Can two flats with basically the same super built-up area differ from each other's carpet area?
Yes. Two flats with the same super built up area can have different carpet area because the loading percentage and building design may vary. A project with higher loading allocates more space to common areas such as lifts, corridors, staircases and lobbies, leaving less usable carpet area for the homeowner.
Before buying a property, compare the RERA carpet area instead of only the super built up area.

https://www.laxmigroup.co/arti....cles/carpet-area-vs-

How is RERA Carpet Area Calculated?
RERA carpet area is calculated by measuring the net usable floor area inside the apartment, including the space covered by internal partition walls. It excludes external walls, balconies, terraces, service shafts and all common areas such as corridors, lifts and staircases.
To understand what is RERA carpet area, simply add the usable floor area of all rooms inside the home. This standard method helps buyers compare properties fairly and clearly understand the difference between RERA carpet and actual carpet.

https://www.laxmigroup.co/arti....cles/carpet-area-vs-

How do I calculate the measurement of carpet area?
To understand how to calculate carpet area, measure the internal length and width of each usable room and multiply them. Then, add the area of all bedrooms, living rooms, kitchens and bathrooms.

When checking what is RERA carpet area, remember that it includes internal partition walls.
https://www.laxmigroup.co/arti....cles/carpet-area-vs-