Comparing two leading UK manufacturers of secure metal storage for tools, bikes and outdoor equipment.
Secure metal storage has become an increasingly popular solution for protecting valuable tools, bicycles and outdoor equipment. Compared with traditional wooden sheds, steel storage units offer greater durability, lower maintenance and significantly improved resistance to forced entry.
Among the leading manufacturers in the UK, Asgard and Trimetals are two brands widely recognised for producing high-quality metal storage designed with security and durability in mind.
Both companies have decades of experience manufacturing steel storage products and have developed strong reputations for robust construction and thoughtful design. While their products share many similarities, there are also some important differences that may influence which brand is the best fit for your needs.
If you’re exploring secure storage options, you can browse our Secure Tool Storage, Secure Bike Storage, and Premium Metal Garden Storage collections.
Quick Comparison: Asgard vs Trimetals
Asgard
• Heavy-duty steel construction (typically thicker panels)
• Multi-point locking systems on many models
• Several products accredited to Police Preferred Specification (Secured by Design)
• Wide range of secure storage units including sheds, bike stores and tool storage
• Nationwide assembly service available
Trimetals
• High-quality galvanised steel construction
• Unique spring-assisted lift-up door on many models for easy walk-in access
• Long anti-corrosion warranties on many products
• Royal Horticultural Society endorsed brand
• Assembly service available in selected regions of southern England
Both brands offer strong, durable metal storage solutions designed to protect valuable outdoor equipment. The sections below explore their key differences in more detail.
About Asgard Secure Steel Storage
Asgard Secure Steel Storage is a UK manufacturer specialising in high-security metal storage for tools, bikes and outdoor equipment. The company has focused exclusively on secure storage solutions for many years and is well known for its heavy-duty steel construction and integrated locking systems.
Many Asgard products are designed with security as the primary focus. Several models have achieved Police Preferred Specification (Secured by Design) accreditation and have been independently tested by recognised certification bodies.
Asgard units typically feature thick steel panels, reinforced doors and multi-point locking systems designed to provide strong resistance against forced entry, making Asgard storage particularly popular for homeowners looking to protect expensive tools, bikes or equipment in outdoor environments. Many models use traditional hinged doors for straightforward access and secure locking.
Most Asgard storage units are supplied for DIY self-assembly with detailed instructions, and the manufacturer also offers an optional professional installation service with wide UK coverage.
A wide range of accessories is available, including shelving, hooks, ramps and internal storage options designed specifically for Asgard units.
Example of an Asgard secure steel storage unit designed for tools and outdoor equipment.
About Trimetals Storage
Trimetals is another long-established UK manufacturer with more than 50 years of experience producing metal storage solutions for gardens and outdoor spaces. The company offers a wide range of storage units designed for gardens, patios and outdoor spaces.
Trimetals products are known for their durable steel construction and distinctive overlapping panel design, which helps shed rainwater and provides excellent weather resistance.
A notable feature of several Trimetals models, including the Protect-a-Cycle bike store, is their spring-assisted lift-up lid design, which allows the entire front section to open upwards. This provides convenient “walk-in” access and makes it easier to store or remove bikes and equipment.
Trimetals storage units are supplied for DIY self-assembly, and the company has recently introduced an optional installation service in selected postcode areas, mainly covering regions close to their Dorset manufacturing base.
Like Asgard, Trimetals also offers a wide range of accessories designed to enhance storage functionality, including shelving systems and flooring options.
Example of a Trimetals metal storage unit designed for durable outdoor storage.
Key Differences Between Asgard and Trimetals
Both brands manufacture durable metal storage units, but their design approach differs slightly.
Security focus
Asgard products are widely recognised for their emphasis on security, with several models achieving recognised security accreditations such as Secured by Design.
Access design
Many Asgard units use traditional hinged doors, while some Trimetals models feature spring-assisted lift-up lids that provide wide, convenient access to stored items.
Installation options
Both brands supply products for DIY self-assembly and provide optional installation services. Asgard’s installation network generally covers a wider geographical area, while Trimetals currently offers installation in selected regions.
Accessories and add-ons
Both manufacturers provide a range of accessories such as shelving, ramps and internal storage options designed specifically for their units.
Asgard vs Trimetals: Key Differences at a Glance
| Feature | Asgard | Trimetals |
| Manufacturer focus | Secure steel storage specialist | Long-established metal storage manufacturer |
| Typical use cases | High-security storage for tools, bikes and equipment | Bike storage, garden storage and compact outdoor storage |
| Security accreditations | Several models achieve Secured by Design (Police Preferred Specification) and other security certifications | Selected models such as Protect-a-Cycle offer high-security design |
| Construction | Heavy-duty steel panels with reinforced doors | Durable steel construction with overlapping panel design |
| Access design | Traditional hinged doors with multi-point locking systems | Some models feature spring-assisted lift-up lids for full access |
| Installation | DIY assembly or optional professional installation with wide UK coverage | DIY assembly or optional installation available in selected regions |
| Accessories | Wide range including shelving, ramps, flooring and internal storage options | Wide range including shelving, flooring and storage accessories |
| Warranty | Typically around 10 years depending on model | Up to 25 years depending on model |
Both Asgard and Trimetals manufacture high-quality metal storage designed for durability and security, and the best choice often depends on how you plan to use the storage unit.
Which Brand Is Best for Your Needs?
Choosing between Asgard and Trimetals often depends on what you plan to store.
For high-security tool storage
Asgard storage units are often preferred when maximum security is the primary concern, particularly for storing valuable power tools or equipment.
For bicycle storage
The brands offer excellent bike storage options. Trimetals is particularly well known for its purpose-built bike storage units with lift-up access lids, while Asgard offers secure steel bike stores with reinforced doors and integrated locking systems.
For general garden storage
Both manufacturers offer durable steel sheds and storage units suitable for protecting tools, garden equipment and outdoor items.
If you're exploring secure metal storage for your garden, you can browse our full range of Secure Tool Storage Sheds, Secure Bike Storage Units, and Premium Metal Garden Storage to compare models from both Asgard and Trimetals.
Explore Secure Metal Storage
If you are considering secure metal storage, you can explore our collections below:
These collections include carefully selected storage units from both Asgard and Trimetals designed to provide durable and reliable protection for valuable outdoor equipment.
Choosing the Right Secure Metal Storage
Both Asgard and Trimetals manufacture high-quality metal storage designed to protect valuable outdoor equipment. Each brand has built a strong reputation over many years for producing durable steel storage solutions that are well suited to UK gardens.
Asgard units are often chosen by homeowners looking for particularly robust security features and accredited storage designed to protect valuable tools or bikes. Trimetals products are widely appreciated for their thoughtful design, durable construction and convenient access systems, particularly for bicycle storage.
Ultimately, the best choice depends on what you plan to store, the space available in your garden and the level of security you require.
If you are unsure which model is the right fit, exploring the available options side by side can help you identify the most suitable solution for your needs.