Net Internal Floor Area Meaning

The net floor area nfa of the private units in a residential condo building is typically 60 of the gross floor area gfa.

Net internal floor area meaning.

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. Any built in units or cupboards occupying useable areas subject to height exclusion below. 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. Define net floor area.

The whole floor net lettable area is calculated by. Net internal area covers all of those areas that can be used for a particular purpose. Net internal area nia is broadly 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 into account. The net floor area of a building or portion thereof not provided with surrounding exterior walls shall be the clear floor space under the horizontal pro jection of the roof or floor above.

The agency hopes to be able to complete the substantial work. Perimeter skirting moulding or trunking. The nfa of common property in our building is 40 of the gfa. Gross internal area gia the floor area contained within the building measured to the internal face of the external walls.

For accurate benchmarking purposes nfa must be calculated using a consistent methodology. Means the clear floor space exclusive of fixed or built in cabinets or appliances included with the surrounding exterior walls or a building or portion thereof. Gross internal area gia or gross internal floor area. Taking measurements from the internal finished surfaces of permanent internal walls and the internal finished surfaces of dominant portions of the permanent outer building walls.

Gross external area and gross internal area areas with a headroom of less than 1 5m are excluded rather than included. 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. Net internal area is used for the measurement of industrial and warehouse buildings in some parts of the country.