The Newel staircase has treads framed into a newel post; it may occupy a circular or a rectangular space. Its treads are winders, triangular in plan.
Alternative(s): Vice stair
B) Newel staircase C) Dog-leg staircase D) Winder staircase E) Open-well staircase
i*) Newel post l) Solid tread n) Half-landing p) Quarter-landing