Super built up area & carpet area - What, Why and How!

Published: April 10, 2009

The terms built up area, super built up area, salable area and carpet area pop up again and again for an Indian real estate buyer. The apartment that is sold as a spacious 1500 sqft apartment, is actually not 1500 sqft if you count its actual covered area, or carpet area.

Definitions -

1. Carpet area - The actual area you use. The area on which ‘you can put a carpet’.

2. Built up area - Carpet area + area of walls and ducts. Around 10% more than the carpet area. A terrace is considered as half the actual area for calculating built up area. Some projects charge dry terrace same as internal rooms.

3. Super built up / Saleable area - Built up area + markup for common spaces like lifts and stairs. Usually 25% more than the built up area.

Let us take an example.
Here is the floor plan of one of the apartments at Kumar Periwinkle in Kharadi.

This is a small apartment whose saleable area, or super built up area is 892 sqft. Let us calculate its carpet area by summing up all its rooms -

Room Dimensions (ft & inch) Carpet area in sqft
Living Room 10′ x 15′-9″ 157.5
Dining Room 7′ x 7′-8″ 53.6
Bedroom 1 11′-9″ x 10′-9″ 126.3
Bedroom 2 11′-9″ x 10 117.5
Toilet 1 8′-6″ x 5 42.5
Toilet 2 8′-4″ x 4′-3″ 35.4
Terrace 10′ x 5′-9″ 57.5
Kitchen 11′ x 8′-6″ 93.5

Now terraces are generally considered by halving their actual area. So, carpet area considered of the terrace is 57.5/2 sqft = 28.75 sqft.

So, the total carpet area for the rooms of the flat comes to be approximately 655 sqft. Now there is a passage area at the center of the flat, which looks approximately 11 feet by 5 feet, which adds 55 sqft more to the carpet area.

So, approximate carpet area of the flat = 710 sqft.

Now, the saleable area as given on the website is 892 sqft. This is the area which is billed to you by multiplying it with the square foot rate.

This difference is what super built up area is all about. As far as I have seen, a thumb rule is to take 1.25 as the multiplying factor to calculate super built up area (i.e. saleable area).

So, if we multiply by this factor, 710 * 1.25 = 887.5 sqft is approximately the answer we are supposed to arrive at.

But this rule of 25% is no written rule, and this multiplier can vary. Ideally, this multiplier should be more for the schemes where more space is given to amenities and common areas. This area is supposed to include the common amenities that are built but are not directly charged to the customer. But there are no concrete formulas for this. The agreement that you will sign with the builder, should have all the details like carpet area in it. But you will probably see the agreement in detail only after you decide to buy your home there.

So are you getting cheated when you actually get a 700 sqft apartment when you thought you got 900 sqft? Not really…
The key is to ask for the carpet area of the property you are buying, and verify it by doing a calculation as given above, and also verify the dimensions actually on the ground if possible. As long as we have open market economy, you will always have choices. So, if you find that a project has a multiplying factor of 25% for super built up area and another has 30%, the simplest thing you can do, is get the carpet area of the actual rooms and find out the per sqft rate based on carpet area, to compare the two projects.

Apart from this, there are also several extra bills like electricity backup charges, parking charges, maintenance charges for amenities, society formation charges so on and so forth. So, you need to consider and compare all of these charges before thinking of choosing the right project to buy a property. Give a hard thought to how many of the amenities you are actually going to use, and how much you are getting charged for them. Will it be simply better to buy into a no-frills project and join a gymkhana club rathar than paying maintenance charges for the swimming pool you are not going to use?

Simply create an excel sheet and put all the parameters of the property in it, like carpet area, parking charges etc. Use that sheet as your basis of taking decision and not the glossy marketing brochures they give you!

Update: One of our blog reader, Jatin has created a sheet. Putting it here so that you have something concrete while making your purchase decision. If you have something like this, please send it to me. I will upload it so that everyone can benefit.

Property Buying Comparison Sheet

Update: TheMinistry of Housing and Urban Poverty Alleviation (MHUPA) has released the Model Real Estate Act that aims at bringing in order into the chaotic and less organised Real Estate Segment in India. The Act aims at creating regulation, transparency and accountability. You can visit the following post for the important key features of the Act.

