How many floors can be constructed in 1800 sq ft | how many floors is a 1800 sq ft

Building/ apartments are constructed in many cities, rural and urban areas according to building byelaws that is acceptable by local authority. Your local municipal corporation, nagar nigam authority will allow you with certain limitations and restrictions. So you can’t built as many floors in given plot size as you want. They are made as follows the rules and guidelines of building byelaws. Pls check the first what are the guidelines in your area or consult with locall authority.

Number of floors will depend on the size of plots, parking area, economical level of society and major factors is FSI (Floor Space Index) or FAR (Floor Area Ratio) that deciding the number of floors can be built in given plot size or area.

FSI stand for floor space index and FAR stand for floor area ratio regulated by municipal corporation of town and city in many country. It is calculated value of ratio of total area of floor of building and Plot land area of buildings. It allow Builders and contractor to construct building according to given laws, rule and regulation of municipal corporation.

Permissible FSI depend on many factor:- population of city, location of your land plot, type of building construction you want like a residential building, apartment and business building, width of road, availability of power water and sewer system.

You cannot fix FSI in your city by yourself, floor space index is fix by municipal corporation of city and town by rule and regulation. Suppose floor space index is 2 in your city and your land area is about 1800 square feet then you can built in 3600 sq ft area such as, floor area construction = FSI × area of land = 2 × 1800 sqft = 3600 sqft.

If the size of the plot or land being used for a project is 1800 sq ft and the FAR determined for that particular city/locality is 1.5, then, the total floor area that can be constructed will be 2700 sq ft (1800×1.5). As the maximum space available on the ground floor will be around 1800sq ft, hence, with the remaining built-up area of 900 sq ft, it is possible to construct just one more floor.

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**How many floors can be constructed in 1800 sq ft**

Number of floors in 1800 sq ft or 45×40 size plot will all depends on the FSI (Floor Space Index) or FAR (Floor Area Ratio). Generally FSI value represented as 1, 1.5, 2, 2.5, 3, 3.5 and 4 or in decimal. If the approved FSI in your area is 3, then, you can develop 1800×3 = 5400 square feet of area. If FSI is 2.5, then, you can develop 1800X2.5 = 4500 square feet of area.

Let us assume, the FSI in your locality is 3, then, you can develop 5400 square feet of area. A typical 3BHK can be built in approximately 900 square feet of area. therefore, you will be able to build 5400/900 = 6flats of 3bhk in the given land. Two 3 bhk flat per floor.

There are 3 floors of 3BHK (1800 sq ft each and two 3bhk per floor) can be built/ constructed in 1800 sq ft or 45×40 size plot upto 3 storey (G+2) building, if permissible FSI in your locality is 3. Note that ground floor used for car parking. As you know, it all depends on the given FSI/FAR in your locality, so better for you to check that from the local development body.

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**Conclusion**:-

There are 3 floors (ground floor + 2upper floor) of 3BHK (1800 sq ft each and two 3bhk per floor) can be built/ constructed in 1800 sq ft or 45×40 size plot upto 3storey (G+2) building, if permissible FSI in your locality is 3. Note that ground floor used for car parking.