Door lock broken, stiff or refusing to turn? WindowFix repairs and replaces uPVC and composite door locks across the North East – usually the same day. From multipoint locking mechanisms to snapped keys and worn euro cylinders, we get your door locking securely again.
No Call-Out Charge – No Fix No Fee – Free Estimates – Same-Day Service Where Possible
Locked out or lock failing? Call now for fast local help.
Door Lock Problems We Fix
- Multipoint locking mechanisms that will not engage or release
- Euro cylinder barrels – worn, stiff or snapped keys
- Handles that are floppy, stiff or will not lift
- Doors that have dropped so the lock no longer lines up
- Upgrades to anti-snap, high-security cylinders


Same-Day Lock Repairs
Most door lock failures are caused by either a worn gearbox in the multipoint mechanism or a door that has dropped out of alignment. We carry common gearboxes, mechanisms and cylinders in the van, so the majority of repairs are completed in a single visit.
A failing lock rarely fixes itself – it gets stiffer until one day the door will not open or lock at all. If your key is getting harder to turn or you have to lift the handle just right, call us before it fails completely.
Security You Can Trust
We are qualified locksmiths, but we do not charge locksmith call-out rates or so-called safe cracker prices. You get a clear quote before any work begins, and we can fit insurance-approved, anti-snap euro cylinders to keep your home secure.
Why Choose WindowFix?
- No call-out charge – and no fix, no fee
- Fast local response – we cover the whole North East from our Houghton le Spring base
- 30+ years of experience – a family-run local firm, not a national call centre
- Fully insured – all work guaranteed
Frequently Asked Questions
Do not put up with a failing door lock – call WindowFix for fast, honest lock repairs.
Related services: uPVC door repairs, window lock repairs and emergency boarding up.
