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Windows and doors are a common point of entry for thieves, so it's important to ensure your locks are up to the task of keeping your home secure. At Radiance Doors Ltd we only use quality locks in our installations. See what sets our installations apart, and get in touch with our Bury-based team now.

Ultion keys lock cutout
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Ensuring a secure product

Security is a key part of any new window or door, and at Radiance Doors we only utilise locks from reputable manufacturers. With over 50 years of experience, we know what makes for a good locking mechanism, and have spent much time in searching for the perfect mechanisms for our customers.


Since opening we have only ever installed high-quality, high-security locks, with Ultion being the standard choice. The Ultion cylinder is widely accepted as one of the most secure keyed cylinders on the market.

Over time we have introduced alternative lock options and are happy to install locks from ABS, Yale and other 3-star security cylinder manufacturers.

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ABS M Inside
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Why Ultion?

Ultion locks are one of the best choices in the industry and address one of the key weaknesses of the locking system, the cylinder. Even the best multi-point locks can be let down if the cylinder is ineffective. There are four fantastic reasons to make Ultion your number one choice:


  • Hidden attack lock. A hidden firing pin in the core of the cylinder secures the central cam, when it detects a lock is being interfered with by a would-be intruder

  • Unbeaten in every test thrown at it. The locks have the highest Kitemark star rating, has been tested by locksmiths with the Master Locksmith Association, and are Sold Secure Diamond accredited.

  • Almost 300,000 key combinations. Utilising 11 pins (most locks only have 5 or 6) Ultion Locks have nearly triple the number of possible key cut combinations.

  • 20-point drill protection. They are even protected against drill attacks, thanks to 20 hardened steel pins and plates with precise positioning.

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Why ABS?

ABS Diagram
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Update your existing doors

If you’re happy with your current doors, but want to enjoy improved security, our team will be more than happy to help. We can also retro-fit high-security cylinders to your existing doors (where compatible) giving instant, enhanced security. We can fit Yale, Ultion or ABS locks depending on what is most suitable for your door.

ABS m 2k card new
Ultion 3 Star
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Highly recommended

Good communication from start to finish. Top quality doors fitted to time for quoted price. Fitting team worked exceptionally hard on a tricky job, were very polite and they left the house cleaner than when they arrived. The doors look great. Highly recommended.


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Get in touch about lock installations. For more information please call 0333 305 0801 

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