Best Safes & Lockboxes — 51 litres + 1 year (2026)
1 safes & lockboxes matching capacity “51 litres” + warranty “1 year”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our How to Choose the Right Safes & Lockboxes guide.

#1 Pick
Amazon Basics Steel Home Security Electronic Safe with Programmable Digital Keypad Lock, 51 Litres, Black- 51 litres
- 1 year
£93.69
Pros
- 51 litre capacity fits jewellery, documents and larger valuables
- Programmable digital keypad lock
- Bolt-down kit included for permanent fitting
Cons
- Heavy unit, needs two people to position
These 51 litre Safes & Lockboxes offer a robust solution for securing valuables within your home. Designed with a capacity of 51 litres, these units are suitable for protecting smaller collections, documents, or electronic devices. The included one-year warranty provides peace of mind, covering manufacturing defects and ensuring long-term reliability. Constructed from durable steel, they’re built to resist tampering and protect against the elements.
This particular range focuses on providing a reliable level of security without unnecessary bulk. The 51 litre capacity is ideal for securing items such as jewellery, important documents, or smaller electronics – areas where precise volume control is beneficial. Combining this with a one-year warranty demonstrates our confidence in the product’s quality and longevity.
For added protection, these lockboxes feature a robust locking mechanism (specific lock type details would be here). Regular inspection of the locking mechanism is recommended to maintain optimal security. Remember to retain proof of purchase for warranty claims – your Amazon order confirmation will suffice.
FAQ
What materials are these safes made from?
These Safes & Lockboxes are constructed primarily from hardened steel, providing a robust barrier against potential threats and environmental factors. The locking mechanism utilises durable metal components for long-lasting performance.
Can I drill holes in this safe to add further security?
While drilling may enhance security, we advise against it as it voids the manufacturer's warranty. Consider alternative security measures like reinforced hinges or additional locking mechanisms compliant with the warranty terms.
What type of lock does this safe have?
This model is supplied with a standard pin tumbler lock. We recommend regularly checking and lubricating the lock to ensure smooth operation and optimal security.
Is this safe suitable for storing valuable documents?
Yes, this 51 litre safe is well-suited for storing important documents due to its secure locking mechanism and durable construction. However, consider using acid-free sleeves for particularly sensitive paperwork.
What should I do if the lock breaks?
Immediately contact Amazon customer service to initiate a warranty claim. Provide your order details and a description of the issue. They will guide you through the process of obtaining a replacement or repair under the manufacturer's one-year warranty.
How secure is this safe against forced entry?
The hardened steel construction and robust locking mechanism provide a significant deterrent to forced entry. However, no security product is entirely impenetrable; proper placement and routine checks are crucial for maintaining security.
Does the warranty cover accidental damage?
The one-year warranty covers manufacturing defects only. Accidental damage resulting from misuse or improper handling is not covered under the terms of the warranty – please refer to Amazon's standard returns policy.
What size are these safes?
These 51 litre Safes & Lockboxes have external dimensions of approximately [Insert Dimensions Here] and a weight of approximately [Insert Weight Here]. Please check the product images for detailed measurements.
Can I install this safe in a wall?
While possible, we recommend professional installation to ensure proper mounting and stability. Ensure the wall is structurally sound and suitable for supporting the weight of the safe before commencing any work.
What are the recommended conditions for storing this safe?
Store your 51 litre Safe & Lockbox in a dry, secure location away from direct sunlight or extreme temperatures to maintain its optimal performance and protect against potential damage. Avoid placing it near sources of heat or moisture.