Master Lock Products UK — Reviews & Best Picks
7 Master Lock products in our UK catalogue.
Master Lock is a globally recognised name synonymous with security and dependable locking solutions, and you’ll find a substantial selection here on our site. Primarily, shoppers turn to Master Lock for robust padlocks in various sizes and designs – perfect for securing sheds, bicycles, garden equipment, or even toolboxes. They offer a wide range of options from smaller, portable locks ideal for securing valuables within the home, right through to heavier-duty models built to withstand more demanding outdoor use. You’ll discover a strong emphasis on durability alongside their practical design.
Master Lock products are generally positioned as offering excellent value for money, providing reliable security without the premium price tag of some specialist brands. Many UK customers appreciate the brand's established reputation and the reassurance that comes with knowing they're purchasing a product built to last. Before making your selection, it’s always wise to consider the intended use – choosing a padlock with an appropriate shackle size and material (like hardened steel) will ensure optimal protection against tampering.
Our collection of Master Lock products caters to a broad range of needs, from securing smaller items around the garden to providing added security for larger storage spaces. Remember to review the manufacturer’s warranty information on the Amazon UK listings for details regarding coverage, and familiarize yourself with Amazon's standard returns policy should you need to explore that option.

#1 Pick
MASTER LOCK Certified Fireproof and Waterproof Safe Box with Key, 10L, Portable, for Home and Professionals, Black- 10 litres
- 1 year
£54.99
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
£29.99
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
£30.25
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
£23.10
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
£32.62
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
Related attributes
FAQ
What is the typical price range for Master Lock products?+
Master Lock offers a wide variety of products, with prices generally ranging from around £15 for basic locks to upwards of £100 for more complex security systems.
Where can I purchase Master Lock products in the UK?+
You can find Master Lock products primarily through major online retailers like Amazon UK and select hardware stores across the country.
How do I know if a Master Lock product is good quality?+
Master Lock has a long-standing reputation for producing durable security solutions, often utilizing hardened steel construction to resist tampering.
What types of Master Lock products are available?+
The range includes padlocks, combination locks, disc locks, safes, and even smart lock options, catering to various security needs at different price points.
Are Master Lock products suitable for outdoor use?+
Many Master Lock products, particularly the disc locks and heavier-duty padlocks, are designed with weather resistance in mind, but always check the product specifications for details.
What is the warranty situation for a Master Lock purchase?+
The manufacturer's warranty on Master Lock products varies depending on the specific item; generally, you can find details within the product listing on Amazon UK.
Can I return a Master Lock product bought from Amazon?+
Amazon's standard returns policy applies to all purchases made through their website, so you should be able to initiate a return if the product doesn’t meet your expectations.
Are Master Lock padlocks suitable for securing bicycles?+
Yes, Master Lock disc locks are specifically designed and widely used to secure bicycles against theft, offering a robust deterrent against opportunistic crime.
What materials are Master Lock products typically made from?+
Master Lock products commonly utilise hardened steel, zinc alloys, and durable plastics for both strength and longevity in various environments.
How do I choose the right size padlock for my needs?+
Consider the security level you require and the items you intend to lock - larger padlocks offer greater resistance to forced entry compared to smaller ones.