Carpet area, Built up area for beginners


Many flat purchasers are having doubts about area of the flat they are going to purchase. In order to help them, the following details are given:

Definitions:

Carpet area: As name suggests, it is the area where we can put carpet literally. So it is the area which we use on daily basis. If usable terrace( private terrace) is there within the flat, then the area of terrace is calculated and 50% of it is added to carpet area.

Built up area: ( (BUA) In addition to carpet area, we have to add up area of walls and ducts. Normally it is 10% more than the carpet area. This is also called plinth area and it includes external wall/internal wall within the rooms also.

Super-Built up area: (SBUA) This is actually saleable area which every builder quotes. It includes built up area plus common space area like stair cases, gymnasium, security room, motor room, walkways, lifts, terrace of the building etc. Usually it is normally 15% more than built up area.

In order to understand the concepts of all the above, one simple illustration is given below:

Room                      Dimension      Carpet area in sqft

Living room              10  x  15        150

Master Bedroom       12  x  15         180

Bedroom -2               10  x  12         120

Dining room                8  x  10           80

Kitchen                      12  x  10         120

Toilet -1                       8  x   5            40

Toilet -2                      10 x   7            70

Private Terrace       10  x  6           30 (within the flat premises)

Passages within flat 10  x  5          50

Since terraces are  considered within carpet area by halving their actual area( 50% of 60 sqft). In this case, it is 30 sqft. So the total carpet area of  840 sqft. The builder may quote nearly 1050 sqft as saleable area to purchaser which includes carpet area plus walls plus common areas for the said flat which are allowed to be freely used by them. This does not include car parking for which separate rate is calculated and charged. Thus the thumb rule is to take 1.25 as the multiplying factor to calculate super built up area or saleable area. But this 1.25 differs from project to project based on common amenities.

Apart from this, there will be several extra charges like electricity backup charges, parking charges, maintenance charges for amenities, security charges etc. So we need to consider and compare all of these charges before thinking of choosing the right project to buy a property. We should give a hard thought to how many of the amenities we are actually going to use, and how much we are going to get charged for them. Whether it will be good thing to buy into a no-frills project and join a gymkhana club rather than paying maintenance charges for the swimming pool which we are not going to use. Also nowadays there is not much co-operation among the flat residents and hence lot of problems is faced in running common amenities which becomes dud in the long run and useless.

So when you go in for purchase of flats, just check up the carpet area and other things among various alternatives including importance of locality, floor number and travel facilities before deciding on any single flat. It is better to go in for first or second floor rather than ground and other floors as lot of problems are coming in times of crisis.

In this connection, we should know about FSI also. FSI means Floor Space index. This is the ratio between total plot area to the total built up area of the building. Every flat owner is having the right in the plot area and it is apportioned based on super-built up area or built up area as per the agreement.

Before purchasing the flat,

  1. Check up whether the builder has the right to put up structure over the land as the owner or contractor. If so, check the title of land ownership with the help of good advocate.
  2. Also we should check whether the builder is building without any violation and the construction of our flat is as per plan given to us.
  3. Check whether the total floors are as per the building map.
  4. We should ensure that the floor we are buying is approved one as nowadays many flats are sold without any approval and the purchasers faces the problem of demolition.
  5. We should also check the reputation of builder and also we should obtain that NOC for urban land ceiling is obtained by the builder.
  6. Obtain the electrical and water pipelines maps from the builder which will be helpful in getting help for any major repairs or alteration.

C. R. Venkata Ramani

(AICWA)

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21 thoughts on “Carpet area, Built up area for beginners

  1. what is floor space index and how we will calculate the build up area and floor space index……..

  2. I booked a 3 BHK FLAT,builder declared 1089 Sq.ft. as plinth area and he included 17.9% extra for total build up area.But measured carpet area is 820 Sq.ft. only.
    Advice me how to solve this problem?Is any legal action possible against builder?

  3. I have aquestion. Is there a way to fight against the builder if he gives the carpet area which is less than the carpet area shown his own brochure and says that there was a printing mistake in his brochure. actually there is a difference of 40 sqftn

    1. please consult a lawyer to file a case under consumer protection council seeing compensation .You will succeed and get back the excess money paid with interest for the space which builder has not given.

  4. i read upper quots . and i come to know carpet area + including walls its become built up area so we have to charge on 1050 right ?

    1. Dear madam,

      If you are a builder, you have to charge your customers on super built up area which includes built up area and common area and other facilities in common area for residents. you can see these in my article.

      venkat

      1. hello sir,
        last year i started booking of our upcoming project on 3000 ,that time we already booked 3 flats but then its delay for c.c so we stop booking.last week i get c.c and now rate is hike on 3500 per sqft.my confusion is that i should take more charge from 3 clients who booked in 3000 .i have to take charge current rate ?

        1. Dear Nisha,

          I think that it is better to have one person as your partner who knows about real estate business. In the said case, if you have entered into agreement for Rs.3000 , then you cannot demand additional money. If there is no agreement and payment is without any commitment from your side, then you can demand additional money.

          venkat

          1. THANKS,for ans.
            we have already partner but when i confused i take advice from others.some times its helps me.if you disturbs from me i stop taking advice from you.

      1. hello i am new in construction line ,will you guide me that i should take charge on built up area or carpet area and how i calculate that.and what is loading ?please meantion about loading words are useing in our business.
        Thanking you Nisha.

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