Model Real Estate Act

Posted under categories: Buying Property, Indian Real Estate, Laws & Regulations
Tags: , , ,

About Zamanzar

Zamanzar Advisory Pvt. Ltd. is a real estate advisory firm located in New Delhi, India. We offer online property search tools and offline services to help complete the transaction. Our services cater to real estate buyers, renters, and sellers. Visit Zamanzar to find out more!

90 Comments so far

  1. Anup April 13, 2009 12:31 pm

    This information was really useful.

  2. vikas April 25, 2009 2:23 pm

    It is really good information for users. One must be aware about this before buying. Some time builder take advantage of user’s lack of knowledge about this.

  3. sushil April 26, 2009 10:56 pm

    This information is really useful and benificial.

  4. Shalin May 19, 2009 5:55 pm

    This is excellent information I have been able to find in the simplest terms. Thank you for this. Can i use it to copy on my blog as well ?

  5. Dibyendu June 8, 2009 12:35 pm

    This is really good information & basic guidance for us who get confused by the numerous frills & end up taking wrong decisions.

  6. jk June 14, 2009 12:04 am

    good & practical

  7. Smita June 17, 2009 4:29 pm

    Hi, Thanks for the information… it was very useful.
    I had a doubt regarding terrace / balcony calculation - are they to be charged half rate compared to rate charge for flat. Does it depends on area of terrace to be charged full or half?

  8. Sanjeev Kumar July 4, 2009 4:50 pm

    Very useful. Thanks a lot.

  9. Narayan July 11, 2009 4:09 pm

    Very useful info, with good example.

  10. sanath July 12, 2009 7:46 am

    very useful . thank u

  11. Jatin Jain July 21, 2009 11:24 am

    Excellent work Sir !! A good insight into real estate and handy to get started. I have created an excel sheet as per my understanding of above. I would like to share it with you just to make sure I have not missed out on anything.Please send me your email id.

  12. Deepak Suri August 13, 2009 4:46 pm

    Good & practical.

    But better, if someone can provide, government approved defination & caculations which builder must adhered to as per govt. rule.

  13. Gopal August 16, 2009 9:55 am

    Useful info - are there specific guidelines Govt has in this regard? But at least home-buyers can get to know clearly the legally acceptable limits for these areas.

  14. Karl August 20, 2009 11:16 am

    Good information, as a rule I always assume the super built up is 25% more, people shold avoid buildings with swimming pools

  15. admin August 20, 2009 11:23 am

    As far as I know, government doesn’t have any such rule. Any way it will be a state subject I think…so will differ everywhere.

  16. captain s chagla August 30, 2009 11:39 am

    your information is excellent & commendable
    thus u r really a good real estate.

    govt. ‘babu’ are under the thumb of mimisters & builders.

  17. Abhijit September 10, 2009 3:30 pm

    Good info. Need to give more detail and should give some tips on what to do if builder is cheating you.

  18. Samarth Karnekar October 2, 2009 3:49 pm

    Thanks for valuable information sir. Is this information also applicable for resale estate or is there another criteria?

  19. Navina October 7, 2009 11:10 am

    Nice info. Thanks very much.

  20. harish October 8, 2009 3:04 pm

    i read your detailes, it is very cleared and noany dout regarding puchase of home(flat/appar). any bedy is no full to us in puchase of house. we some question and he give the right and actual anser

    thanks for detailed calculation

  21. Kishore October 22, 2009 11:09 am

    This information has been very useful for me as most of my questions are answered.Unfortunately I knew this info only after booking my flat ..too late. Suggest others to use this before you booke your flat.

  22. sanajay 9212485110 October 22, 2009 5:53 pm

    can u suggest me lal dora land..?9212485110

  23. Nilesh panchal November 21, 2009 8:39 am

    i have took flat at aroli and builder has cheated by selling me room at 635 SQft and i got agreement stampduty and registration which mention area of 340 carpet +20SQft terrace

    please sujjest what to do ?

    i have already paid 25 % (4,44,500) and remaining i am about to take loan.

    waiting for your reply

  24. Ar. Santosh Kumar November 24, 2009 7:26 pm

    very nice info…

  25. bharat December 25, 2009 12:26 pm

    this is very useful for all users

  26. neal January 4, 2010 10:28 am

    Hi, Can you clarify if skirting area is included in carpet area.

