Best Lockable Outdoor Storage Containers of 2026

Name: Olsen & Smith Lockable Outdoor Garden Plastic Storage Box Container Chest
Brand: Olsen & Smith

Toby Butcher

Last Updated: 5 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Lockable outdoor storage containers are an essential addition to any garden or outdoor space. These containers come in a variety of sizes and styles to suit different needs, from small containers for storing gardening tools to large ones for storing bikes or furniture. They are made from durable materials that can withstand harsh weather conditions and are equipped with secure locks to keep your belongings safe. These storage containers are perfect for those who need extra storage space but do not want to clutter their home or garage. With a lockable outdoor storage container, you can keep your outdoor space organised and tidy while ensuring that your belongings are secure.

At a Glance: Our Top Picks

#TOP 1

Olsen & Smith Lockable Outdoor Garden Plastic Storage Box Container Chest

9.8

Buy on Amazon Read Review

Olsen & Smith Lockable Outdoor Garden Plastic Storage Box Container Chest

#TOP1

9.8

Read Review

#TOP 2

Keter Signature 570L Outdoor Storage Box - Ashwood Brown | Lockable Weatherproof Garden Deck Box & Bench

9.7

Buy on Amazon Read Review

Keter Signature 570L Outdoor Storage Box - Ashwood Brown | Lockable Weatherproof Garden Deck Box & Bench

#TOP2

9.7

Read Review

#TOP 3

URBN GARDEN 350L Heavy Duty Plastic Garden Storage Box, Huge Capacity Patio Deck Outdoor Container with Lockable Lid

9.5

Buy on Amazon Read Review

URBN GARDEN 350L Heavy Duty Plastic Garden Storage Box, Huge Capacity Patio Deck Outdoor Container with Lockable Lid

#TOP3

9.5

Read Review

Top 10 Lockable Outdoor Storage Containers

#TOP 1

Olsen & Smith Lockable Outdoor Garden Plastic Storage Box Container Chest

Olsen & Smith

STORAGE-BOX

Black

126L

Olsen & Smith Lockable Outdoor Garden Plastic Storage Box Container Chest - Small Lawn Balcony Furniture, Weather Resistant, Wood Panel Effect (126L)

9.8

FTB Score

Buy on Amazon

Find on eBay

Features

STRONG & WEATHERPROOF - Each Storage Box Is Constructed From High-Quality Polypropylene That Is Weatherproof To Protect The Contents From The Elements.

BUILT FOR OUTDOOR USE - This Olsen & Smith Plastic Storage Box Is Perfect For Keeping Your Garden Space Neat And Tidy. It Is Ideal For Storing Tools, Toys, Games, Blankets And More; Without Taking Up Too Much Of Your Outdoor Space.

SPECIFICATIONS - Assembled External Dimensions: 55 X 43 X 53 Cm (L X W X H), Assembled Internal Dimensions: 52.5 X 41 X 50cm (L X W X H), Capacity 126L

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 (padlock Not Included).

ASSEMBLE WITH EASE - The Product Will Arrive Flat-Packed With Easy-To-Follow Instructions, You Can Have Your Box Ready In Minutes By Simply Clipping The Panels Together.

Read more Read less

#TOP 2

Keter Signature 570L Outdoor Storage Box - Ashwood Brown | Lockable Weatherproof Garden Deck Box & Bench

Keter

259804

Ashwood

9.7

FTB Score

Buy on Amazon

Find on eBay

Features

Dual-Purpose Seating: Sturdy Lid Supports Up To 300 Kg, Providing Comfortable Bench Seating For Two Adults.

Spacious 570L Capacity: Perfect For Storing Garden Cushions, Tools, Games, BBQ Accessories, And More.

Smooth & Secure: Dual Hydraulic Pistons For Easy Lid Opening And Lockable Design For Added Security (lock Not Included).

Premium Wood-Effect Finish: Realistic Grain Pattern From Keter's Signature Collection For A Stylish, Natural Look.

