Toilet rough in details.
Standard wall mounted sink height.
A sink installed at the height of the toilet is incorrectly installed but toilets are in the 16 20 inch range.
This doesn t sound right.
A sink at 30 inches is fairly standard but if your family is tall you can go to 36 inch and above in my market called a luxury height.
Standard sink heights standard bathroom sink heights range from 29 inches to as much as 36 inches high depending upon personal preference and the type of sink.
Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline.
The standard height for a guest or master bathroom vanity is 33 to 36.
Modern bathroom cabinets are 32 to 36 inches high including the countertop.
On the contrary 36 inches is a much more comfortable experience for a tall person.
For example pedestal sinks are.
Cold water only pipe creates one hole between 5 and 10 inches above the floor supply line horizontal.
It basically depends on your needs and preference.
A wall mounted bathroom sink would normally be mounted at the same height as a sink in a counter in the room.
Check toilet to confirm location water supply connection.
For an ada compliant wall hung sink the height has to be somewhere below 34 inches.