resist deformation, this patio storage box supports up to 800 lbs and doubles as a bench or extra seating for your outdoor space
Quick Assembly & Easy to Move: This patio storage box assembles in minutes with no tools required, making setup a breeze. Lightweight and durable, it features built-in side handles for effortless moving around as your outdoor setup or seasons change

We scanned 12,000+ Outdoor Storage Boxes

We reviewed a wide range of models and offers across leading online retailers such as Amazon, B&Q, Homebase, IKEA, Argos eBay, and other trusted UK sellers, ensuring we covered the most popular brands and best-selling options currently available in the UK.

The products selected come from established brands known for delivering consistent quality, strong performance, and reliable customer satisfaction.

For the best Outdoor Storage Boxes in the UK, we analysed over 115,000+ verified online reviews, focusing on:

Storage capacity and practicality for everyday outdoor use
Ease of assembly and user-friendly lid opening/closing
Build quality, materials, and full weather resistance
Security features such as lockable lids and sturdy hinges
Design, size, and fit for patios, gardens, or balconies
Value for money based on capacity, durability, and features
Long-term reliability in changing outdoor conditions

We also considered review recency, authenticity, and the consistency of positive and negative feedback across platforms to ensure our rankings reflect current market conditions.

Our Final Verdict

Best Overall

Keter Westwood 570L Outdoor 75% recycled Garden Furniture Storage Box
Decorative wood panel-style finishing with 570L capacity keeping all items ventilated and dry

Best Value For Money

Keter Marvel+ 270L Garden Storage Box - Grey & City Outdoor Storage Box - Dark Grey
This box is ideal for storing garden tools, small pieces of furniture as well as garden cushions.

Best Bargain

Ondis24 Keter Premier Box Cushion Box, Seat Chest, XL Garden Box
Offers a capacity of approx. 380 L, including gas lift for easy opening

Advertising Disclosure

Best Outdoor Storage Boxes In The UK | 2026

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

Main highlights

Keter Marvel+ 270L Garden Storage Box – Grey & City Outdoor Storage Box – Dark Grey

Main highlights

Ondis24 Keter Premier Box Cushion Box, Seat Chest, XL Garden Box, Outdoor Storage Box, Cushion Chest Garden, Bench, Rainproof (380 Litres)

Main highlights

TANGZON 300L/400L Garden Storage Box, Waterproof Outdoor Storage Deck Box with Lockable Lid, Patio Deck Boxes Storage Bin for Cushions Pillows Pool Supplies Tools Sports Equipment (Brown, 400L)

Main highlights

Keter BRIGHTWOOD Outdoor Storage Box – 454 Litres

Main highlights

Amazon Basics Organisation and Storage Outdoor Deck Box, 375 litre, Brown

Main highlights

Suncast Rowlinson Florida 83L Storage Box – Stone Grey

Main highlights

Suncast 73 Gallon Resin Wicker Patio Storage Box with Wheels and Seat, Mocha

Main highlights

COSTWAY 300L/380L Garden Storage Box, Waterproof Resin Deck Box Bench with Lockable Lid & Side Handles, Wood Texture Outdoor Patio Storage Container for Cushion Tool Toy (Black,300L)

Main highlights

180 Gallon Outdoor Storage Box, Waterproof Deck Box with Handles and Lockable Lid, Resin Patio Storage Box with Hydraulic Rods for Garden Tools, Cushions, Grey

Main highlights

We scanned 12,000+ Outdoor Storage Boxes

Our Final Verdict

Best Overall

Best Value For Money

Best Bargain