Gross External Area Drawing

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A scaled drawing, detailing the area measured externally at each floor level

Suitability

Town planning
Rating and council tax
Building cost estimation

Output

Digital PDF print

GEA Exclusions

External open-sided balconies, covered ways and fire escapes.
Canopies.
Open vehicle parking areas, roof terraces, and the like.
Voids over or under structural, raked or stepped floors.
Greenhouses, garden stores, fuel stores, and the like in residential properties.

GEA Inclusions

Perimeter wall thickness and external projections.
Areas occupied by internal walls and partitions.
Columns, piers, chimney breasts, stairwells, lift-wells, and the like.
Atria and entrance halls, with clear height above, measured at base level only.
Internal balconies.
Structural, raked or stepped floors are to be treated as a level floor measured horizontally.
Horizontal floors, whether accessible or not, below structural, raked or stepped floors.
Mezzanine areas intended for use with permanent access.
Lift rooms, plant rooms, fuel stores, tank rooms which are housed in a covered structure of a permanent nature, whether or not above the main roof level.
Outbuildings which share at least one wall with the main building.
Loading bays.
Areas with a headroom of less than 1.5m.
Pavement vaults.
Garages.
Conservatories.