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JW Security specializes in the comprehensive repair, maintenance, and replacement of UPVC door locks and window mechanisms for residential and commercial properties. Our experienced technicians are familiar with all major brands, providing expert solutions for all UPVC security issues.
UPVC doors and windows feature complex locking systems that require specialized knowledge to service effectively. From multi-point door locks to window espagnolette mechanisms, whether you're experiencing difficulties with your existing hardware or looking to upgrade your security, our team delivers professional, reliable service.
We pride ourselves on using non-destructive techniques wherever possible, ensuring your doors and windows remain undamaged during repairs or replacements. Our goal is to restore full functionality and security with minimal disruption to your property.
We offer targeted solutions for the unique challenges of UPVC security hardware.
Our tools and techniques are specifically designed for high-precision adjustments and repairs on modern multi-point systems.
We diagnose and fix issues with jammed, misaligned, or damaged UPVC door locks to restore proper functionality.
Expert repair of UPVC window locks, handles, and espagnolette mechanisms for secure and smooth operation.
We replace worn or outdated door and window locks with high-security alternatives that meet modern standards.
Fast response for lock failures and lockouts, gaining access with minimal damage to your doors or windows.
UPVC mechanisms are prone to specific wear patterns. Here is how we address the most frequent issues.
Door lock sticking or jamming
Professional lubrication and mechanism adjustment to ensure smooth operation
Window handle not engaging or turning freely
Repair or replacement of window gearbox and espagnolette mechanism
Handle lifting required to engage door locks
Realignment of the multi-point locking system and adjustment of the gearbox
Window not closing properly or staying shut
Adjustment of window hinges and realignment with frame for proper seal
Key difficult to turn or stuck in lock
Lock cylinder cleaning, lubrication, or replacement if worn or damaged
Door or window dropping and misaligning
Hinge adjustment and alignment to properly engage with the frame and keep locks aligned

Our techniques are compatible with all major industry manufacturers and balcony door specialists.
* And many others. Contact us for any non-listed brands.
Contact our specialists for fast diagnosis and repair. We provide emergency services and free quotations for all UPVC door and window lock issues.
Get a Free ConsultationNeed urgent assistance? Call our emergency hotline for immediate support.
Call our emergency hotline
0208 646 7931