### Building (Planning) Regulations 《建築物(規劃)規例》

10. Balconies and canopies over streets
(1) Every canopy erected within 600 mm of the outer edge of a footpath, or projecting over a road, shall have a clear space of not less than 5.5 m beneath every part thereof.
(2) Every canopy erected over a footpath shall have a clear space of not less than 3.3 m beneath every part thereof.
(3) Every canopy shall be provided with adequate surface water drainage. (L.N. 79 of 1992)
(4) The maximum projection of any canopy (including cornices, mouldings or other features) erected over any street shall be—
(a) one-tenth of the width of the street; or
(b) 3 m,
whichever is the less:
Provided that no portion of any such canopy shall be within 4.5 m, measured horizontally, of a line drawn vertically from a point in the centre line of the street nearest to such portion of the canopy. (L.N. 33 of 1966)(5) (Repealed L.N. 79 of 1992)(L.N. 54 of 1969; L.N. 294 of 1976; L.N. 79 of 1992)

12. No doorways on to canopy
No doorway giving direct access to the top of any canopy shall be made in the external wall of any building.

13. Use of verandahs or balconies
Where any verandah or balcony has been built over or upon any street no such verandah or balcony shall be used or adapted to be used as a factory, workshop, storeroom, kitchen, lavatory, bathroom, water-closet, urinal or latrine.
(L.N. 79 of 1992)

15. Doors, etc. not to open over streets
(1) Subject to paragraph (2), no door, gate, window or shutter opening on or over any street shall be so hung or placed as to project over such street at a height of less than 2.5 m above the ground.
(2) Emergency exit doors, electrical transformer room doors, plant room doors, refuse storage chamber doors and doors leading to similar types of utility rooms or chambers may open outwards over such a street if such doors when fully opened do not cause an obstruction to any person or vehicle using the street.
(L.N. 79 of 1992)

### Building (Planning) Regulations 《建築物(規劃)規例》

18A. Site classification
(1) In this Part and the First and Second Schedules—
class A site (甲類地盤) means a site, not being a class B site or class C site, that abuts on one specified street not less than 4.5 m wide or on more than one such street;
class B site (乙類地盤) means, subject to paragraph (2), a corner site that abuts on 2 specified streets neither of which is less than 4.5 m wide;
class C site (丙類地盤) means, subject to paragraph (2), a corner site that abuts on 3 specified streets none of which is less than 4.5 m wide.
(2) For the purposes of paragraph (1)—
(a) a corner site shall not be regarded as abutting on 2 specified streets unless at least 40 per cent of the boundary of the site abuts on the streets; and
(b) a corner site shall not be regarded as abutting on 3 specified streets unless at least 60 per cent of the boundary of the site abuts on the streets.
(3) A street is to be regarded as a specified street—
(a) if there exists, with respect to the street, any of the following circumstances—
(i) the street is vested in the Government and is maintained by the Highways Department;
(ii) the street is a private street on land held under the same Government lease as the site and under the terms of the lease the lessee has to surrender (when required to do so) the land on which the street is situated to the Government;
(iii) the street is a street required to be constructed on unleased Government land by the lessee of the Government lease under which the site is held pursuant to the terms of that lease;
(iv) the street is on land over which the owner of the site is expressly granted, by or by virtue of an instrument, a right of way exercisable at all times;
(v) the street is on land held under a Government lease by the owner of the site; or
(b) if—
(i) one or more of the circumstances mentioned in subparagraph (a)(i), (ii), (iii), (iv) and (v) exist with respect to different parts of the street; and
(ii) those parts together constitute the street.
(L.N. 110 of 2005)

### Building (Planning) Regulations 《建築物(規劃)規例》

19. General provisions concerning site coverage and plot ratio
(1) The maximum site coverage permitted in respect of a building or buildings on a class A site, class B site or class C site shall be determined in accordance with regulation 20.
(2) The maximum plot ratio permitted in respect of a building or buildings on a class A site, class B site or class C site shall be determined in accordance with regulation 21.
(3) The height of a building or buildings on a site that is not a class A site, class B site or class C site, and the maximum site coverage and maximum plot ratio permitted in respect of such a building or buildings, shall be determined by the Building Authority.
(L.N. 110 of 2005)

### Building (Planning) Regulations 《建築物(規劃)規例》

21. Permitted plot ratio
(1) Subject to regulation 22 and depending on the height of the building— (L.N. 78 of 1970; L.N. 406 of 1987)
(a) the plot ratio for a domestic building on a class A site shall not exceed the plot ratio specified in the fifth column of the First Schedule;
(b) the plot ratio for a domestic building on a class B site shall not exceed the plot ratio specified in the sixth column of the First Schedule;
(c) the plot ratio for a domestic building on a class C site shall not exceed the plot ratio specified in the seventh column of the First Schedule;
(d) the plot ratio for a non-domestic building on a class A site shall not exceed the plot ratio specified in the eleventh column of the First Schedule;
(e) the plot ratio for a non-domestic building on a class B site shall not exceed the plot ratio specified in the twelfth column of the First Schedule; and
(f) the plot ratio for a non-domestic building on a class C site shall not exceed the plot ratio specified in the thirteenth column of the First Schedule.
(2) Subject to regulation 22, the plot ratio for the domestic part of a composite building shall not exceed the product of the difference between the permitted plot ratio for the building if it were a non-domestic building and the actual plot ratio of the non-domestic part of the building and the permitted plot ratio for the building if it were a domestic building divided by the permitted plot ratio for the building if it were a non-domestic building. (L.N. 78 of 1970; L.N. 406 of 1987)
(3) For the purposes of this regulation and of regulations 19, 20 and 22, the plot ratio of a building shall be obtained by dividing the gross floor area of the building by the area of the site on which the building is erected.
(G.N.A. 97 of 1962)

### Building (Planning) Regulations 《建築物(規劃)規例》

24. Height of storeys
(1) Every room used or intended to be used for the purpose of an office or for habitation in any building shall have a height of not less than 2.5 m measured from floor to ceiling: (L.N. 406 of 1987)
Provided that there shall be not less than 2.3 m measured from the floor to the underside of any beam.
(2) In any such room having a sloping ceiling, the height shall be measured to the mean height of such ceiling above floor level:
Provided that no portion of any room shall have a height of less than 2 m.
(3) (Repealed L.N. 406 of 1987)(L.N. 294 of 1976)