Gross Square Meter or Gross Square Foot
Total enclosed space from exterior surface of facades.
This includes external walls, areas occupied by internal walls (whether structural or not) and partitions, columns, piers, chimney breasts, stairwells, lift wells etc.
Applied to multiple places in the financial model for example:
All buildings - All Parcels
Per commercial use type - Parcel 1
Per residential use type - All Parcels
Other Equivalent Terms
Gross Floor Area (GFA)
Gross External Area (GEA)