Want to hire a 20ft container?
Complete the form below to get started.
Buying a 20ft container with SOS is easy.
Complete the form below to get started.
20ft Containers, the Ultimate Storage Solution
Need extra space at home or on-site? Whether you’re tackling a renovation, storing tools, or simply decluttering, our 20ft containers offer the perfect secure and convenient solution – all delivered directly by our expert team.
At Storage on Site, our 20ft containers are the most popular choice for residential, commercial, and construction use. These windproof, waterproof units come in RAL blue or green finishes and can even be fitted with a spray foam roof to help reduce condensation. Available for both hire or purchase, they’re ready for prompt delivery to your premises by our own fleet of trucks and friendly drivers.
Arrange your 20ft shipping container delivery today by giving our helpful team a call or completing our simple contact form.
- Our most popular size storage container
- Ideal for tools, stock, equipment, or household items
- Perfect for long or short term storage
- Waterproof and windproof design
- Optional spray foam insulation for furniture storage
- Expert delivery by SOS fleet and drivers
- Family-run with over 55 years’ experience
- We’ll give you the best price, first time

Standard
20ft Standard ISO Shipping Container built to International Shipping Standards. Wooden floor over steel crossmembers, manufactured with Corten Steel.

High Cube
With an additional 12 inches of height compared to standard containers, these versatile units provide you with extra headroom to store larger and bulkier items.

Full Side Opening
Versatility meets convenience. Features a set of Cargo Doors in place of a single wall to allow swift and easier access to the container from the side.

Double Door/Tunnel
No more wasting time and effort shuffling items around to reach your goods! This option features ISO Cargo Doors at each end, allowing you to load and unload with ease.

COSHH
Our 20ft COSHH Chemical Grade container is purpose-built for the safe storage of hazardous substances on large sites. Fully compliant with COSHH regulations, it features a reinforced steel body, high-level vents, bunded floor, and internal drain for safe spill containment.

Lockbox
A secure lock box is included as standard on all containers and cabins, providing extra protection for your padlock and maximum security against theft and tampering.

Padlock with 2 Keys
Heavy-duty padlock with 2 keys included for every hire, and available to purchase with all container and cabin sales. Keep your storage secure with a robust lock perfect for all containers and cabins.

Container Padlock
Add a heavy-duty container padlock with 2 keys to your purchase for just £45. Enhance the security of your container or cabin with this robust, reliable lock.

Footprint Slabs
Footprint slabs (pack of 4) help level your container or cabin and protect ground surfaces from damage. Ideal for easy, stable placement on grass or uneven ground.

Absorbapoles
Absorbapoles actively absorb moisture to prevent condensation, humidity, and mould inside your container. Keep your stored items dry, fresh, and protected year-round.

Spray Foam Insulation
Upgrade with spray foam insulation on the ceiling to reduce condensation and improve comfort in your container or cabin. Perfect for domestic use and furniture-grade storage.

Colour Repaint
Choose a single RAL colour repaint to customise the exterior of your container or cabin. Achieve a fresh, professional look that matches your style or brand.

Solar Flood Light
Add a container-mounted solar flood light to brighten your site with reliable, energy-efficient lighting. Perfect for added security and visibility—available for sale with your container or cabin purchase.

Racking
Maximise your storage with container racking—custom-fit shelves that help you organise and access your items easily. Turn your container into an efficient, clutter-free workspace.

Light Board
Add a light board for bright, energy-efficient lighting inside your container (requires electrical hook-up). Improve visibility and safety for any workspace or storage setup.

Additional Vents
Enhance fresh airflow and reduce condensation with additional ventilation for your container. Ideal for keeping stored items fresh and minimising moisture build-up.
20ft Containers Specifications
Download Pete’s Academy PDF
Things to know before delivery

