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  4. Gross Floor Area Handbook
  5. Gross Floor Area
  6. Ledges

Gross Floor Area

Ledges

Air-conditioner (A/C) ledges not exceeding 1.0m in width, as measured perpendicularly from the external wall are excluded from GFA. For AC ledges exceeding 1.0m in width, the entire ledge is included as GFA.

 

Air-Conditioner Ledges 

Firemen’s ledges are excluded from GFA if they comply with the following requirements:

  • Does not exceed 1.0m in width for non-residential developments and 1.4m in width for residential developments;

  • No railing or parapet wall; and

  • Located at the external façade.

For firemen’s ledge exceeding 1.0m in width for non-residential developments and 1.4m in width for residential developments, the additional area is included as GFA.

Reinforced Concrete (RC) ledges meant for sun-shading purposes are excluded from GFA if they comply with the following requirements:

  • Does not exceed 2.0m in width;

  • No railing or parapet wall; and

  • Located at the external façade.

For RC ledges exceeding 2.0m in width, the area to be excluded from GFA is only up to 2.0m in width.

Last updated on 5 Oct 2020

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