Measurements & Capacity: External: W151.7 X D72.5 X H70 Cm Capacity: 570L

Durable & Weatherproof: Made From UV-Protected, Maintenance-Free Resin That Won't Rust, Rot, Or Peel.

Read more Read less

#TOP 3

URBN GARDEN 350L Heavy Duty Plastic Garden Storage Box, Huge Capacity Patio Deck Outdoor Container with Lockable Lid

URBN GARDEN

Brown

Large

URBN GARDEN 350L Heavy Duty Plastic Garden Storage Box, Huge Capacity Patio Deck Outdoor Container with Lockable Lid, Handles & Wheels, Weather Resistant Shed for Tools, Cushions, Accessories, Brown

9.5

FTB Score

Buy on Amazon

Find on eBay

Features

𝘿𝙪𝙧𝙖𝙗𝙡𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝘾𝙤𝙣𝙨𝙩𝙧𝙪𝙘𝙩𝙞𝙤𝙣: Made From Strong And Long-Lasting Plastic Material, This Storage Chest Is Built To Withstand Daily Outdoor Use, Resisting Rust, Peeling, And Dents For Long-Term Durability.

𝙂𝙚𝙣𝙚𝙧𝙤𝙪𝙨 𝘿𝙞𝙢𝙚𝙣𝙨𝙞𝙤𝙣𝙨 𝙛𝙤𝙧 𝙑𝙚𝙧𝙨𝙖𝙩𝙞𝙡𝙚 𝙎𝙩𝙤𝙧𝙖𝙜𝙚: Measuring H59cm X W118cm X D57cm, This Spacious Storage Box Offers Ample Room For Storing Garden Cushions, Tools, Pool Accessories, And Outdoor Essentials Without Taking Up Too Much Patio Space.

𝙒𝙚𝙖𝙩𝙝𝙚𝙧 𝙍𝙚𝙨𝙞𝙨𝙩𝙖𝙣𝙩 𝘿𝙚𝙨𝙞𝙜𝙣: Built To Handle All Seasons, This Storage Box Is Weather-Resistant To Protect Contents From Rain, Wind, And Sun, Making It Ideal For Year-Round Outdoor Use.

𝙎𝙚𝙘𝙪𝙧𝙚 𝙇𝙤𝙘𝙠𝙖𝙗𝙡𝙚 𝙇𝙞𝙙: Designed With A Lockable Lid For Added Security—just Add Your Own Padlock (not Included) To Keep Your Items Protected From Pets, Children, Or Unwanted Access.

𝙇𝙖𝙧𝙜𝙚 𝟯𝟱𝟬𝙇 𝘾𝙖𝙥𝙖𝙘𝙞𝙩𝙮: With A Generous 350-Litre Capacity, This Garden Box Provides Ample Storage For Bulky Items, Helping You Keep Your Garden, Patio, Or Balcony Neat And Clutter-Free All Year Round.

Read more Read less

#TOP 4

Duramax Cedargrain 270 Litre Plastic Storage Box

Duramax

0638801866008

Dark Grey

270L

Duramax Cedargrain Durabox 270 Litre/ 71 Gallons plastic storage box, Outdoor Deck Garden Furniture Organizer, Lockable Lid, Plastic Cushion Box with Wheels and Handles, Patio Box, Dark Grey

9.3

FTB Score

Buy on Amazon

Find on eBay

The Duramax Storage Box is an excellent choice for keeping your outdoor space tidy. It offers ample storage for garden tools, cushions, and toys, ensuring everything is well-organised and protected. With wheels and a side grip, moving it around is a breeze, making your life easier. The lockable lid provides added security for your belongings, while its large capacity can hold a significant amount of patio and pool accessories. Made from durable materials, this box is designed to withstand the elements.

