What you can store in a shipping container

A shipping container is a strong steel storage unit used across homes, construction sites, farms, schools, sports clubs, retail businesses, industrial yards, events, and logistics operations. It can provide secure, weather-resistant storage when the container is suitable for the goods and the site is prepared correctly.

Standard containers are best for dry goods that can tolerate normal temperature changes. They are not automatically suitable for every item. Steel reacts quickly to weather, so the inside of a container can become hot, cold, or humid. Condensation can form when warm, moist air meets cold steel, which can damage paper, textiles, tools, stock, furniture, and electrical equipment.

Before choosing a container, decide whether the goods need simple security, moisture control, temperature control, frequent access, racking, pallet loading, lighting, or export suitability. This helps Acorn Containers recommend the correct size, condition, type, and delivery method.

Items commonly stored in shipping containers

Many dry goods can be stored in a container when they are packed, raised, ventilated, and secured correctly. Common storage uses include:

• Construction tools and equipment: power tools, hand tools, site materials, fixings, barriers, temporary works equipment, and small plant.
• Agricultural items: machinery parts, fencing, animal bedding, seasonal equipment, tools, and dry supplies.
• Retail stock: packaged stock, seasonal goods, display equipment, packaging materials, and overflow inventory.
• Household goods: furniture, appliances, boxes, garden items, renovation materials, and moving storage.
• Sports and leisure equipment: bikes, kayaks, club kit, training equipment, event equipment, and ground maintenance tools.
• Machinery and parts: spares, workshop equipment, vehicle parts, and robust industrial goods.
• Archive and office items: records, furniture, files, and equipment, but only with moisture control and insurance checks.

The stored items should be dry before loading. Wet timber, damp cardboard, wet textiles, recently washed equipment, or rain-soaked pallets introduce moisture, which can worsen condensation.

Goods that need extra protection

Some goods can be stored in containers but need more than a standard dry unit. Documents, books, textiles, upholstered furniture, mattresses, electronics, musical equipment, retail stock, labels, packaging, and untreated metal are more vulnerable to condensation, mould, corrosion, heat, and cold.

For these goods, consider raised storage, airflow gaps, desiccants, anti-condensation coating, ventilation, lining, insulation, or a modified container. A lined container has an internal surface fitted over the steel. Insulation reduces heat transfer and can help reduce the risk of condensation when paired with suitable ventilation.

Keep goods off the floor using pallets, shelving, or racking. Leave space between items and the container walls so air can circulate. Do not block vents with boxes or wrapped pallets. Check stored goods regularly, especially after cold nights, storms, or extended periods of closure.

For moisture-sensitive uses, read insulation options for shipping containers.

Goods that may need specialist checks

Some items need specialist advice before being stored in a shipping container. This includes flammable liquids, gas cylinders, chemicals, fertilisers, pesticides, lithium batteries, food, animal feed, medicines, chilled goods, frozen goods, waste, valuable stock, and regulated materials.

A standard storage container may not provide the ventilation, bunding, temperature control, fire separation, access control, spill containment, or legal compliance needed for these goods. Do not assume that steel construction alone makes storage safe or compliant.

For vehicles, motorbikes, lawnmowers, generators, and machinery, consider fuel, oil, fumes, battery condition, ventilation, leaks, ramps, floor loading, and insurance. Fuel, oils, batteries, and hazardous substances may be subject to rules or insurer conditions. Check with the relevant authority, insurer, safety adviser, or competent professional before storage.

General UK government information can be found at gov.uk.

Choose the right container size

Container size should be based on volume, weight, access, loading method, and site space. A 10ft container is suitable for small sites, domestic storage, clubs, and tools. A 20ft container is a common all-round option for household goods, construction tools, business stock, and site storage. A 40ft container offers more volume for bulky goods but needs more delivery space and a longer placement area.

Heavy, dense goods may reach weight or floor-loading limits before the container is full. Bulky but lighter goods may make better use of a 40ft unit. If you need frequent access, a smaller container or racking layout may be more practical than a long single space.

Useful starting points include 20ft shipping containers and 40ft shipping containers.

Choose the right container type

A standard dry container is suitable for many general storage uses. Other container types may be better where goods have specific handling, loading, or temperature requirements.

