However this all depends on whether you are replacing an existing handle or fitting it to a new door.
How to fit a bathroom door handle.
Some blank doors have a specific swing direction.
The process is simple given the right tools you should be able to install your new lock in around an hour or so.
If the knob is to the right select a right handed door.
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Learn how to fit a bathroom lock and avoid any potentially embarrassing encounters unless those in the loo are really good friends.
In our how to guide we will show you how to install a bathroom lock onto a new door.
Begin by removing the screws from the door knob on the interior side of your door.
Drill two holes through where you made the marks.
Open the door and stand with your back to the hinges.
This allows you to pull the door knobs off the door from both sides.
In some cases door latch plate mortises might need to be cut or enlarged.
Place the door lock against the face of the door on both sides and pencil in the hole on the door lock where the door handle has to be drilled into.
If the doorknob is on the left you need a left handed door.
Now you should be able to place the handles and lock turn button which forms part of the handle against the door face and fix correctly using the screws etc provided.
The strike side the side with the lockset of these doors has a beveled edge so the door can swing freely.
Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
This is a complete video featuring the removal of the old doorknob and the installation of the new one.