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1-5 years workmanship and parts
100% customer satisfaction
We’re expert in repairing and replacing locking mechanisms for uPVC and aluminium windows. These are some of the most common problems we resolve:
Damaged or non-functional mechanisms are replaced to restore your window’s locking ability.
Locks that stick or won’t turn are repaired or replaced to ensure smooth operation.
When the lock’s hooks or rollers don’t align with the keeps, we adjust or replace the components to secure the window
Multi-point locking systems that fail to engage properly are repaired to restore full security.
If the mechanism doesn’t lock when you turn the handle, we replace worn or faulty internal components.
The central gearbox of the locking system can wear out over time. We fit new gearboxes for smooth, reliable operation.
Rusted or damaged locking parts are replaced with high-quality, durable components to ensure longevity.
After an attempted break-in, we repair or replace damaged locking systems to restore security.
Save 20% on 3 or more
Enjoy 20% off when you replace 3 or more double glaze glass units with us
Offer only valid for UPVC casement windows*
At Window Fixers, we make window lock replacement simple and stress-free. Our expert team specialises in uPVC and aluminium window locks, fixing faulty mechanisms to restore your home’s security. For just £145 per window, including parts and labour, you’ll get reliable, high-quality repairs with no hidden fees. Plus, with our no fix, no fee guarantee, 1-year warranty, and no call-out charge, you can trust us for fast, hassle-free service. Contact us today for professional, affordable repairs!
Our skilled technicians specialise in replacing faulty internal locking mechanisms for uPVC and aluminium windows.
We stand by our work. If we can’t fix the issue, you won’t be charged.
Unlike some companies, we never charge for coming to assess your window issues.
All our repairs come with a 1-year guarantee, giving you confidence in the quality of our work.
Send us a quick photo or video of your window via WhatsApp or Email, or give us a call to speak directly with one of our experts.
We specialise in uPVC and aluminium window locks, including multi-point locks, standard mechanisms, and high-security options.
Signs like a stiff handle, jammed lock, or difficulty turning the key usually mean your lock needs attention. A damaged or non-working mechanism is a clear sign it’s time for a replacement.
Absolutely! Our team can replace faulty or broken mechanisms with high-quality parts to restore your window’s security.
Avoid forcing it, as this could cause more damage. Contact us, and our technicians will safely repair or replace the lock for you.
We aim to provide fast service and can often repair or replace your lock on the same day or within 24 hours, depending on availability.
Yes, we provide fast-response local window repair services in London, including emergency window lock repairs. If you’re dealing with a broken window lock or need immediate help to replace window locks, we’re here to assist quickly and efficiently.
We offer our window lock replacement services across London and nearby areas, ensuring a quick response wherever you are.
Yes, all our window lock repairs and replacements come with a 1-year warranty for your peace of mind.
We charge a flat rate of ÂŁ145.00 per window, which includes parts, labour, and VAT. There are no hidden fees, and the price covers everything.
Price is based on standard uPVC casement window**
Aluminium windows and more complicated repairs may cost more**
We provide reliable, affordable service with no call-out charge and a no fix, no fee guarantee. Plus, our skilled technicians ensure your windows are secure and functional in no time.
Need help with your window lock?
Call us at 0208 0641 844, email [email protected], or WhatsApp a picture of your window for quick response.
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