Ultion Window Handles
The Ultion In Line Window Handle has a full range of colour options. Whether you’re working on a project that calls for a classic White finish, a bold Black, a timeless Gold, or the contemporary appeal of Satin Nickel, this handle has you covered. From as little as £4.50 per handle. Peace of mind with a 10 Year Guarantee
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Ultion Keys with free key caps
Genuine Ultion Keys From the Manufacturer - Maintains Ultion guarantees - Works with Ultion Key Control - Police Preferred Specification - NOW WITH FREE KEY CAPS!
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Sleeping Battery - Protect against relay theft
Relay attack is a form of keyless car theft. Criminals bypass the keyless entry security by extending the signal of the car key from inside the home. This happens silently and very quickly.
More InfoUltion 3 Star PLUS Lock
£5,000 security guarantee - Sold Secure Diamond. Tested & approved by locksmiths - Police preferred specification. Secure By Design - Extra strong molybdenum core with double lockdown mode - A 60% thicker, more durable key - Free Ultion Key Control for extra security.
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The All-New 2025 Ultion Nuki
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.
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Why Choose Lock Fitter
The UK's trusted supplier of premium security hardware. Expert guidance, fast delivery, and the best brands to protect what matters most.
Trusted Expertise
Since 2016, Lock Fitter has specialised in supplying premium locks and handles with nationwide delivery. Get the right products from people who understand security inside-out.
Premium Brands Only
Official stockists of ULTION® and LOCKLOCK® — best-in-class security hardware engineered to resist modern break-in techniques and protect your home.
Fast UK Delivery
Simple checkout, clear dispatch updates, and reliable delivery options across the UK. Get your security upgrade when you need it, without the wait.
Verified Reviews
Over 130 customer reviews averaging 4.9★ for quality and service. Real homeowners who've upgraded their security and peace of mind with us.
Expert Support
Not sure which lock or handle fits your door? Our knowledgeable team provides tailored guidance by phone or email — order with confidence and avoid costly mistakes.
Ready to Upgrade Your Home Security?
Browse our premium range or speak with our team for expert advice
Trusted by Homeowners Across the UK
Real reviews from real customers who've upgraded their home security with premium locks and handles.
"Excellent service – website was clear and factual."
Excellent service – website was clear and factual. Apple Pay makes it easy. Super fast delivery. They even called to check my delivery address! Top class.
Matthew
GB
"Your company delivered the key next day."
Your company delivered the key next day, but I was rather surprised that the delivery driver did not know that he was delivering keys which are valuable security items. However all’s well that ends well – the keys fit the doors which is the main thing!
Peter
GB
"The only company that stocked the exact handle I needed."
After a lot of desperate searching, Lock Fitter were the only company I could find that stocked the exact sized/shaped old fashioned patio door handle that I needed. It also arrived a day ahead of the expected delivery date. Thank you so much!!
Customer
GB
"Excellent service, seller and item."
Excellent service, seller and item. Locks are high quality and easy to install.
Angie
Edinburgh, IE
"My experience with this company has been very positive."
My experience with this company has been very positive. We ran into a couple of problems, and they were dealt with promptly and politely. The problems occurred due to my lack of knowledge by the way. This is now the company I would go to with anything lock related.
Mary
GB
"Great help and fast solution from David & Maisie."
Great help and fast solution from David & Maisie as always, nothing is too much trouble. I like dealing with this company – it’s the way it should be.
Mr John Welsh
IT
"Very helpful from the moment I placed my order."
Very helpful. On the phone 5 minutes after ordering asking if both locks were for the same house and, if so, would I like one key to do both locks.
Pete Codman
GB
"Great service, slight hiccup with delivery but sorted quickly."
Great service, slight hiccup with delivery but was sorted quickly and unprompted with costs reimbursed.
Ryan
GB
"Kieran was prompt, polite, helpful and sorted out our bifold lock."
Kieran was prompt, polite, helpful and sorted out our bifold lock. Highly recommended!
Mr S Wildman
GB
"The replacement handle arrived promptly and fit perfectly."
I ordered a replacement handle for my bifold doors, and it arrived promptly and fit perfectly. The customer service was helpful, with quick responses via email and phone. Delivery was fast, and the product did the job. Decent service overall.
Inge
GB
"Order was easy and arrived quick."
Order was easy and arrived quick. I ordered the wrong thing, return was easy. The company were really easy to deal with and very friendly. I returned an item and the day it arrived back with them they messaged to say they had issued a refund. Very impressed.
KATHRYN
GB
"The service was outstanding from first email to delivery."
I contacted via email with a query about replacing a specific handle for my bifolds. Dave emailed straight back and even called me to ensure it was correct. I ordered that afternoon and it arrived the next day, perfect fit. I don’t usually leave reviews but I felt the service was outstanding.
Mark Beavan
GB
"I ordered a handle which was an unusual size."
I ordered a handle which was an unusual size. The very nice man called me to double check I’d selected the right one to save me having to return it if not. Great service and quick postage.
Aimee
GB