What is Carpet Area | Built-Up Area | Super-Built-Up Area & Plinth Area with Calculation, Formula & Differences

What is a Carpet Area?

The carpet area is the area between wall to wall. Here the thickness of the wall doesn’t include because as mentioned it is the distance between wall to wall.

A carpet area can be simply understood as the area in a room or hall on which a carpet can be used to cover the ground surface of it. It becomes very important while looking for a house. Because it gives an idea about the length and width of the room, so we can get an idea about the room which we are looking for.

As we can understand from an example. Let’s suppose a person whose name is Keshav and he wants to buy a house for himself and he needs to have a good space of the room. So to know about the room size which he is looking for, he needs to know the carpet size of the room. After that, he can get an idea about the size of the room. Thus it plays a very important role while selecting any house to buy.

Carpet Area Meaning

Carpet area is the area of the room between two walls where the thickness of the wall is not included. It means in simple words carpet can simply be defined as the area of the room where carpet can be used to cover it

Carpet Area as per RERA

Carpet area as per RERA can be defined as the distance between wall to wall excluding walls thickness, external balcony area of the apartment, the area under suitable shafts, and the other area of the room. Generally, the carpet area is 70% of the build-up area.

What is the Formula for Carpet Area?

Carpet area = Area of the room – thickness of the wall or  Carpet area = Inner wall area + floor area 

How to Calculate Carpet Area?

The formula of carpet area is as follows:-

Carpet area= Area of the room – thickness of the wall

It means carpet area can be calculated as at first calculating the total area of the room then after that subtracting the thickness of the wall from the area of the room. By using this formula we can get the carpet area of the room.

We can understand it by taking an example. As above mentioned the carpet area is 70% of the built-up area. So if the build-up area is 1000 sqm, then the carpet area of the room will be 700 sqm. If we know the built area of the room then we can get to know the carpet area.

Also check: 20*50 House Plan Ideas

What is the Built-Up Area?

The built-up area can be defined as the total area covered including the wall of an apartment. It means it includes the internal wall and external wall of the apartment.

In simple words, the built-up area is the sum of the carpet area and the thickness of the wall. So we can say that the built-up area includes the following:-

1. Carpet area
2. Internal wall and external wall
3. Interior parts of an apartment.

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Difference Between Carpet Area and Built-Up Area

As above discussed there is a lot of difference between carpet area and built up area. Some of the differences between built up area and carpet area are listed below:-

Characteristics	Built up Area	Carpet Area
Definition	The whole area of the room includes the thickness of the wall.	An area which can be covered by using carpet.
Area	It includes the ground surface of the room and the thickness of the wall.	It includes only the ground surface of the apartment.
Thickness of wall	The thickness of the wall included.	The thickness of the wall doesn’t include.
Importance	It is important while get to know the area of the room in the apartment.	It is important while get to know about the room size of an apartment.
Formula	Carpet area + thickness of the wall	Built-up area – thickness of the wall.

What is a Super-Built-Up Area?

Super built-up area includes the whole area of the apartment. This means it includes (common access area) the lobby of the apartment, lift of the apartment, area of the room in the apartment, and many more. Thus it gives the idea about the area of an apartment where from the entrance lobby to the room is included.

Let’s take an example to understand the super built-up area in detail. So if anyone wants to buy a building. So for that, at first he would want to know the area of that building. And the area of that building can be found out through the super built area.

Super built-up area includes an entrance lobby to the room, so it will give a perfect idea about the area of the building. And this will make the buyer understand the whole dimensions of the building. And then he would be able to get a perfect idea about the building which he wants to buy.

Difference Between Carpet Area and Super Built-Up Area

There are lots of differences between carpet area and super built-up area. Some of the differences are listed below:-

Characteristics	Carpet Area	Super Built Up Area
Definition	The area which can be covered using carpet.	Here is the whole area of the building included.
Area	Area of entrance lobby, lift, and many more.	It only includes the area ground surface of the room.
Importance	It has become very important while getting to know the dimensions of the room surfaces.	It has become very important while get to know the total area of the building.
Surface included	Here only the ground surface of the room is included.	Here entrance lobby, balcony, verandah, etc. included.

How to Calculate Super Built-Up Area?

Formula of calculating super built-up area is

Super built-up area = Carpet Area (1+ Loading Factor)

Super built-up area has a loading factor of 1.25 which has to be a multiplier to the carpet area, and it is 25 to 30 percent of carpet area.

What is Saleable area in RERA?

Saleable area is just a carpet area (so it is also known as Carpet Area) where we can use the carpet to cover the area. So it can be considered to be a carpet area where a balcony, Varanda, and other surfaces of the apartment are included.

Also Read: What is 1 BHK, 2 BHK, 3 BHK in Apartment

Plinth area vs Carpet area

There is a lot of difference between the plinth area and the carpet area. Some of the differences are listed below:-

Characteristics	Plinth Area	Carpet Area
Definition	The plinth area is also called a built-up area where the whole area covered by the room is included with the internal and external walls.	The carpet area includes only the area between wall to wall but the thickness of the wall is not included.
Area	Here the whole area covered by room included	Only the inside area of the room is included.
Percentage	As it includes thickness of wall so it is 10-20% more than the carpet area.	As it doesn’t include the thickness of the wall. So it is 10-20% less than the plinth area.
Balcony	The balcony is not included.	The balcony is included.

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