(1) Every building, other than a single-storey building not exceeding 55 square metres in floor area, which does not have a frontage on to a street r public place, shall have access from such street or public place by means of an unobstructed passage way of not less than 3 metres in width, having a clearance of not less than 4,2 metres in height.

(2) Similar access shall be provided from a street or public place to buildings exceeding three storeys in height which have no frontage on a street or public place, and such access shall lead to an open space adjoining the building of at least 4,5 metres in width and 12 metres in length.

(3) In any storey of any building above the ground in which all openings in any length exceeding 45 metres of a wall facing a street or public place or passageway referred to in subsection (1) are fitted with automatic fire-shutters or any other shutters which may bar entry from the outside, at least one shutter in every 45-metre length of such wall shall be readily openable from the outside, and shall bear an approved notice or mark clearly legible from such street, place or passageway.

(4) Where there is erected in front of any building facing a street or public place or passageway referred to in subsection (1) a screen or screen-wall which would otherwise bar entry to windows from the outside, there shall be provided, in such screen or screen-wall, openings of not less than 750 millimetres in width and of not less than 1,2 metres in height.

(5) At least one such opening shall be provided in every 45-metre length of such screen or screen-wall in every storey above finished ground-level, including the ground storey, up to and including the sixth storey.

(6) In any building or portion thereof in which there are no windows in the external walls, access openings shall be provided in such walls for fire-fighting purposes in each storey above finished ground-level, including the ground storey, up to and including the sixth storey.

(7) Such openings shall be not less than 750 millimetres in width and not less than 1,5 metres in height and have a sill not more than 1 metre above the inner floor-level of each storey, and shall be not more than 45 metres apart horizontally.

(8) Every such opening shall be fitted with a shutter readily openable from the outside, and shall bear an approved notice or mark clearly legible from the ground below.

(9) There shall be provided in every building, any storey of which is at a height of more than 20 metres above ground level, at least one lift serving every such storey, and the following provisions shall apply—

a) The electricity-supply to the lift shall be provided by an independent circuit; and

b) The area of the platform of the lift shall be not less than 1,5 square metres, and the lift shall be capable of carrying a load of not less than 545 kilograms’; and

c) The lift shall be fitted with a fire-switch control system incorporating—

i) A device which will enable firemen to take control of the lift without interference from landing call-points; and

ii) A fire-switch positioned at the landing call-station at ground-fronted lock-fast recessed box clearly marked in 50-millimetre lettering “FIRE-SWITCH”;

And

a) The entrance to the lift on each storey served by7 the lift shall be in –

i) An open-access balcony or other permanently ventilated area; or

ii) An approved smoke-lobby:

Provided that the provisions of sub-paragraph (ii) shall not apply to –

a) A storey in a block of flats on which there is no entrance to any flat; or

b) The topmost storey of a building—

i) On which there is a fire-mains outlet provided; and

ii) To which there is access by a stair serving also the storey below that storey; and

iii) Where the lift serving the storey next below that storey is distant from a door in the stairway enclosure of that stair by a horizontal distance of not more than 5 metres