    I was promised a carpet area of 726 sq ft in agreement but when I calculated my carpet area using precise measurements and a 3D software tool, i find that it has 46 Sq ft less area. My friend suggests that I have to count the skirting on the walls in the length and breadth as well? Please clarify. This is from Mumbai, Maharashtra.

    thanks, neal

  27. Kore SP January 9, 2010 6:28 pm

    What is legal defination of carpet area in India, and what the acts , provisions.

  28. Anand Sharma January 9, 2010 11:53 pm

    Thank you so much for posting such an informative article. It is just what I needed. Thank you!

  29. Rajesh January 18, 2010 12:36 am


    I have purchased flat of about 1340 SFT super built up area in Feb, 2008 in Hyderabad. Offlate I came to know that only 900 SFT is carpet area. I personally beleive it is a cheating by the builder. Is it according to rules of building regulations, moving to cousumer court would benefit me in anyway. Please let me know.

    Thank You very much.

    Rajesh B

  30. admin January 19, 2010 3:23 pm

    Kindly visit our website and from the homepage, post your requirement from the “Post requirement” section. Once we receive the request, our customer-service executives will get back to you within 1 business day.

  31. Harshad Gajjar January 23, 2010 4:22 pm

    Thanks for information. I have booked 1 flat at Surat & builder is deducting 40% of SBA & giving only 60% as carpet area. As per him he is considering all roads & open space also as SBA. Pl. advice how to handle such issue.

  32. Prof. Anjali Rajguru February 17, 2010 1:42 pm

    Which units are required to be deleted while calculating Built up area of a flat or an apartment

  33. Abhinav kumar Singh March 8, 2010 8:25 pm

    i am very thank ful to give this information. it is very useful to the customer for purchasing the flats and apartments. because builder always cheated the customer

  34. mahendra gohil March 13, 2010 8:43 pm

    pls.advise on legal carpet area there I.S.code?
    internal staircase area to be included in carpet area?(personal staircse from first floor)

  35. Nitesh patel May 12, 2010 12:04 pm

    we have 12600 sq.feet area ploat at mahesana in gujarat,so plz.tall me how many floors we buildup in this plot area

  36. Chintan June 3, 2010 5:09 pm

    hey .. if there is a column coming between a room .. so is the column counted in carpet area or it is deducted from it .. please let me know .. thnx ..

  37. subhankar June 17, 2010 11:10 am

    very usefulone

  38. Sanjeev June 17, 2010 12:47 pm

    Dear sir, Thanks for sharing this information.

    At the time of initial talk and giving token money to builder (when Building was under construction) he said I will get 77% of Area as Carpet Area that means 33% max would be loaded. But at the time of Registration I shocked to see that am only getting less than 50% Carpet area.

    Now the Registration is done.

    Can you plz suggest me what to do in this scenario.

    Thanks & Regards,


  39. sudha July 4, 2010 1:50 pm

    thanks very informative and attached excel sheet is very usefull

  40. samar October 2, 2010 7:20 pm

    let me know about real estate like rules and regulation, area calculation.

  41. sudhir October 21, 2010 11:35 am


  42. Vasant Jagtap November 23, 2010 1:41 pm

    Hi, Thanks for the information… it was very useful.
    I had a doubt regarding terrace / balcony/sit out calculation - are they to be charged half rate compared to rate charge for flat. Does it depend on project to project?

    Because my builder provide balcony (they mention sit out in agreement copy) attached to hall, but they charge me full as internal hall. Means total size 11 feet*4.6 feet=50.6 sq. ft. They charge me like 50.6*2800(Rate of per sq. ft) = Rs. 141680; actually need to charge half means only Rs. 70840. So now what can I do?
    I pay him 85% amount and reaming 15% I will pay during possession time. So can hold it?

    Please advise me for any legal or orally communication action against that; So he can deduct extra amount.

    I wait your valuable reply

    Vasant Jagtap

  43. shashant December 25, 2010 7:36 pm

    make clear about carpet area and built up area with proper defination so that it could help me in in the court

  44. Ullas January 2, 2011 12:55 am

    Very useful piece of information. Thank you .

