There is no fixed ratio of super built up to built up or carpet area.
Built up area to carpet area ratio.
Usually carpet area is expressed as a cut of super built up area and the cut varies from 20 to 50 of super built up area.
Built up area carpet area utility area shaft area wall thickness carpet area to built up area ratio calculation approx.
The 300 sq ft is not usable while 700 sq ft is the remaining area that will be used.
Calculate super built up area and built up area with the help of floor plan.
Ideally such ratio differs from project to project depending on the availability of amenities and area.
Utility areas ducts shafts.
The super built up area as seen in this example is divided in the ratio of the apartments built up areas in this case 1 2.
Read more on prooguide.
Some of the essential tips.
Super built up area means built up area plus common areas proportioned to a unit checkout the illustration below.
Value built up area carpet area 20 of carpet area.
Therefore one should ask the developer for the ratio of carpet area to the super built up area.
So if built up area is 1 000 sq ft it implies that 30 per cent i e.
As a rule of thumb the super built up area can be calculated by adding a loading factor to the carpet area which may vary from 15 to 50.
Excess area costing on the nam e of super built up area over carpet area must depend on amn eties provided by adding extra land over flats construction area for club gym sweaming p ool and central and side lawns surrounding the flat construc tion area if no such amenitie s and land is only utilised fo r flats and car parking as exc ess area then super and carpet area must have less than 10.
The more saleable area does not necessarily mean more carpet area.
The higher the ratio of carpet area to the super built up area the more space one will get inside the flat.
This calculator is free to calculates carpet area built up area and super built up area online carpet area is the area used to spread carpet built up area is the carpet area plus thickness of walls.
For example let s assume that the built up area is 1 000 sq ft then your carpet area should be around 700 sq ft as carpet area is 70 of total built up area.
The area specifications told by you clearly say that developer is making a deduction of 25 percent from the super built up area and 20 percent to achieve the carpet area of 774 sq ft.
It means if a carpet area is 750 sq ft then.
As a rule of thumb carpet area can be converted into built up area by multiplying with 1 1 and into super area by multiplying with 1 25.