Floor area

sub-paragraph (b): In determining the gross floor area for the purposes of regulations 20, 21 and 22, the Building Authority may disregard any floor space that he is satisfied is constructed or intended to be used solely for parking motor vehicles, loading or unloading of motor vehicles, or for refuse storage chambers, refuse storage and material recovery chambers, material recovery chambers, refuse storage and material recovery rooms, refuse chutes, refuse hopper rooms and other types of facilities provided to facilitate the separation of refuse to the satisfaction of the Building Authority, or for access facilities for telecommunications and broadcasting services, or occupied solely by machinery or equipment for any lift, air-conditioning or heating system or any similar service.

[3] and defined at Joint Practice Notes on protection and improvement of the built and natural environment no.

[4][5] Since such facilities granted extra floor area to develop and usually included in the GFA/ selling area the developer sold to end-user, which made end-user confused, government planned to abolish the exclusion of green features and use alternative way to encourage green features.

The gross floor area is the total area of the covered floor space measured between the centre line of party walls, including the thickness of external walls but excluding voids.

3.2 URA reserves the right to decide on GFA matters based on the specific design of a development proposal on a case-by-case basis.

[7] Gross leasable area (GLA) is the amount of floor space available to be rented in a commercial property.