Landing staircase Stairs width

Hello everyone, we are planning a platform staircase in our new building with a total width of 2.175 m and a tread width of 1m per side. We have now been to the kitchen studio and made a plan, but for this type of kitchen (crosswise positioned island) the kitchen could be a few cm wider (width 3.26 m). Now I am trying to find a few more cm and have come to the staircase. Does it make sense to reduce it to 95 cm per side or should the 1m tread width definitely be maintained? How wide are your platform staircases, i.e. tread width?

Total width of 217 cm will probably result in less than 100 cm of walking width with railing and stair opening anyway. I wouldn't make it any narrower.

To place an island in the kitchen with a minimum width of 100cm, you need a room width of no less than 340cm – and that is already extremely tight and cramped! It only really works with room widths over 350cm. The staircase saving would definitely not be enough – because those are certainly raw construction measurements for you, and several centimeters will still be lost for plaster, etc.

I would never build a staircase with a tread width under 100cm - I am currently leaning more towards 110cm!

Ok thanks for the feedback. I was not convinced either to make the stairs smaller.