Standard Door Handle Hole Size And Position

This creates a more harmonious appearance.
Standard door handle hole size and position. Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole. Measure your existing door knobs from the floor up. The standard sized bore hole is 2 1 8 in diameter. The requirements of bs 8300 provide for a door knob to be between 800mm 1050mm 31 5 41 5 inches from a finished floor.
If they are more than inch off the standard height you will want to match all of the pre existing door handle heights in your home. Installers typically drill the hole centered 36 inches above the floor if not specifically instructed to do so differently. Lock bore the diameter of the hole for the lock body. Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Generally the knobs should be of a free moving slide action. In most cases the door set which is inside of the door and controls the door latch will. Most of the current locks require the standard 2 1 8 bore. It is more important that your door handles be consistent than that they match the standard door handle height.
If one wants to replace their locks on doors that have smaller diameter holes there are 2 options. Most interior doors are prepped with a single boor hole. Their position should be between 900mm 1050mm 35 5 41 5 inches above the floor. The standard bore is 2 1 8.
Standard door preparation for door knob or lever handle.