My fault, poor photograph- the header is unsupported.
It ends at the stringers at both sides. What you see is another cut joist giving the appearance of the header continuing to the wall. Home owner was not home when I got there to take more pics … at least the camera appears to be “ok” but I am getting a back up next week.
My fat A** didn’t scrape the walls when I was walking up or down the stairwell, doesn’t that meet acceptable criteria? :mrgreen:
… Width was ok - 38" wide, No handrail and the winder was not to “minimum standards”