Building Regulations and British Standards Information.
Building Regulations and British Standards apply to staircases and balustrading. Here is a list of appropriate documents:
British Standards –
You can register with BSI British Standards Online for an overview of standards applicable to stair design. Click Here to go to BSI Online Registration..
BS585-1:1989 Woodstairs. Specification for stairs with closed risers for domestic use, including straight and winder flights and quarter or half landings
BS5395-1:1977 Stairs, Ladders and Walkways. Code of practice for the design of straight stairs industrial type stais
BS6180:1999 Barriers in and about buildings. Code of practice
Building Regulations –
A full list of cross references for building standards and regulations applicable to each British Standard number is available from BSI – Use the link above to register online. An item summary for each standard lists all appropriate building regulations for your region
The following documents are of main interest:-
Building regulations 1991 (England and Wales). Approved Document K
Building Standards Scotland 1990
Building Regulations (Northern Ireland)
What type of stairs are you building?
Private Stair: For a typical house the required parameters for this type of stair are maximum rise of 220mm, minimum go of 220mm and a maximimum pitch of 42 degrees.
Institutional or Assembly Stair: For a communal building (where substantial numbers of people live or visit) the required parameters are maximum rise of 150mm, minimum go of 280mm.
Other Stairs (Semi Public): For stairs not covered in the categories above the required parameters are maximum rise of 190mm, minimum go of 250mm and a maximum pitch of 38 degrees.