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Things to know about Floor Space Index

admin 2 years ago 3 min read

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FSI full form is Floor space Index. The floor space index is the total area covered by all floors of the building, divided by the total plot area on which buildings are built. The total area covered by floors is known as the built-up area.

The floor space index is also called the floor space ratio in some areas. In this post, we will tell you about FSI, its importance, benefits, and many more related facts.

What is the floor space index?

What is FSI ? The space area of all floors by total area of the plot is referred to Floor Space Index. It is referred to as the ratio that helps you to decide how much construction should be done on a piece of land.

The FSI value is based on factors like amenities, zone category, and building type of city. The whole structure allowed on the plot is based on several parameters, including plot locality, size, and end use for which it is constructed.

What is premium FSI?

The premium FSI is applied if there are broad main roads adjacent to the plot. The minimum width is 30 feet.The premium floor space index is calculated by taking the different widths of the adjacent road into account.

If the road width lies between 30 to 40 feet, then the builder can get 20% more FSI.
If the road width is lie between 40 to 60 feet, then the builder can get 30% more FSI.
If the road width is more than 60 feet, then the builder can get 40% more FSI.

The 30% more FSI means that 20% of construction takes place as compared to the actual permissible limit.

Pros of FSI (Floor Space Index)

There are many benefits of FSI, as follows:

It helps to keep the skyline of the city in check.
It helps to maintain open space to build more space.
It ensures the right development speed for specific projects.
It balances planned and sustained growth.

Components of FSI

There are two components of FSI used to construct buildings, basic and fungible FSI. The sum of two components makes the maximum permissible FSI for a specific plot.

Basic FSI- It is that component of FSI that is available free of cost.
Fungible FSI- This component of FSI is important to buy from the local authority. More than basic FSI, there is a few FSI that is required for sale. This is required to buy by paying a premium on the basis of circle rates or ready reckoner rates of area or amount that are decided by a government authority.

Conclusion

Green building programs are also promoted using FSI criteria. For instance, in some cities, green-certified buildings are given more FSI. Also, FSI is crucial for the neighborhood municipal corporation because it aids in managing and controlling the density of a specific area.

By balancing the demand for expansion with the need to maintain the environment and quality of life, the FSI contributes significantly to the growth and development of Indian cities and towns. In order to understand the alternatives accessible, prospective homeowners need to comprehend how FSI affects their neighborhood.