20ft Used Shipping Containers
20ft used shipping containers are ISO-built steel containers that have previously been used in international transport and are now repurposed for storage or shipping use. Supplied wind and watertight with a 12-month guarantee and a valid CSC for shipment, they offer a cost-effective, durable solution for storage, export, and conversion projects across the UK.
What Is a 20ft Used Shipping Container?
A 20ft used shipping container is a standard ISO container that has completed multiple cargo journeys before being decommissioned from shipping service. Once removed from active fleets, these containers are inspected and prepared for resale.
They remain structurally sound, secure, and weather-resistant, making them one of the most popular and versatile container options in the UK.
For buyers prioritising value over appearance, used containers offer excellent long-term practicality.
Why 20ft Containers Are the Most Popular Size
20ft containers strike the ideal balance between capacity and site footprint, which is why they’re the most widely used container size.
They are commonly used for:
- Self-storage
- Building sites (tools and machinery)
- Gardens (shed replacement)
- Business premises (stock, equipment, documents)
- Sports clubs and schools
- Farms and allotments
Where space is limited but security is essential, a 20ft used container is usually the right choice.
Condition & Grade Explained (Important)
Used 20ft containers are not cosmetic-grade units.
You should expect:
- Dents and surface wear
- Evidence of previous repairs
- Cosmetic rust patches
However, every unit supplied is:
- Structural soundness
- Secure door operation
- Wind and watertight condition
- Suitability for storage or shipping use
- Guaranteed wind and watertight for 12 months
These containers are sold for function and durability, not aesthetics.
How Long Does a 20ft Used Shipping Container Last?
A 20ft used shipping container can often last 10 to 20 years for storage use, depending on its condition, where it is placed, and how well it is maintained.
Ground preparation has a big impact on container lifespan. A used container will generally last longer when it is kept on firm, level supports, allowed to ventilate properly, and not left sitting in standing water.
Although cosmetic wear is normal on a used unit, structural durability is usually still very strong. For many UK buyers, a used 20ft container remains a practical long-term storage solution when function matters more than appearance.
Shipping Certification (CSC)
Our 20ft used shipping containers are supplied with:
- A valid CSC for 12 months, suitable for export shipping
The CSC can often be extended if required, which makes a used 20ft container a practical option for buyers who need shipment approval without paying one-trip prices.
Standard 20ft Used Shipping Container Specifications
- External dimensions: 20ft (L) × 8ft (W) × 8ft 6in (H)
- Construction: COR-TEN steel
- Floor: Marine-grade plywood
- Condition: Used
- Certification: CSC valid for 12 months (extendable)
- Weatherproofing: Wind and watertight (12-month guarantee)
- Security: Steel cargo doors with lockbox
- Ventilation: Multiple air vents
Built to withstand years of heavy use, these containers remain a dependable storage solution.
For a full breakdown of internal and external measurements, see our guide to 20ft shipping container dimensions UK. If you need loading figures, tare weight, or payload details, read our 20ft shipping container weight guide.
Security & Durability
Constructed from heavy-duty COR-TEN steel, 20ft used containers are designed to resist:
- Forced entry
- Weather exposure
- Long-term static use
They are well suited to storing:
- Tools and machinery
- Business stock
- Agricultural equipment
- Materials and supplies
Despite their used condition, they remain one of the most secure portable storage options available.
Modifications & Optional Extras
Used 20ft containers can be adapted to suit your requirements, including:
- Repainting for improved appearance and corrosion protection
- Electrical fit-outs
- Heating or insulation
- Branding and signage
- Security upgrades
These containers are also frequently used as the base for conversion projects, where cosmetic condition is less important than structure.
For buyers weighing up whether repainting is actually worth the extra cost, read our guide Used 20ft Shipping Container Before and After: Is Painting Worth It?. It shows what painting can realistically improve, what it will not change, and when the extra spend makes sense.
How Much Does a 20ft Used Shipping Container Cost?
A 20ft used shipping container in the UK typically starts from around £850 + VAT, with final pricing depending on condition, depot location, and delivery distance.
Used containers are usually the most cost-effective option for buyers who need secure storage without paying for one-trip condition or a cleaner external finish. The final price can also vary depending on access requirements, offloading method, and any extras such as lockboxes, repainting, or electrics.
For a full breakdown of price ranges, delivery costs, and the factors that affect the final figure, read our guide on How Much Does a 20ft Shipping Container Cost in the UK?
Delivery & Site Access Considerations
Shipping container delivery requires suitable access.
Delivery vehicles may include:
- Rigid HIAB lorries (approx. 39ft long)
- Articulated lorries (up to 65ft long)
You’ll need:
- Firm, level ground
- Clear access for turning and offloading
- Adequate overhead clearance
Discuss access in advance to avoid delivery issues.
If you are unsure whether your site is suitable, see our shipping container delivery guide for practical advice on access, offloading, and ground preparation.
Why Buy a Used 20ft Container from Bosh Boxes?
- Containers inspected before sale
- 12-month wind and watertight guarantee
- Valid CSC supplied for shipment
- UK-wide delivery available
- Clear, honest guidance before purchase
We focus on supplying practical containers that do the job, without unnecessary upselling.
Bottom Line
If you need a cost-effective, secure, and versatile container, a 20ft used shipping container is hard to beat. While cosmetic wear is expected, these units deliver proven durability, reliable weather protection, and strong value for money.
For current availability, delivery options, and a fast quote, contact Bosh Boxes today – The Bosh Boxes Way.
Frequently Asked Questions About 20ft Used Shipping Containers
Can a 20ft used shipping container still be used for shipping?
Yes, provided the container has a valid CSC plate and remains suitable for shipment use.
Is a used 20ft container wind and watertight?
Yes, all used 20ft containers supplied by Bosh Boxes are sold wind and watertight with a 12-month guarantee.
Can a used 20ft container be painted?
Yes, a used 20ft container can be repainted to improve appearance and add another layer of protection. Read Container Painting.
How much can a 20ft used shipping container hold?
A standard 20ft container provides around 33 cubic metres of internal storage space and can typically hold around 10 UK pallets in a single layer. Read our guide to how many pallets fit in a shipping container.
What is the difference between a used and a one-trip 20ft container?
A used 20ft container has previously been in service and will show cosmetic wear, while a one-trip container has only made one cargo journey and usually offers a cleaner appearance and longer expected lifespan.
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