Net Internal Floor Area

For accurate benchmarking purposes nfa must be calculated using a consistent methodology.

Net internal floor area.

22nd mar 2018 reference. Gross external area and gross internal area areas with a headroom of less than 1 5m are excluded rather than included. Net internal area nia is the useable area within a building measured to the internal face of the perimeter walls at each floor level. The net internal area nia of a building is the usable area measured to the internal finish of the perimeter or party walls ignoring skirting boards at each floor level.

In general terms this is the total area enclosed by the external walls of a building measured to the internal face of those walls and taking into account every floor in the building. Net internal area nia. The nfa of common property in our building is 40 of the gfa. Gross internal floor area gifa or gross internal area gia created.

Net internal area nia broadly speaking the usable area within a building measured to the face of the internal finish of perimeter or party walls ignoring skirting boards and taking each floor. Areas are the foundation of a development appraisal and using the wrong area can cause significant changes in the profitability of a scheme. The agency hopes to be able to complete the substantial work. It is very important when describing the area of a building to be clear about which measure is being used for example in planning applications building regulation applications property sales lease negotiations rating valuations and so on.

The net floor area nfa of the private units in a residential condo building is typically 60 of the gross floor area gfa. Floor areas in property development can often cause a fair bit of confusion when do you use gross internal area when does the net apply and what about gross external area. Offices and shops are. The floor area within the inside perimeter of the exterior walls of the building under consideration exclusive of vent shafts and courts without deduction for corridors stairways closets the.

Net internal area covers all of those areas that can be used for a particular purpose.