  45. tapan mishra January 7, 2011 4:02 pm

    This info is really helpful. thanks a lot for your efforts to educate us :)

  46. abhi January 10, 2011 3:40 pm

    very useful piece of informatn….thanks

  47. Prakash Jena January 17, 2011 10:52 am

    let me know about real estate like rules and regulation, area definition & area calculation.

  48. Sagar January 17, 2011 10:55 am

    I had a doubt regarding terrace / balcony calculation - are they to be charged half rate compared to rate charge for flat. Does it depends on area of terrace to be charged full or half?

  49. balu March 1, 2011 7:58 pm

    please let me know how builder will caluculate built up are and common area

  50. Carpet March 14, 2011 9:15 pm

    You have definitely provided some very useful information. If you are looking to purchase flooring for your “carpet area” check out our site!


  51. Rohan March 27, 2011 10:32 am

    I want to know in bedroom colum area cover 6 sq.feet this colum area will calculete in the carpet area.
    Door area(36″x6″=1.5 sq.f)this 1.5 sq.f.area will calculete in the carpet area.

  52. Harinath April 22, 2011 8:39 pm

    Very good article and very usefull for the first time flat buyers.

    Thanks a lot

  53. srikanta sahu May 6, 2011 10:34 am

    it is very useful.

  54. Santhosh June 17, 2011 5:15 pm

    The article was of immense help to me.

  55. Divesh k June 26, 2011 10:48 am

    Really helpful article.. loved the details and clarity.. keep it up… :)

  56. Rajaraman July 11, 2011 9:05 pm

    Very informative. In fact I found out yesterday that builders’ websites contain outdated price per sq ft! And theer are very many add ons. SO the actual pric at delivery may come to about 75-80% of the price we see in the websites.

    Such articles are highly educative to the retail buyer. keep in up!

  57. Binit July 17, 2011 12:14 pm

    Thanks a lot of taking your time out and making billions of people aware of such facts.
    keep the good work going.

  58. Jatin Jain July 20, 2011 11:36 am

    I just calculated the salable area on the basis of dimensions mentioned in the floor plan of a builder assuming super built-up at 30%. An interesting observation was that the difference in the salable area was approx 300 sq ft from the area quoted by the builder.
    Another important observation is that the builder give a complete package cost which includes registration and stamp duty . These charges should not be applicable on the MSEB charges . Stamp and registration should be paid on the cost of flat+parking.

  59. Ranjan July 27, 2011 4:05 pm

    I have booked a flat and builder has not mentioned carpet area in Agreement although he has mentioned Build-up are and SBA in the same.

    SBA is 1135 and Build up are is 915

    Please suggest, I have not signed the agreement so far.

  60. rajesh July 29, 2011 4:06 pm

    nice information thank u….

  61. sanjay August 17, 2011 5:35 pm

    wow it’s usefull information for me now i’m understend perfect…..thanks about this information..

  62. Yaduvender August 24, 2011 5:28 pm

    These things really worked .

  63. Chandra Sekhar Pola August 29, 2011 5:02 am

    Nice Information.Thank you very much

  64. vadi September 1, 2011 4:24 pm

    good and useful info

  65. uday ahire September 5, 2011 3:39 pm

    very useful information.please tell me,after registration of flat which action taken on builder/developer was he refund difference of amount or which legal action takn on builder

  66. Nitin September 26, 2011 12:23 pm

    Dear Sir, i agree most of the things in your article, except one. The dry balcony and Terrace carpet areas are calculated 33% of the specified area in the floor plan and not 50% of them. Many builders cheat on this issue. Consumer should be alert for such fraud. You can check this in any of the govt. policy, it i 33% and not 50%. please correct your blog as per that.

  67. Shilpa September 26, 2011 2:17 pm

    Very helpful piece of information,Thanks a lot…

  68. phani September 28, 2011 11:20 am

    Nice Information.Thank you very much

  69. deepak September 29, 2011 5:03 pm

    Dear buyers… I think we all should thank and wish all the very best to the team of this website who update us so deeply and clearly.

  70. Rahul October 5, 2011 8:48 pm

    I calculated carpet area of Bharat city and Gulmohar Green, Everyone must be surprised to see this result…
    Bhart city super area is 1290 while we got only 770 carpet area[aprox 38% loading charge]
    Gulmohar Green super area is 1510 while we got only 990 carpet area[aprox 35% loading charge]
    Even if you see actual room or toilet must be less than floor plan mentioned size …..Govt must have fair calculation ..i dont knwo where should i complain..these issue..May be RTI can help us.

