New and improved for 2025, the Ultion Nuki is our latest evolution of our award-winning smart lock, now with an ultra-sleek streamlined design, built-in Wi-Fi bridge, and Ultion’s reputation for supreme home security.
Lock Fitter Ltd
Ultion Nuki
Ultion Nuki
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The All-New 2025 Ultion Nuki
Our best smart lock ever.
Designed to fit
UK Doors.
We’ve engineered our smart lock to be the perfect fit to UK doors. It takes as little as 4 minutes to get everything up and running.

Control your lock
from anywhere.
With its built-in Wi-Fi, there's no fuss with extra bridges or devices—just a straightforward, direct connection to your home network. Easily lock or unlock your door from anywhere, anytime, with just a tap on your smartphone.

The smart lock with
security at heart.
Every Ultion Nuki is backed with ultra-secure Ultion 3 Star PLUS lock at its heart, because we believe that cutting-edge smart tech shouldn’t come at the cost of a secure home.

From box to door
in 4 minutes.
Because there is no drilling or wiring required, it takes only a few minutes to replace your existing handle with an Ultion Nuki and have it up and running with your smart platform of choice. We’ve made a handy video to help.
Auto-unlocks
on arrival.
Ultion Nuki can be set to unlock your door when you arrive home without even having to reach for your phone, and then lock a few minutes later. It’s like an invisible doorman — perfect for when you’re carrying shopping, or at night when finding your key is a headache.
Press, twist,
and relax.
At the centre of the Ultion Nuki is a button. A simple press with lock or unlock your door, or you can simply twist the dial for manual operation. On the outside, use your regular key, or upgrade to our keyfob or wireless keypad options.
USB-C
Rechargeable
The built-in rechargeable battery of the Ultion Nuki will keep powering your door lock for up to 9 months, and the app will notify you when the batteries are running low. Plus, the batteries can be recharged in only 2 hours using USB-C.
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