How is Nia calculated?

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. Partition walls and other dividing elements.

What is Nia planning?

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 into account. INCLUDES. Perimeter skirting, moulding, or trunking.

What should be included in NIA?

NIA will include:

perimeter skirting, moulding, or trunking.
kitchens.
any built in units or cupboards occupying useable areas (subject to height exclusion below)
partition walls or similar dividing elements.
open circulation areas and entrance halls, corridors and atria.

What’s the difference between NIA and Gia?

Gross internal area (GIA) is the area taken to the inside face of the external walls of a building. So it includes the area of the internal walls. Net internal area (NIA) is the area taken to the inside face of the external walls of a building but excluding the area of internal walls and other non-usable spaces.

Are toilets included in NIA?

NIA will exclude: Toilets and associated lobbies. Cleaners’ cupboards. Lift rooms, boiler rooms, tank rooms, fuel stores and plant rooms other than those of a trade process nature. Stairwells, lift wells, those parts of entrance halls, atria, landings and balconies used in common or for the purpose of essential access.

What is Nia net internal area?

Net Internal Area (NIA) NIA is the usable area within a building measured to the internal face of the perimeter walls at each floor level. NIA covers all areas which are used for a specific purpose.

Are Toilets included in NIA?

Is balcony included in gross floor area?

Gross Floor Area. The sum of the floor areas of all the spaces within the building, with no exclusions. the following spaces are considered outside the building and are not part of GFA: Balconies.

How do I find the internal area of my house?

Measure the length and width, in feet, of each room. Multiply the length by the width and write the total square footage of each room in the corresponding space on the home sketch. Example: If a bedroom is 12 feet by 20 feet, the total square footage is 240 square feet (12 x 20 = 240).

Are columns included in NIA?

Internal structural walls, walls (whether structural or not) enclosing excluded areas, columns, piers, chimney breasts, other projections, vertical ducts etc.

What is Nua area?

Net Useable Area (NUA) or Room Area Basis This method involves the measurement of the internal room area less the width of internal walls and partitions.

What are not included in floor area?

Floor area does not include:

Stairways and stairwells;
Elevators, elevator equipment rooms, and elevator shafts;
Ramps to a subterranean or semi-subterranean parking structure or ramps between floors of a parking structure provided the ramp does not accommodate parking;

What is net internal area NIA in construction?

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

Do partition walls need to be included in Nia?

With one exception partition walls (and any other non-structural elements used to divide accommodation) should be ignored for the purposes of measurement. However, the space on which they stand and any small or awkward areas created (eg corridor) should be included in the NIA.

What does Nia stand for?

What will be included in the new Nia?

NIA will include: perimeter skirting, moulding, or trunking. kitchens. any built in units or cupboards occupying useable areas (subject to height exclusion below) partition walls or similar dividing elements.