Stairs

Building Regulations requirements

LONG FLIGHTS Stairs with more than 36 risers in consecutive flights should make at least one change of direction of not less than 30°. No more than 16 risers in any flight of stairs serving areas used as a shop or for assembly.

OPEN RISERS
are allowed except for stairs for the disabled where
no lift is available.
Stairs used by children under 5 must have treads overlapping
a minimum of 16mm and be constructed so that a 100mm ø sphere
cannot pass through.