  71. Yeterian Pierre October 6, 2011 10:16 am

    Is the covered balconies are part of the built up area or it is as the terraces.

    Please advise.

  72. Infrapromoters October 6, 2011 7:23 pm

    Appreciative !!!

  73. Abhay Desai October 10, 2011 9:25 am

    Really Very good and useful Article !!!
    Keep up the good Work and help people like us!!!!

  74. Sushant Raut October 10, 2011 4:23 pm

    Very Informative…

  75. Chander Mohan Goyal December 3, 2011 3:40 pm

    I had seen in a TV program on that matter that the builder can not charge for SUPER AREA only. Means the builder can charge only for carpet or covered area. If any body has any knowledge on the subject, please send it to me.


  76. Pranav Patil February 1, 2012 10:52 pm

    I have purchased a flat with a sellable area 893 sq ft and carprt area 626.01 sq ft. Builder has calculated carpet are from sellable area as :
    893 x (100-30)% = 893 x 70% = 626 sq ft.
    This is wrong.

    Already i have made aggrement and Rs 300000/- are paid. Now i found that ,actual sellable area is 813 sq. ft. Builder has cheated me by charging for more 80 sq ft. area.( Rs 180,000/-)

    How can i recover my money. What leagal action i can take or how consumer court help me.
    Plase help me .

  77. Nivedita May 16, 2012 4:11 am

    good info. I would like to know more about how to ensure that builder does not cheat me- what is promised at the time of showing the flat and what I get. The dealer was extremely reluctant to share a lot of details with me, when I asked him to do so in writing. But I insisted.
    Any pointers to pitfalls to avoid when looking for property in Faridabad, as I am really looking for a safe and good place where I can live.

  78. GAZI FAROOQ June 17, 2012 7:25 am

    Very Good Information it will be very usful if we have ready Excel Sheet.

  79. M.B. Paul June 20, 2012 9:39 pm

    I have purchased a flat where in the agreement it was mentioned that 1150 sq. ft. super built up area including 25% common area. The carpet area as measured is 820sq. ft.On measuring from top i.e. from terrace which includes wall thickness,pipes,staircase, lift etc. the measured is came as 873 sq. ft.So, 873×25% =1091 sq. ft. but, promoter told that the calculation is 1150-25% = 862.5 sq. ft.As per agreement as stated above whether promoter is correct or myself.Whether I can file case against the promoter as Consumer Protection Act. Pl. reply as soon as possible.

  80. SANJAY August 31, 2012 8:50 pm



  81. swapnil mayekar October 2, 2012 7:25 pm

    excellent information really helpful to educate people who want to know about real estate

  82. Tapan October 8, 2012 4:20 pm

    Thank you so much for useful information. Best wishes…………….

  83. free samples in india December 2, 2012 4:32 pm

    This post Super built up area & carpet area - What, Why and How! | India Real is too well written and your site is too good. I have bookmarked your webiste. Will visit your website regularly

  84. SP Singh December 13, 2012 9:39 am

    Is water tank area is to be counted in Super built up area. What about the open parking, can builder sell this area?

  85. vikrant maheshwari May 2, 2013 10:45 am

    Very useful tips for fresher’s in real estate trade

  86. AK Bhandari May 2, 2013 12:21 pm

    What are the areas excluded in “carpet area”

  87. sameer June 5, 2013 1:52 pm


    this is a very nice and clear explanation of what to look for and how to go about reassuring oneself.
    i had a slightly different query.
    what happens when there are angles? for instance if the building is a polygon shaped one with say three sides that have walls at angles (eg 120 degress). how is the area calculate in such cases? the floor plan in such cases will still give the area based on a length x breadth.

  88. dilip bhosale June 26, 2013 2:55 pm

    dear sir,
    i have taken mall on rent and mall charged me Rent as well as cam charges, i want to know when i am paying rent then why i should pay cam charges and owener charges me all charges on agreement area+50% loading i want to ask you is it correct oo not?

  89. P.Mangtani July 18, 2013 3:35 pm

    Thaks,For detail information about area calcution.

  90. navnath July 20, 2013 6:08 pm

    plz tell me which IS code used for Built up area measurment.

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