A uPVC window that will not lock properly is both a security risk and an easy way to lose heat from your home. Knight & Falcon Locksmith repairs uPVC window locks, handles, and hinges across London, restoring both function and security.
Stiff or loose handles, locks that will not engage fully, and hinges that have dropped over time are the most frequent issues, usually caused by worn internal components rather than a fault with the window itself.
A window that does not lock securely is a genuine entry point for an intruder, particularly on ground floor properties. We treat window lock repairs with the same urgency as door locks for this reason.
Most uPVC window issues can be resolved by replacing the specific worn component, such as the handle or locking mechanism, rather than needing a new window unit altogether.
All uPVC window repairs are carried out by DBS checked, fully insured technicians, with a 12 month warranty on parts and labour.
Call us for urgent locksmith assistance. We respond quickly to emergencies across London.
All work carried out by DBS checked and fully insured locksmiths. We offer a 12-month warranty on all work and no call out fee.
Find answers to commonly asked questions about our locksmith services.
This is usually caused by a worn locking mechanism, a stiff handle, or the window frame shifting slightly over time.
In most cases, yes. We replace the specific faulty component rather than the entire window.
Yes, an unsecured window is a genuine access point, particularly at ground level, and should be repaired promptly.
Yes, we repair and replace hinges alongside handles and locking mechanisms as part of a full assessment.
Yes, all uPVC window repairs come with a 12 month warranty on parts and workmanship.
Knight & Falcon Locksmith – fast, reliable locksmith services across Deganwy, Conwy, Llandudno & London. 24/7 emergency call-outs, no call-out fee, fully insured & DBS checked. Lockouts, lock repairs, UPVC fixes & key cutting, we aim to be with you within 30 minutes.
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