Net internal area NIA - Revision history

Designing Buildings at 07:52, 13 January 2023

2023-01-13T07:52:25Z

← Older revision		Revision as of 07:52, 13 January 2023
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−	[[File:~~Tape measure~~.jpg]]	+	[[File:Measurement-gafbb49133 1280.jpg]]

	= How is the area of a building measured? =		= How is the area of a building measured? =

Designing Buildings at 07:50, 13 January 2023

2023-01-13T07:50:44Z

← Older revision		Revision as of 07:50, 13 January 2023
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		+	[[File:Tape measure.jpg]]
		+
		+	= How is the area of a building measured? =
		+
	The area of a building can be measured in a number of different ways:		The area of a building can be measured in a number of different ways:

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	* Gross internal area (GIA).		* Gross internal area (GIA).
	* Net internal area (NIA).		* Net internal area (NIA).
		+	* Total useful floor area (TUFA).
		+	* Usable floor area.

	It is very important when describing the area of a building to be clear about which measure is being used, for example in property sales, planning applications, building regulations applications, lease negotiations, rating valuations, and so on.		It is very important when describing the area of a building to be clear about which measure is being used, for example in property sales, planning applications, building regulations applications, lease negotiations, rating valuations, and so on.

−	~~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.	+	= What is the net internal area of a building? =

−	The UK government’s Valuation Office Agency (VOA) [https://www.gov.uk/government/publications/measuring-practice-for-voa-property-valuations/code-of-measuring-practice-definitions-for-rating-purposes Code of measuring practice: definitions for rating purposes] suggests that Net Internal Area includes:	+	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 includes all areas that can be used for a particular purpose. The UK government’s Valuation Office Agency (VOA) [https://www.gov.uk/government/publications/measuring-practice-for-voa-property-valuations/code-of-measuring-practice-definitions-for-rating-purposes Code of measuring practice: definitions for rating purposes] suggests that Net Internal Area includes:

	* Kitchens.		* Kitchens.
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	* Areas under the control of service or other external authorities.		* Areas under the control of service or other external authorities.

−	~~It suggests that, 'essential~~ access~~' '...will~~ not include reception areas or areas capable of use and situated within entrance halls, atria and landings etc.'	+	NB Essential access does not include reception areas or areas capable of use and situated within entrance halls, atria and landings etc.

−	In relation to the term 'permanent essential nature' it suggests that, 'apart from areas used in common with other occupiers, corridors excluded from NIA are those of a permanent essential nature, i.e. internal corridors between structural walls (usually found in older buildings). Fire corridors and smoke lobbies which are defined by non-structural walls - but only where they are permanent and essential to any prospective tenant of the property and do not merely serve the needs of the actual occupier. If the latter, they should be included.'	+	In relation to the term 'permanent essential nature' the code of measuring practice suggests that, 'apart from areas used in common with other occupiers, corridors excluded from NIA are those of a permanent essential nature, i.e. internal corridors between structural walls (usually found in older buildings). Fire corridors and smoke lobbies which are defined by non-structural walls - but only where they are permanent and essential to any prospective tenant of the property and do not merely serve the needs of the actual occupier. If the latter, they should be included.'

−	RICS Guidance Note, A guide for Property Professionals, 6th Edition Code of measuring practice 2007, is in general agreement with the Valuation Office Agency definition, of net internal area.	+	The RICS Guidance Note, A guide for Property Professionals, 6th Edition Code of measuring practice 2007, is in general agreement with the Valuation Office Agency definition, of net internal area.

	= Related articles on Designing Buildings =		= Related articles on Designing Buildings =

Designing Buildings at 08:28, 4 January 2022

2022-01-04T08:28:43Z

← Older revision		Revision as of 08:28, 4 January 2022
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	RICS Guidance Note, A guide for Property Professionals, 6th Edition Code of measuring practice 2007, is in general agreement with the Valuation Office Agency definition, of net internal area.		RICS Guidance Note, A guide for Property Professionals, 6th Edition Code of measuring practice 2007, is in general agreement with the Valuation Office Agency definition, of net internal area.

−	= Related articles on Designing Buildings ~~Wiki~~ =	+	= Related articles on Designing Buildings =

	* Area.		* Area.
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	* Rating valuation.		* Rating valuation.
	* Site area.		* Site area.
		+	* Size.
	* Space.		* Space.
	* Total useful floor area.		* Total useful floor area.

	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Standard]] [[Category:Standards_/_measurements]]		[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Standard]] [[Category:Standards_/_measurements]]

Designing Buildings at 05:14, 31 August 2020

2020-08-31T05:14:02Z

← Older revision		Revision as of 05:14, 31 August 2020
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	* Total useful floor area.		* Total useful floor area.

−	[[Category:~~Standards_/_measurements~~]] [[Category:DCN_Standard]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Standard]] [[Category:Standards_/_measurements]]

Designing Buildings at 13:56, 30 January 2019

2019-01-30T13:56:48Z

← Older revision		Revision as of 13:56, 30 January 2019
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	* Gross external area.		* Gross external area.
	* Gross internal area.		* Gross internal area.
		+	* Gross site area.
	* International Property Measurement Standards.		* International Property Measurement Standards.
	* Measurement.		* Measurement.
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	* Total useful floor area.		* Total useful floor area.

