Stay Secure
Call GK Windows and Doors today for expert lock repair or replacement. Local, experienced, and reliable.
Why replace your locks?
Lock replacement involves removing faulty or outdated locking mechanisms from windows and doors and installing new, secure alternatives.
GK Windows and Doors recommends this service to enhance your home's security and comply with insurance standards. We fit multi-point locking systems, Euro cylinder locks, deadbolts, and more. Options are available for all types of frames, including anti-snap and high-security models.
Why Replace Locks?
Secure Home
Upgrade to modern, tamper-resistant locks for better safety and peace of mind.
Fix Faults
Replace worn or stiff locks before they fail or cause a lockout.
Avoid Lockouts
Prevent inconvenient and costly emergencies with reliable new locks.
Insurance Approved
Meet or exceed the standards set by most home insurance policies.
Fast Service
Our local team offers prompt and efficient lock replacement.
All Doors Covered
We service locks on composite, uPVC, aluminium, and more.
Recent lock replacement and installations
Angela H.
December 2025“Excellent service, very friendly and efficient. Came out to check faulty windows and also ordered new door handle and letterbox (which he came out and fitted on Sunday). Highly recommend and will definitely use again.”
Aston M.
December 2025“fitted all new windows and French door in my house this weekend and also changed front door lock. They look amazing and finished to a high standard. So so happy! Such a reasonable price too! Highly recommend 🙂.”
Mohammad I.
October 2025“Following a malfunction of the exterior door lock, an urgent replacement was required. GK Windows promptly installed a temporary handle to provide interim security until the new components were received. Upon arrival of the replacement parts, a permanent solution was swiftly implemented. In summary, they effectively addressed the lock issue.”
A snapped window handle replaced quickly and efficiently, December 2025.
Previously stuck window that wouldn't close properly now fitted with new hinges and locking mechanism.
Damaged uPVC window hinge replaced with brand new parts.