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Last updated on October 7th, 2024 at 02:20 am
In the field of real estate development & real estate redevelopment process, a lot of confusion prevails among the common man regarding carpet area vs built-up area.
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Besides the already existing confusion, the calculations shown by the Project Management Consultants create further confusion, making the common man go haywire.
Moreover, any omissions, errors, and mistakes in these calculations always carry financial implications/losses.
With regard to all this, to make things easier for the common man to properly understand everything.
We are going to understand all this by way of a few calculations & examples herein below.
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Mystery Unravelled Carpet Area Vs BUA
While Understanding all this we will first understand the composition of the Carpet Area, BUA.
Thereafter we will understand the projected calculations are shown/put up by the Project Management Consultants (PMC), and then the Actual – Original Calculations.
Carpet Area – Real Estate Development / Real Estate Redevelopment
Carpet Area is the floor area inside your house where it is possible to lay a carpet upon or that floor area of your house which can be covered by way of laying a carpet upon it.
This Area does not include the area covered/used/under internal walls, columns/beams, or external walls of your house.
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BUA – Real Estate Development / Real Estate Redevelopment
BUA Includes the Carpet Area, along with the area covered/used/under internal walls, columns/beams, and external walls of your house.
Assuming that a house is located on a plot of More than Two Acres of Land. Due to the Area of Land being more than One Acre the Redevelopment falls under the Cluster Redevelopment Scheme (CRS) being Provision 33(9) of Development Control & Promotion Regulation 2034 also referred to as DCPR 2034.
[Also Read: Resolving The RERA Carpet Area & MOFA Carpet Area Confusion Now]
Provision 33(9) of DCPR 2034 provides the Cluster Development Scheme (CDS) regulations.
Provision 33(9) of DCPR 2034 provides the regulations for the Cluster Development Scheme (CDS) and stipulates that an FSI of 4 shall be available for redevelopment vide 33(9) if the land/ plot area is above 4000 sq. m. in the original main city of Mumbai & above 6000 sq m. in the Suburbs & Extended of Mumbai City.
As per the said provision, a Fungible FSI/Area of 35% and an additional 20% Incentive Area/FSI shall be provided to the Developer undertaking the Cluster Redevelopment Scheme.
Here it is important to note that all the Planning Authorities including Municipal Corporations etc. sanction Area in the form of BUA Only.
In the above-mentioned case, to make it easier for a layman to understand, let’s assume that the carpet area of the above house located on the above-said plot of land is 100 sq. ft.
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Calculation Examples
Example – I
PMC Calculation
100 sq. ft. Carpet Area
- 20 (20%) = 120 sq. ft BUA
120 B/U Area + 42 sq. ft. (35% Fungible Area On 120 sq. ft. B/U Area) + 24 sq. ft. (20% Incentive Area On 120 sq. ft. B/U Area) = 186 sq. ft
Example – II
PMC Calculation First Variation
100 sq. ft. Carpet Area
- 20 (20%) = 120 sq. ft BUA
120 sq. ft. B/U Area + 42 sq. ft. (35% Fungible Area) = 162 sq. ft.
162 sq. ft + 32.4 sq. ft. (20% Incentive Area) = 200.88 sq. ft = 194.4 sq. ft. = 194 sq.ft.
Example – III
PMC Calculation Second Variation
100 sq. ft. Carpet Area
- 20 (20%) = 120 sq. ft BUA
120 sq. ft. B/U Area + 24 sq. ft. (20% Incentive Area Area) = 144 sq ft.
144 sq. ft + 50.4 sq. ft. (35% Fungible Area) = 194.4 sq. ft = 194 sq. ft.
The Secret of Original Calculation
Original Calculation / Correct Calculation
100 sq. ft. Carpet Area
- 25 (25%) = 125 sq. ft BUA
125 B/U Area + 43.75 (35% Fungible Area On 125 sq. ft. B/U Area) + 25 (20% Incentive Area On 125 sq. ft. B/U Area) = 193.75 sq. ft = 194 sq. ft.
Busting The Myth Created By Project Management Consultants – Carpet Area Vs BUA
You will realize that the original calculations are correct when you calculate in the reverse direction to get your Carpet Area from your BUA
PMC’s Calculation Formula
This means that when you use the yardstick/parameter of deducting the BUA of 120 sq. ft. by 15% (5% less than the earlier used 20%) then you will note that you do not get back your Original Carpet Area of 100 sq. ft. as is normally projected by Project Management Consultants (PMC).
Original Calculation Formula Carpet Area Vs BUA
Whereas if you go by the Original Calculation Method and use the original yardstick/parameter of deducting the BUA of 125 sq. ft. by 20% (5% less than the earlier used 25%) then you will get/ reach your Original Carpet Area of 100 sq. ft.
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Conclusion
After going through, analyzing, and understanding the calculations given in the above examples, it will be possible for every layman to calculate the Carpet Area Vs BUA in the Real Estate Development & Redevelopment Process and thereby prevent any financial implications/losses due to any omission, error, and mistake in these calculations.
Frequently Asked Questions on Carpet Area, BUA, Real Estate Development, & Real Estate Redevelopment Answered Here:
What is Carpet Area?
Carpet area is a crucial measurement in real estate, that accurately reflects the usable floor space within a property. Excluding the thickness of walls, it provides a realistic estimate of the living or working area available.
Unlike built-up area, which includes the wall thickness, and the super built-up area, which encompasses common spaces, amenities, and shared facilities, carpet area focuses solely on the interior space. This measurement is often used for pricing real estate and is frequently a legal requirement in many countries.
Understanding the difference between these area measurements is essential when buying a property. Carpet area offers a clear picture of the actual usable space, enabling informed decision-making.
What is Built Up Area?
Built-up Area: A Comprehensive Guide
Built-up area (BUA), a key measurement in real estate, accurately reflects the total floor space within a property, including the thickness of walls. Unlike carpet area, which excludes wall thickness, BUA offers a more comprehensive view of the property’s overall size.
This measurement is frequently used for pricing real estate and may be a legal requirement in some countries. Understanding the actual difference between BUA and all other area measurements, such as carpet area and super built-up area, is essential when buying a property. BUA provides a clear picture of the property’s size, thereby enabling informed decision-making.
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