Uk building regulations stairs are no joke.
Door at top of stairs building regs uk.
There should be two metres headroom at the top of the stairs.
Rise the vertical distance from the top of the tread to the top of the next one building regs specify a minimum distance of 150mm to a maximum of 220mm.
Doors should not open more than 400mm onto the front of any step.
And as such handrails are an important part of any staircase design.
No door should swing closer than 400mm to the front of any step.
One of the main concerns of building regulations on stairs is the health and safety of those dwelling in a property.
Please note where there are real difficulties in the height some building control officers will allow you to build a newel out from the wall to meet the regulations.
Generally speaking a landing equal to the width of the stairs is required at the top of the stairs if the door opens outwards away from the stairs.
Going the horizontal distance between one step and the next measured from the nosing to the nosing building regs specify a minimum distance of 220mm to a maximum of 300mm.
At the bottom of the stairs a door is allowed to open over the landing providing there is a further clear distance of 400mm as shown in diagram 1 24 in approved document k.
This part of your stairs is pretty simple.
You must have a minimum of 2000mm of head room and this has to be constant through the entire staircase.
Other uk staircase building regulations.
This will restrict the width at the top of the stairs but may be an option for you to consider.
Since the opening.
As an example if you want to build a regulation staircase all risers will have to come at the same size.