I Have a staircase that I need to include in my plan that I cannot find an answer for.
The stair case area is 1.96 metres wide and 2.3 metres deep
The height from Ground floor to 1st floor is 2.608 metres
The staircase is carpeted and goes up as below:
5 stairs with Tread 900x300mm
1 tread 900 wide ...