External Dimensions
Internal Dimensions
General
Approximate sizes throughout, subject to ISO variations
perfect for
Construction
Self Storage Centres
Shipping & Marine
Education
Retail & Warehousing
Hotels & Hospitality
Farming & Agriculture
Home Offices
Diversification Projects
Catering
General Storage
And much more!
It's simple to order with SOS.
Here's the simple 4 step process...
1. Make an enquiry
Call us on 023 8033 2266 or use an enquiry form, providing your requirements.
2. We’ll contact you
One of our experts will contact you to discuss your options, provide advice and confirm your cost.
3. Delivery date confirmed
After discussing the details and on your approval, your order is booked and delivery is confirmed.
4. You receive your order
Your order will be shipped to you on your confirmed delivery date and placed exactly where required, easy!
Why choose SOS?
✅ Family-Run, Customer-First Approach
✅ Own Fleet, Point-to-Point Delivery
✅ Expert Guidance & Professionalism
✅ Fast, Flexible Delivery Across the South UK
✅ Quality, Security & Cleanliness
✅ End-to-End Solutions (Sales, Hire, Mods)
✅ Wide Range of Container Sizes in Stock Now
Call us today on 023 8033 2266

Frequently asked questions
20ft Containers
What are the dimensions of a 20ft shipping container?
Our 20ft shipping container measures 20 feet long, 8 feet wide, and 8.6 feet high externally. Internally, you’ll get 19’3” in length, 7’7” in width, and 7’9” in height. These dimensions make the 20ft container ideal for on-site storage, as they are large enough to store a significant amount. Take a look at our illustrations to see an example of what you can store in your 20ft unit.
How much does a 20ft container weigh?
An empty 20 foot container weighs 2.2 tonnes. This makes a 20ft sea container suitable for a wide range of heavy-duty uses.
What can I fit inside a 20ft storage container?
A 20ft storage container offers roughly 33 cubic metres of internal space – enough to hold the contents of a typical 2 – 3 bedroom house. It’s also ideal for storing tools, machinery, pallets, equipment, and supplies, making it a versatile choice for builders, retailers, and households.
Do you offer 20ft container hire near me?
Yes! We offer 20ft container hire across the South and surrounding regions. If you’re searching for ‘20ft container hire near me’, we provide fast delivery and flexible rental terms, perfect for temporary storage on construction sites, events, or during renovations.
How much does it cost to rent a 20 foot container?
20 foot container rental prices vary depending on duration, delivery location, and container condition. Our 20ft container hire packages are competitively priced and include delivery, collection, and servicing options. Contact us for a tailored quote.
Can I buy a 20ft container from Storage on Site?
Absolutely. We have 20ft containers in stock right now, ready for collection or delivery. Whether you’re looking to buy a 20ft container for storage, export, or conversion, we have both new (one-trip) and used 20ft containers in stock.
What’s the difference between new and used 20ft containers?
A new 20 foot container (also known as a one-trip container) has made a single journey from the manufacturer and is in excellent condition. Our used 20ft containers are still fully wind and waterproof but may show signs of wear – ideal if you’re after a lower-cost, sturdy storage solution.
Do you sell second-hand 20ft containers?
Yes, we have a regular stock of second-hand 20 ft containers for sale. These units are structurally sound, windproof and waterproof, making them a popular, budget-friendly choice for secure storage on farms, industrial yards, or private properties. These units are also the perfect candidate for DIY projects including cladding and painting.
What are 20ft shipping containers typically used for?
20ft shipping containers are commonly used for equipment storage, household storage, and conversion projects. On construction sites, they store tools and materials securely. Many customers also use them for document archiving, seasonal stock, or even workshop setups.
Are your 20ft sea containers windproof and waterproof?
Yes, all of our 20 ft sea containers, whether new or used, are fully windproof, waterproof, and secure. They are built to withstand extreme conditions, ensuring your goods remain safe and dry.
Can a 20ft container be modified or customised?
Yes. Our 20ft containers can be customised with options such as personnel doors, roller shutters, electrics, racking, lighting, and ventilation. Speak to our team to discuss bespoke configurations to suit your storage or site needs.
Can I use a 20ft container for international shipping?
Yes. Our 20 ft shipping containers meet ISO standards, making them suitable for international freight. Whether you’re exporting machinery, household goods, or commercial products, our 20 foot containers are cargo-worthy and compliant.
How quickly can you deliver a 20ft container?
We offer prompt delivery on 20ft containers across Hampshire, Dorset, Wiltshire and beyond. In-stock units can often be delivered within just a few working days, whether you’re hiring or buying.
Why choose Storage on Site for 20ft containers for sale in the UK?
We’re a trusted local supplier of 20ft containers for sale UK-wide, offering competitive prices, expert advice, and fast delivery. With a wide range of new and second-hand 20 foot containers, plus flexible hire options, we’ll find the right unit for your needs.