If your upvc window lock is broken it is wise to ask a professional window fitter to take a look at it most upvc windows are fitted with an espag lock which is operated using the handle.
Upvc door lock stuck open.
New door necessary if unable to open upvc lock.
Upvc door won t lock even when open.
Broken keys rust and misalignment are the most common causes of jammed door locks and doors that just won t open.
Problem with lock cylinder.
If your upvc door won t lock even when still open this is usually because of the following reasons.
If your upvc window is open and you are unable to lock it your home is not secure.
Definitely not the fault here was the multipoint mechanism this is the long locking strip in the edge of the door and in this case the gearbox the center case in the middle of the locking strip i carry most multi point gearboxes so it was simply a case of replacing the part in the door.
Multipoint lock is damaged.
You ll have to call a locksmith to carry out upvc door lock repairs or potentially even replace the door entirely depending on the cause of the jammed lock.
Upvc gearbox failure most common.
A gap between the window and the frame could also lead to draughts and damp.
Door lubrication is required.