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

Gross Floor Area

Floors

If the height of the roof measured from the springing line to the ridge is equal to or greater than 1.5m, the floor under the roof is included as GFA.

 

Floor under a Pitch Roof

If the height of the raised platform measured from the floor to the underside of the raised platform is greater than 1.5m, the area under such raised platform is included as GFA.

 

Floor under a Raised Platform (Section)

Intermediate load-bearing floors are included as GFA.

Intermediate Load-bearing Floors

Covered perforated floors are included as GFA regardless of the type of material used for the floor.

Covered Perforated Floors

Last updated on 26 Jul 2023

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