Gross External Area Drawing

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.