−	[[Category:Standards_/_measurements]]	+	[[Category:Standards_/_measurements]] [[Category:DCN_Standard]]

Designing Buildings at 13:40, 30 January 2019

2019-01-30T13:40:44Z

← Older revision		Revision as of 13:40, 30 January 2019
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	* Case notes for rating valuation.		* Case notes for rating valuation.
	* Floor area ratio.		* Floor area ratio.
		+	* Gross development area.
	* Gross external area.		* Gross external area.
	* Gross internal area.		* Gross internal area.

Editor at 11:54, 17 September 2018

2018-09-17T11:54:16Z

← Older revision		Revision as of 11:54, 17 September 2018
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	* Net internal area (NIA).		* Net internal area (NIA).

−	It is very important when describing the area of a building to be clear about which measure is being used, for example in property sales, planning applications, building regulations applications, lease negotiations, rating valuations and so on.	+	It is very important when describing the area of a building to be clear about which measure is being used, for example in property sales, planning applications, building regulations applications, lease negotiations, rating valuations, and so on.

	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.		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.
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	It suggests that, 'essential access' '...will not include reception areas or areas capable of use and situated within entrance halls, atria and landings etc.'		It suggests that, 'essential access' '...will not include reception areas or areas capable of use and situated within entrance halls, atria and landings etc.'

−	In relation to the term 'permanent essential nature' it suggests that, '~~Apart~~ from areas used in common with other occupiers, corridors excluded from NIA are those of a permanent essential nature, ie internal corridors between structural walls (usually found in older buildings). Fire corridors and smoke lobbies which are defined by non-structural walls - but only where they are permanent and essential to any prospective tenant of the property and do not merely serve the needs of the actual occupier. If the latter, they should be included.'	+	In relation to the term 'permanent essential nature' it suggests that, 'apart from areas used in common with other occupiers, corridors excluded from NIA are those of a permanent essential nature, i.e. internal corridors between structural walls (usually found in older buildings). Fire corridors and smoke lobbies which are defined by non-structural walls - but only where they are permanent and essential to any prospective tenant of the property and do not merely serve the needs of the actual occupier. If the latter, they should be included.'

	RICS Guidance Note, A guide for Property Professionals, 6th Edition Code of measuring practice 2007, is in general agreement with the Valuation Office Agency definition, of net internal area.		RICS Guidance Note, A guide for Property Professionals, 6th Edition Code of measuring practice 2007, is in general agreement with the Valuation Office Agency definition, of net internal area.

−	~~= Find out more =~~	+	= Related articles on Designing Buildings Wiki =
−		+
−	=== Related articles on Designing Buildings Wiki ===	+

		+	* Area.
	* Case notes for rating valuation.		* Case notes for rating valuation.
	* Floor area ratio.		* Floor area ratio.

Editor at 09:28, 7 September 2018

2018-09-07T09:28:50Z

← Older revision		Revision as of 09:28, 7 September 2018
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	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===

−	* Case notes for rating valuation ~~(Garton V Hunter)~~.	+	* Case notes for rating valuation.
	* Floor area ratio.		* Floor area ratio.
	* Gross external area.		* Gross external area.
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	* Rating valuation.		* Rating valuation.
	* Site area.		* Site area.
		+	* Space.
	* Total useful floor area.		* Total useful floor area.

	[[Category:Standards_/_measurements]]		[[Category:Standards_/_measurements]]

Designing Buildings at 05:33, 21 May 2018

2018-05-21T05:33:04Z

← Older revision		Revision as of 05:33, 21 May 2018
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	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===

−	* Beneficial occupation.
	* Case notes for rating valuation (Garton V Hunter).		* Case notes for rating valuation (Garton V Hunter).
−	* Choice of method for rating valuation.
−	* Contractor’s basis for rating valuation.
	* Floor area ratio.		* Floor area ratio.
	* Gross external area.		* Gross external area.
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	* Measurement.		* Measurement.
	* Measurement of existing buildings.		* Measurement of existing buildings.
−	* Profits method of rating valuation.
	* Rating valuation.		* Rating valuation.
−	* ~~Rental method of rating valuation.~~	+	* Site area.
−	* Statutory formulae for rating valuation.	+
	* Total useful floor area.		* Total useful floor area.

	[[Category:Standards_/_measurements]]		[[Category:Standards_/_measurements]]

Editor at 17:50, 20 February 2017

2017-02-20T17:50:12Z

← Older revision		Revision as of 17:50, 20 February 2017
Line 53:		Line 53:
	* International Property Measurement Standards.		* International Property Measurement Standards.
	* Measurement.		* Measurement.
		+	* Measurement of existing buildings.
	* Profits method of rating valuation.		* Profits method of rating valuation.
	* Rating valuation.		* Rating valuation.