Someone has mentioned the posidrive screwdriver and yes it is easy to remove the complete assembly.
Upvc door locked no key.
You will need lock picking tools to unlock a door without a key.
Open the door and look for the latch plate along the door s edge.
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A basic pin tumbler lock consists of the plug the key pins driver pins and the springs at its core assembly.
Presumably if it is a upvc door the lock is the type which screws to the door edge and locks with four latches and the main bolt.
Step 2 look for a small set screw at the base of the handle.
It isn t easy without a key but it is possible.
Place the short end of the tension wrench into the lock as far as it will go.
Upvc door locksmith in the west midlands wolverhampton locksmiths covering walsall and cannock.
As people said you could drill it but sometimes that won t work.
Unscrew this plate and remove the latch from the door if possible.
Improvised lock picking tools can be made out of common household items like bobby pins and paper clips.
Turn it in the direction that you normally turn.