'N'
| Newel | - | Vertical post at top and bottom of staircase |
| Nogging | - | Short wooden stiffeners inserted between joists |
| Nosing | - | Rounded edge of a stair tread projecting beyond the riser |
| Newel | - | Vertical post at top and bottom of staircase |
| Nogging | - | Short wooden stiffeners inserted between joists |
| Nosing | - | Rounded edge of a stair tread projecting beyond the riser |