Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 27·3.18
Landing obstruction and door swing restrictions
Landings must be clear of obstructions, but in private stairs doors may swing across landings if they leave at least 400 mm clear space across the full width of the flight.
To afford safe passage a landing should be clear of any obstruction.
However, in a private stair –
(a) a door may swing across a landing at the bottom of a flight but only where it will leave a clear space of at least 400 mm across the full width of the flight. See Diagram 3.5; and
(b) a door to a cupboard or duct may swing across a landing at –
(i) the bottom of a flight; and
(ii) the top of a flight where it will leave a clear space of 400 mm across the full width of the flight. See Diagram 3.6.
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