A stuck door, freely moving handle, or failed multi-point locking mechanism usually means the internal gearbox or full strip has broken. Our specialists carry out fast, reliable uPVC door lock mechanism and door repair services, restoring smooth locking and full security in one visit. Leaving a failed mechanism too long can lead to complete lockouts or a door jammed shut, while repairing or replacing it early keeps your home safe and your door working like new. Whether you’re locked out, the door won’t lock, or the mechanism has collapsed internally, we repair and replace all types of uPVC multi-point locking systems. No call-out charge and fully guaranteed work.