Measurement (COMP) Flashcards
What is NIA?
Net Internal Area is the useable area of the property measured to the internal perimeter wall.
What features are not included in NIA?
Items such as stairwells, lift lobbies, toilets, shared entrance halls and atria, service cupboards, internal structural walls, chimney breasts and pillars and areas of headroom less than 1.5m.
Where does this deviate from NIA for DRRs purposes, and what guidance would you follow for this?
- Some areas are included, e.g. pram stores, additional WCs for patients, shower rooms, Changing Places WCs, infection control cleaners cupboards.
- RICS Guidance Note Valuation of Medical Centre and Surgery Premises 2010.
What is GIA?
Gross internal area is the area of the building measured to the internal face of the perimeter wall.
What features are not included in GIA?
Perimeter wall thickness, canopies, external open sided balconies, covered ways and fire escapes. For rating purposes areas under 1.5m in height are excluded.
What is GEA and what do you exclude?
Gross External Area is the area of the building measured externally at each floor level. You exclude canopies, open sided balconies, open parking areas and greenhouses and garden stores in residential property.
What is clear height?
The height between the floor surface and the lowest part of the roof trusses, ceiling beams, roof beams, or haunches at the eaves.
What is eaves height?
The height between the floor surface and the underside of the roof covering, supporting purlins or underlining (whichever is the lower) at the eaves on the internal wall face.
