Explained: Plot Area, Carpet Area, Plinth, Super Built-Up and Setbacks

Plinth Apr 5, 2021

It is essential to understand the various terminologies used to calculate the area of your property. Building plans, building by-laws and numerous other regulations such as the RERA Act of 2016 often use terms like ‘covered area’ or ‘built up’ area to impose restrictions on the structural changes you can make to your property or estimate the effective circle rate of your property, or even its market value. We have made a list of the commonly used terminologies which refer to area types below.

Plot Area

The plot area simply refers to the total area of your plot or land parcel. It does not take into account the area of the built up structures on the plot.

Carpet Area

The carpet area is the internal ‘usable’ area of your property. It is the entire floor area of your property, excluding the area covered by the walls, terrace, balcony or any other space which lies outside the walls enclosing the usable area of your property.


The plinth area or built-up area is the area covered by the floor of the built up property, along with the area covered by its internal and external walls. It is typically 15 to 20 percent more than the carpet area of your property. The plinth area also includes the area covered by the terrace, balcony or any room lying outside the space enclosed by the walls of your house.

Plinth area= Carpet area + Area covered by internal walls + Area covered by internal walls + Area covered by terrace, balcony, etc.


Setback refers to the area covered by the open space between the building and the boundary of the plot. Every building has front, rear and side setbacks. The building regulations in each city/State specify the area which is to be covered by the setbacks. It is important to specify the setback area to ensure that the residents of the building receive enough ventilation and that two buildings are not too close to one another.

Super Built-up Area

The super built-up area of a flat in a real estate project is calculated by adding the plinth and the proportionate area covered by the common facilities in the project, such as the swimming pool and clubhouse.

Image by Lorenzo Cafaro from Pixabay.

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