What We Like

Spacious 270-litre storage

Lockable lid for security

Easy to move with wheels

Durable UV resistant material

Simple assembly without tools

#TOP 5

Duramax Cedargrain Durabox 270 Litre/ 71 Gallons plastic storage box, Outdoor Deck Garden Furniture Organizer, Lockable Lid

Duramax

06291048102168

Dark Brown

270L

Duramax Cedargrain Durabox 270 Litre/ 71 Gallons plastic storage box, Outdoor Deck Garden Furniture Organizer, Lockable Lid, Plastic Cushion Box with Wheels and Handles, Patio Box, Dark Brown

9.3

FTB Score

Buy on Amazon

Find on eBay

Features

Equipped With Wheels (on One Side) And Side Handling Grip For Easy Movement; It Can Hold Up To 200 Kg On Its Lid

Your Best Choice In A Deck Box For Storing And Protecting Garden Tools, Cushions, Pillow, Gear, Toys, Pool Supplies

Plenty Of Storage, All In One Impeccably Styled Patio Deck Box, Simple Assembly Without Any Tools Required

Long-Lasting Backyard Storage Box - With 71 Cubic Feet And Made Of Durable UV Resistant PP Plastic Resin, It Will Solve All Your Storage Needs

Lockable Lid With Padlock, Large Storage Capacity Perfect For Storing Large Patio, Pool And Yard Accessories

Read more Read less

#TOP 6

Bonnlo Garden Storage Box 126L

Bonnlo

Gardenbox-126L

Black

126L

Bonnlo Garden Storage Box 126L, Waterproof Parcel Box Outdoor with Lid, Plastic Storage for Deliveries, Patio Cushions, Garden Tools, Black

9.1

FTB Score

Buy on Amazon

Find on eBay

Features

126L Capacity: Crafted From Heavy-Duty Waterproof Polypropylene, Storage Box Shields Your Garden Tools, Cushions Or Pool Accessories From Rain And UV Damage. Perfect For Patios, Balconies, Or Garages, Keep Your Space Neat And Tidy.

All-Weather Outdoor Waterproof Box: Engineered With Fade-Resistant PP And Seamless Joints, This Outside Storage Box Withstands Winters Rain And Summer Sun, Keeping Contents Dry.

Versatile Storage Solution: Imagine Decluttering Your Shed, Storing Muddy Boots By The Porch, Or Hiding Kids' Toys On The Balcony. Or Just Place It On Your Doorstep As A Delivery Box To Receive Parcels When You're Not At Home.

Tool-Free Assembly In Minutes: No Screws Or Tools Needed! Simply Snap The Panels Into Place—effortless Setup Within 5 Minutes. Integrated Side Handles Make The Box Easy To Move Your Deck Box As Needed With Ease.

Secure & Padlock-Ready Lid: Keep The Item Safe With The Lockable Storage Box's Reinforced Lid, Designed To Fit Standard Padlocks. Ideal For Shared Gardens Or Public Spaces Where Security Matters. (Lock Not Included)

Read more Read less

#TOP 7 Best Plastic Outdoor Storage Container

Outdoor Plastic Storage Box with Seating

BARGAINS-GALORE

Biege

Outdoor Plastic Storage Box with Seating Cover

Outdoor Garden Furniture Storage Box - Plastic Seat Utility Chest Cushion Shed Box For Garden Tools, Toys, Equipment | Safe and Secure - All Weather Resistant | Indoor - Green Lid, Handles and Wheels

9.1

FTB Score

Buy on Amazon

Find on eBay

The BARGAINS-GALORE Storage Box is designed for ease and convenience in your garden. Its hinged lift-up lid allows for quick access to your items, while the lockable feature keeps them safe and secure. Moving the box is effortless, thanks to the handles and wheels that provide portability. You can comfortably seat two adults on this sturdy storage solution, making it multi-functional. Whether storing cushions, tools, or toys, this box is an excellent addition to your outdoor space.

What We Like

Lockable for safety

Easy to move

Comfortably seats two adults

Large storage capacity

Weather-resistant and easy to clean

#TOP 8

Keter Darwin 454L Outdoor Storage Box - Grey | Lockable Weatherproof Garden Deck Box & Bench

Keter

259852

Grey

454L

8.9

FTB Score

Buy on Amazon

Find on eBay

Features

Dual-Purpose Seating: Sturdy Lid Supports Up To 2 Adults, Providing Extra Seating When Entertaining.

