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Due to the sheer number of construction and development projects being carried out simultaneously, often the deciding factor for the question “Which project is better?” is dependent on whether these projects meet Chennai Metropolitan Development Authority (CMDA) guidelines. Though the CMDA guidelines for developmental projects are quite extensive, let us look into one of the most important highlights that buildings should meet in order to receive CMDA approval.

The rules laid down by the CMDA divide buildings into three types, ordinary buildings, special buildings and multi-storeyed buildings. This classification is based on the height of the buildings, number of households in a plot and extent of commercial activity. The ‘ordinary’ buildings are the buildings that do not exceed a height of 9 m (30’) in height. These are generally low ground plus one-storeyed building. The ‘special buildings’ cannot exceed a height of 15 m (50’). These are generally residential or commercial buildings with more than two floors but not more than 4 floors. The ‘special buildings’ are, as the name suggests, a special type of multi-storeyed buildings. These consist of residential buildings with more than four dwelling units and commercial buildings exceeding 300 meter square (3228 sq. ft.) of plinth area.  When it comes to these buildings, the height of 15 m matters more than the use to which they are put, be it residential or commercial.

However, most of the buildings, nowadays, fall under the ‘special category’ section and hence, this is the topic we will take forward here.

The Floor Space Index (FSI), also known as Floor Area Ratio (FAR), Floor Space Ratio (FSR) and Plot Ratio, is the index by which the total constructible area can be calculated.  This index is used by the authorities to control the density of development.

Constructible area = Land Area * FSI Index

The FSI for ordinary and special buildings (residential and commercial) is 1.5. This means that the plinth area should not exceed 1.5 times the area of the plot where construction is being projected. If the area of the plot where the construction is proposed is 9600 sq.ft, with a 1.5 FSI, the total plinth area is 14,400 sq.ft. However, there are a few exemptions to the this calculation like parking area, electrical transformer room, garbage area, caretaker's room, etc., provided the plinth area of such service areas does not exceed 10% of the total plinth area. Staircase headroom and the lift machine room in the topmost floor are also excluded from this calculation.

FSI can be availed on all plots that abut on a road that has a minimum width of 30 feet. The premium FSI for plots that meet roads that have a width of 30 feet or more and lesser than 40 feet is 20% of the normal FSI. The buildings on plots that abut roads that have a width more than 40 feet and lesser than 60 feet, have a premium FSI of 30% and the plots that abut a road with a width of 60 feet or more have a premium  FSI of 40%. However, premium FSIs are allowed for specific regions only and are also accompanied by additional premium fees.

 To find out more about Floor Space Index (FSI) in Chennai, visit "Floor Space Index"

Comments   

0 #71 Krishna 2015-06-14 16:23
Hi Swaminathan,

I have responded to your query in the following link:

http://www.indiarealestateforums.com/forum/chennai/2034-sale-of-car-parking-by-builder-rules#6477

Please feel free to post any further queries or comments in the above mentioned link so that I can get back to you on a quick note.

Thanks and regards
Krish
Quote
0 #70 Swaminathan 2015-06-10 19:38
Dear Sir
I stay in chennai and bought a flat in chennai.
As per the Supreme Court judgement a builder cannot sell or charge extra for the parking space provided to the flat buyers. I am referring to the Central Mumbai District Consumer Disputes Redressal Forum’s judgement, which directed Tata Housing Development Company to refund the car parking charges collected by them as

"Car parking area is the common area of the society. Therefore, the opponent (the developer) had no right to charge any amount for the sale or use of the parking space."

Where as builder has choosen to sell the car parking slots and collected 4.oo lacs from my me vide receipt no 124031 dt 11.01.2012 illegally. Despite of having collected the money in the year 2012, even after the lapse of the three years the car parking has not been handed over to me till today.. can I claim refund, failing which can I approach the consumer court for a remedy. Pl advise.
Quote
0 #69 Krishna 2015-06-09 10:59
Hi Anand,

I have responded to your query in the following link:

http://www.indiarealestateforums.com/forum/chennai/2364-minimum-plot-size-for-building-approval#6442

Please feel free to post any further queries or comments in the above mentioned link so that I can get back to you on a quick note.

Thanks and regards
Krish
Quote
0 #68 anand2 2015-06-06 18:42
Dear Sir, is it possible to get plan approval for a land area of 680 sqft at madipakkam.we are gong for loan.and so what are the things to be done to proceed further...
Regards
Anand
Quote
-1 #67 Vijay Viswanathan 2015-06-03 07:44
Hi Sridhar,

I have responded to your query in the following link:

http://www.indiarealestateforums.com/forum/chennai/2271-premium-fsi-in-chennai#6393

Please feel free to post any further queries or comments in the above mentioned link so that I can get back to you on a quick note.

Regards,
Vijay
Quote
-1 #66 C.T.SRIDHAR 2015-06-02 14:56
Sir,

In my apartments we have a land of 8700 Square feet and constructed area is about 15000 sq. feet. Since the building is more than 32 years old, now we want to go in for joint venture, demolish the existing one and built a new one. What is the FSI with premium is allowed. The Width of Road is 30 Feet and Our apartment is at Motilal street, T.Nagar, Chennai 600017.
Quote
0 #65 Vijay Viswanathan 2015-06-02 14:33
Hi Sundaresan

I have responded to your query in the following link:

http://www.indiarealestateforums.com/forum/chennai/1858-can-a-house-be-extended-uds-unused/6384

Please feel free to post any further queries or comments in the above mentioned link so that I can get back to you on a quick note.

Regards,
Vijay
Quote
0 #64 sundaresan 2015-06-02 13:31
sir,
i have an independant house in Adyar area.with ground and 1st floor containing 800 sq.ft each constructed 40 yrs back with duly sanctioned plan occupied by brothers..Now we want to make an extension by constructing one room of 100 sq.ft each (in ground & 1st floor).Whether sanction for the extension is required.please send your opinion.
Regards
sundaresan
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0 #63 Vijay Viswanathan 2015-04-24 11:50
Hi Basbas,

I have responded to your query in the following link:

http://www.indiarealestateforums.com/forum/chennai/1563-cmda-approved-plot-allowed-number-of-floors#5868

Please feel free to post any further queries or comments in the above mentioned link so that I can get back to you on a quick note.

Regards,
Vijay
Quote
+1 #62 Vijay Viswanathan 2015-04-24 11:24
Hi Arvindh,

I have responded to your query in the following link:

http://www.indiarealestateforums.com/news-feed-blogs/20-chennai/125-cmda-fsi-rules-in-chennai#comment-2486

Please feel free to post any further queries or comments in the above mentioned link so that I can get back to you on a quick note.

Regards,
Vijay
Quote

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