• High cube containers: useful where extra internal height is needed for bulky goods, racking, or conversion work.
• Open top containers: useful where goods must be loaded from above by crane.
• Flat rack containers: useful for machinery, vehicles, long items, wide cargo, or awkward loads.
• Refrigerated containers: useful for goods that need controlled temperature and a suitable power supply.
• Modified containers: useful for offices, workshops, retail, welfare, gyms, or specialist storage.

For specialist handling, see 20ft open top containers, flat rack containers, and 20ft refrigerated containers.

Condition grades and storage suitability

Container condition affects appearance, service life, security, weather resistance, and suitability for modifications or export. A one-trip container is a new or near-new unit that has usually carried cargo once before release for sale or hire. It is often chosen for public-facing storage, self-storage sites, schools, offices, and conversions.

A used wind and watertight container can be suitable for many storage uses where dents, faded paint, surface rust, and previous repairs are acceptable. It should keep out normal wind and rain when the roof, walls, doors, and seals are serviceable.

A cargo-worthy container is assessed for carrying cargo, subject to inspection, loading requirements, carrier acceptance, and documentation. A CSC plate is a safety approval plate used for international transport. Storage-grade containers should not be assumed suitable for export without checks.

For newer units, see new build shipping containers.

Security for stored goods

Security depends on the container, lock, site, and user procedures. A lockbox is a steel cover fitted around the padlock position to help protect the lock from bolt cutters and tampering. A suitable padlock should fit correctly inside the lockbox and meet any insurer requirements.

For high-value tools, retail stock, machinery, documents, or customer goods, consider layered security. This can include lockboxes, controlled key access, lighting, alarms, CCTV, fencing, regular inspections, and careful container placement.

No lock or container can remove theft risk completely. Check insurance terms before storing valuable goods, especially on unattended, remote, or temporary sites.

Sale or hire for storage

Hire can suit renovations, construction projects, seasonal stock, events, short-term business storage, and temporary site needs. Buying can suit long-term storage, modification, branding, export packing, or repeated use.

For hire, think about delivery, access during the hire, return condition, and collection. The container must remain accessible for removal, so avoid placing it where later scaffolding, stock, landscaping, fencing, or parked vehicles will block collection.

For purchase, think about maintenance, repainting, corrosion control, insulation, racking, drainage, security, and future relocation. Compare broad options through container sales and container hire.

Delivery, site access and placement

The storage plan must include delivery. Most containers are delivered by a heavy goods vehicle, and many placements use a HIAB. A HIAB is a lorry-mounted crane used to lift a container from the vehicle and place it nearby.

Check road access, gate width, turning space, overhead cables, branches, building eaves, soft ground, drains, manhole covers, septic tanks, and underground services. The placement area should be firm, level, and well-drained. Uneven support can twist the frame, making the doors difficult to open, close, or lock.

Leave clearance for door swing, loading, racking, inspections, and future collection. For delivery planning, see container delivery. For general UK lorry context, see the official guide to lorry types and weights.

Export and business storage risks

If goods may be exported, the container and contents need additional checks. Export use may require cargo-worthy condition, valid CSC status, cargo securing, customs clearance, VAT, duty, insurance, documents, and carrier acceptance.

Incoterms 2020 are trade terms published by the International Chamber of Commerce that define the responsibilities between the buyer and the seller. They can affect transport, risk transfer, insurance, export clearance, import clearance, and delivery obligations.

Acorn Containers can advise on container suitability and delivery planning, but legal, tax, customs, insurance, and trade compliance matters should be checked with the relevant authority, freight forwarder, customs agent, insurer, or trade adviser. For background, see Incoterms 2020, trade.gov.uk, and iccwbo.org.

Storage checklist before you request a quote

1. Confirm whether you want to buy, hire, or compare both options.
2. List the goods being stored and their approximate size, weight, and value.
3. Confirm whether goods are moisture-sensitive, high value, hazardous, temperature-sensitive, or insured.
4. Choose a likely size, such as 10ft, 20ft, 40ft, or high cube.
5. Decide whether you need a dry, open-top, flat rack, refrigerated, or modified container.
6. Confirm condition grade, such as one-trip, used wind and watertight, refurbished, cargo-worthy, or CSC plated.
7. List racking, shelving, ventilation, lining, insulation, anti-condensation, electrics, or security requirements.
8. Provide the delivery postcode, full address, site contact, and access details.
9. Describe ground conditions, overhead hazards, drainage, door clearance, and placement surface.
10. For export, provide cargo, destination, loading plan, freight forwarder details, and documentation requirements.