Built-up, Carpet, and Super Built-up Area Explained

Nowadays, people tend to purchase houses rather than land, and in buying homes, they often get confused about how carpet area is different from the built-up area.

In this article, we are going to cover all these topics and explain them. So let’s begin with the carpet area. 

The Carpet Area

In layman’s terms, the area in your house or the apartment you can cover using a carpet is called the carpet area. It is a kind of usable area you get for use in your home. That is why the carpet area will not include the space used in the building lobby or the thickness of the inner walls, play area, etc. The formula to calculate carpet area: 

Carpet area = Net usable area inside the flat

Despite this, the Real Estate Regulatory Authority (RERA) defines the carpet area as “The total usable floor area of the apartment after excluding the area covered by the external walls, exclusive open terrace area, area under service shafts, balcony or verandah area, but it includes the area covered by the internal partition walls of the apartment.” 

In addition to that, some rules were made by the RERA about the carpet area. The builders are now legally required to mention the carpet area in floor plan. The total price of the flat is now calculated on per sq.ft price of the carpet area. Earlier it was calculated on Super built up area. In case carpet area increases, the builder or developer can ask the buyer to pay the difference amount. In addition to that, the RERA caps with the upper limit of carpet area to not be more than 3%.

If you intend to buy a project in a mega housing society, the builder will be required to tell you the carpet area under the terms of the RERA. It will be best if you get a technical expert to visit the flat and calculate the size. If you are applying for a home loan, the bank will send a technical specialist to examine the place, and there you will be able to check if the carpet area, as informed by the builder, is the same as said by them.

What includes in the carpet area? 
  • Bedroom 
  • Dining room 
  • Dressing room 
  • Kitchen 
  • Study 
  • Stores 
  • Bathroom 
  • Balconies within the house 
  • A staircase within the house 
What is not included in the carpet area? 
  • External areas
  • Common areas
  • Terraces
The Built-up Area

In an apartment or house, the built-up area is the carpet area, plus the area covered by the inner walls and the balcony. If we talk about India mainly, then 30% of the house area is used in creating the internal walls and balconies. If the developer tells the built-up house area is 1000 sq. ft., you can assume the house’s total usable space will be around 700 sq. ft. The formula to calculate the built-up area of a home or apartment: 

Built-up area = carpet area + area of the walls + area of the balcony

What includes in the built-up area? 

  • Carpet area 
  • External area 
  • Utility ducts 

What is not included in the built-up area?

  • Courtyard at the ground level
  • Garden
  • Rocky area
  • Well and well structures
  • Plant
  • Nursery
  • Platform around a tree
  • Overhead water tank
  • Fountain
  • Bench with open top and the likes, etc. 

So now it’s time to talk about the Super built-up area in the apartment and houses. 

Super Built-up Area                                          

The super built-up area, also known as the saleable areas, is the total built-up area of your apartment with your proportionate share of the common facilities that include the corridors, lift lobby, elevator, etc., in your building complex. In some cases, builders also add some facilities such as pools, gardens, and clubhouses. 

What includes in the super built-up area?

  • Built-up area of the flat 
  • Clubhouses
  • Air ducts 
  • Pipe
  • Lift 
  • Staircase 
  • Lobby 
  • Swimming pool 
  • Gymnasium 

If you want to calculate the super built-up area, then the formula is:

Super built-up area = built-up area + proportionate common area

We can say that the super built-up area is in the trend these days. There are many flats and societies in Mumbai that are in the super built-up formats. There is also another aspect of it. Before the RERA made it compulsory for the builders to sell flats based on carpet area, they used the super-built-up area as the space-measuring unit to cash in on the lack of clarity on space calculation. The use of the super built-up area as the measuring unit helped them lower the per sq. ft. cost of the property. It also gives the buyer a false impression that they are investing in a large home when they actually were not.

We hope this clears up the confusion that always seems to permeate floor areas and how prices are calculated. For more information keep visiting www.propertypistol.com

Disclaimer: The views expressed above are for informational purposes only based on industry reports and related news stories. PropertyPistol does not guarantee the accuracy, completeness, or reliability of the information and shall not be held responsible for any action taken based on the published information.


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