You need to find out if you are the exception in your location by taking some simple measurements.
Fitting wc door handle.
You ll need this to buy a new knob or handle.
The handle will stay in place leaving your hands free to secure the interior trim.
Installing a door handle is a relatively easy home project that you can do with a pre made kit.
Unscrew latch and plate from edge of door then pop out latch.
Fitting the door handle.
The most important consideration for fixing door handles this way is finding a replacement handle that will fit the door.
Drill two holes through where you made the marks.
Slide the adjustable throughbolt up or down as needed and press the handleset onto the door.
Measure backset from edge of door to centre of hole usually 60 or 70mm.
Installing a door handle is a relatively easy diy project.
Begin installing the inside lever by orienting the lever to point away from the edge of the door with the screw holes aligned vertically.
Most residential and commercial doors will have a standard size which corresponds to the available handles in a given market.
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.
Put your tape measure on the floor in front of your door and measure up 41 inches from the floor since this is the most common placement for door handles.
Align the square spindle.
To avoid damage to door it may first be worthwhile running a utility knife around edges of plate to break paint seal.