Spacious 454L Capacity: Ideal For Storing Garden Cushions, Tools, Games, Sports Equipment, And More.

Smooth & Secure: Hydraulic Pistons For Easy Lid Opening And Lockable Design For Added Security (lock Not Included).

Premium Evotech Finish: Realistic Wood-Like Texture With The Durability Of Composite – Won't Peel, Rust, Or Rot.

Measurements & Capacity: External: L142.5 X W65.3 X H64.3 Cm Internal: L132.2 X W55.7 X H48.9 Cm Capacity: 454L

Durable & Weatherproof: UV-Protected, Fade-Free, And Maintenance-Free With Double-Wall Construction For Strength.

Read more Read less

#TOP 9

Keter Kentwood Outdoor Storage Box 350L | Wood-Look Resin | Strong Enough for 2 Adults to Sit | Waterproof Lockable Lid

Keter

254623

Graphite

350L

8.8

FTB Score

Buy on Amazon

Find on eBay

Features

Dual-Purpose Design: Strong Enough To Serve As A Comfortable Seat For Two Adults, Adding Extra Functionality To Your Space

Stylish Wood-Look Finish: Complements Any Outdoor Décor While Offering The Durability Of Weather-Resistant Resin

Weather & UV Resistant: Durable Resin Construction Protects Against Sun, Rain, And Snow For Year-Round Use

Waterproof & Lockable For Security: Keep Contents Dry And Safe With A Weather-Sealed, Lockable Lid And Built-In Wind Lock To Prevent Accidental Opening

Maintenance-Free Convenience: Will Not Rust, Rot, Or Peel – Simply Wipe Clean For A Fresh Look Season After Season

Generous 350L / 92 Gal Capacity: Perfect For Storing Garden Cushions, Outdoor Games, Tools, And Accessories

Easy Assembly: Quick, Tool-Free Setup So You Can Start Using Your Storage Box Right Away

Read more Read less

#TOP 10

60L Yellow Grit Salt Bin Stackable Lockable Heavy Duty Containers 50 x 47 x 47.5

Generic

WIN011

Yellow

60L Yellow Grit Salt Bin Stackable Lockable Heavy Duty Containers 50 x 47 x 47.5

8.7

FTB Score

Buy on Amazon

Find on eBay

Features

Compact & Space-Saving: Measuring 50 X 47 X 47.5 Cm, This Small, Lightweight Bin Fits Easily Into Tight Spaces, Making It Perfect For Homes, Offices, Or Small Business Entrances.

Durable & Weather-Resistant: Made From Medium-Density Polyethylene, This 60L Mini Grit Bin Withstands Temperatures From -20°C To +47°C, Ensuring Your Grit Or Salt Stays Dry And Protected In All Weather Conditions.

Lightweight & Portable: Weighing Only 5.2 Kg, The Bin Is Easy To Move And Handle, Providing Convenience For Regular Use Without Straining Your Back.

Large 50L Capacity: With A 60-Litre Capacity, This Grit Bin Can Hold Up To 60kg Of Grit Or Salt, Providing Plenty Of Material To Tackle Snow And Ice On Pathways, Driveways, And Other Surfaces.

Heavy-Duty Construction: Featuring A 5mm Thick Wall, The Grit Bin Is Designed To Keep Its Contents Secure And Intact, Even In Harsh Conditions, Offering Long-Lasting Durability.

Bright Yellow For Visibility: The Eye-Catching Yellow Colour Ensures The Bin Is Easy To Spot, Even In Low Light, So You Can Find It Quickly When You Need It Most.

Read more Read less

Editor's Notes

During our lockable outdoor storage container research, we found 61 lockable outdoor storage container products and shortlisted 10 quality products. We collected and analyzed 12,606 customer reviews through our big data system to write the lockable outdoor storage containers list. We found that most customers choose lockable outdoor storage containers with an average price of £20.00.

The lockable outdoor storage containers are available for purchase. We have researched hundreds of brands and picked the top brands of lockable outdoor storage containers, including Olsen & Smith, Keter, URBN GARDEN, Duramax, Bonnlo.

Written by

Toby Butcher

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.