Best Safes & Lockboxes — Master Lock (2026)
8 safes & lockboxes matching brand “Master Lock”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our How to Choose the Right Safes & Lockboxes guide.
#1 Pick
MASTER LOCK Certified Fireproof and Waterproof Safe Box with Key, 10L, Portable, for Home and Professionals, Black- 10 litres
- 1 year
£92.04
Pros
- Independently certified fireproof and waterproof protection
- Well-known lock brand with reliable key mechanism
- 10 litre capacity suits documents and small valuables
Cons
- Heavier than a basic non-certified lockbox
#2 Pick
Master Lock Wall Mount Key Lock Box, Outdoor Wall Mounted Lock Box for House Keys, 5 Key Capacity, 5401EC- Holds up to 5 keys
- 1 year
£33.88
Pros
- Set-your-own 4-digit combination, no fixed factory code
- Durable 83mm wide metal body with weatherproof shutter
- Well-known, widely reviewed lock brand
Cons
- Some reviewers note the shackle hardware feels lighter duty than the body
#3 Pick
Master Lock Key Safe, 5401EURD, Wall Mounted, Medium, Strong Outdoor Weather Resistant Construction, Mounting Hardware Included- Holds up to 5 keys
- 1 year
£15.99
Pros
- Well-known, widely reviewed lock brand
- Weather-resistant aluminium build for outdoor mounting
- Mounting hardware included for immediate fitting
Cons
- Set combination dial only, no app or digital backup
#4 Pick
Master Lock Extra Large Key Safe Wall Mounted, XL 106 x 146 x 53 mm, Outdoor, Mounting Kit Included, Black & Silver- Holds up to 10 keys
- 1 year
£27.00
Pros
- Extra-large body holds more keys than compact key safes
- Weather-resistant construction suits outdoor wall mounting
- Mounting kit included for immediate fitting
Cons
- Larger footprint needs more wall space than compact safes
#5 Pick
Master Lock Smart Connected Key Safe, Wall Mounted, Bluetooth or Combination Lock, Medium, Outdoor- Holds multiple keys
- 2 years
£146.93
Pros
- Bluetooth app control lets you share access remotely
- Weatherproof for permanent outdoor mounting
- Falls back to combination entry if needed
Cons
- Premium price versus a basic mechanical key safe
#6 Pick
Master Lock Certified Key Safe, Wall Mounted, Medium 105 x 132 x 43mm, Outdoor Key Lock Box- Holds multiple keys
- 2 years
£30.99
Pros
- Weatherproof housing rated for permanent outdoor use
- Large cavity holds multiple keys or a fob
- Resettable 4-digit combination, no app or batteries needed
Cons
- Basic mechanical lock, no smart/Bluetooth access option
#7 Pick
Master Lock 5481EURD Key Safe, Innovative Design, Large Capacity, High Security- Holds multiple keys
- 2 years
£30.20
Pros
- Larger internal cavity than standard Master Lock key safes
- Redesigned dial resists weathering and tampering
- Free UK delivery on eligible orders
Cons
- Bulkier housing needs more wall space than a compact key safe
#8 Pick
Master Lock Portable Small Lock Box, Set Your Own Combination Lock Portable Safe, Personal Travel Safe, 5900D- Gunmetal Grey
£24.84
Pros
- Small safe is ideal for use as a travel safe or personal safe for protection and security from theft
- Set your own four-digit combination portable safe; ear bud/charging cable access port to conveniently listen to music or charge devices while locked
- Constructed with a shock absorbing foam, small lock box is designed to be water-resistant
- Exterior dimensions: 2-1/4 in. H x 9-17/32 in. W x 4-59/64 D; Interior dimensions: 1-1/4 in. H x 8-1/8 in. W x 3-1/2 in. D
Cons
- Small size limits storage capacity.
At a glance
- Products
- 8
- Price range
- £15.99–£146.93
- Average price
- £50.23
- Average rating
- 4.41 / 5
- Total reviews
- 57,929
- Price tier split
- Budget1Mid-range4Premium3
- In stock
- 8
Master Lock offers a range of safes and lockboxes designed to provide peace of mind for securing valuables. These models cater to diverse needs, from small wall-mounted safes suitable for storing documents and jewelry, through to larger floor safes capable of housing firearms and significant collections. Master Lock’s commitment to security is evident in the robust construction, high-quality locking mechanisms, and often, tamper-resistant features.
This selection focuses solely on Master Lock products, offering a variety of sizes and security levels. You'll find options ranging from compact entry-level safes ideal for securing small valuables like passports and cash to more substantial floor safes built with reinforced steel and offering increased protection against theft and fire. Many models feature biometric access alongside traditional key operation for enhanced convenience and security.
When selecting a Master Lock safe, consider the size of your valuables, the level of security you require, and any specific features such as fire resistance or biometric access. Remember to review the manufacturer’s specifications carefully before purchasing to ensure it meets your individual needs. All listed products are sourced directly from Amazon UK.
FAQ
What materials are Master Lock safes typically made of?
Master Lock safes predominantly feature hardened steel construction for exceptional durability and resistance against forced entry. Some models incorporate fire-resistant insulation to protect contents during a fire, while others utilize tamper-proof locking mechanisms with reinforced hinges.
How do I choose the right size safe for my needs?
Assess the volume of valuables you intend to store. Consider your budget as well; larger safes naturally cost more. Measure the available space in your home or office before making a purchase, ensuring the safe will fit comfortably and securely.
Are Master Lock safes fire resistant?
Certain Master Lock safe models are specifically designed with fire-resistant insulation to help protect contents for a limited period during a fire. However, it’s crucial to note that no safe is entirely impervious to heat; the duration of protection depends on the specific model and the external temperature.
Can I change the combination or key on a Master Lock safe?
Most Master Lock safes come with changeable combinations via a user-accessible dial. Some models also offer key access, allowing you to replace the lock cylinder with a new one if needed. Consult the manufacturer’s instructions for specific details.
What security features do Master Lock safes typically include?
Master Lock safes often incorporate features like tamper-resistant hinges, reinforced locking mechanisms, and sometimes biometric access or dual locking systems to deter theft and unauthorized access. Many models also have a deterrent label to discourage potential burglars.
Do Master Lock safes come with any guarantees or warranties?
The warranty period for Master Lock safes depends on the specific model purchased. Generally, these safes are covered by Amazon’s standard returns policy, which provides options for refunds or replacements if the product is faulty upon arrival.
Are Master Lock safes suitable for storing firearms?
While some larger Master Lock floor safes can accommodate firearms, it's vital to check the specific model's specifications and local laws regarding firearm storage. Ensure the safe meets all legal requirements before purchasing.
How do I install a wall-mounted Master Lock safe?
Wall-mounted Master Lock safes typically come with mounting hardware for easy installation. Follow the manufacturer’s instructions carefully, ensuring the wall is structurally sound and suitable for supporting the weight of the safe. Use appropriate fixings for your wall type.
What maintenance should I do on my Master Lock safe?
Regularly check the locking mechanism for smooth operation and lubricate it with a silicone-based lubricant to prevent sticking. Inspect the hinges and tamper-proof features for any signs of damage or tampering, and store your safe in a dry environment.
Where can I find the full product specifications and user manual?
All detailed specifications, including dimensions, weight, security ratings, and operating instructions, are available on the Amazon UK listing page for each Master Lock safe. You’ll also find downloadable user manuals to assist with installation and operation.