Calculate the carpet area of your flat from its built-up or super built-up area, based on standard RERA loading factors.
Lobby, elevator, stairs, and parking area ratio.
Inner and outer wall thickness and balcony spaces.
How properties are sized under the Real Estate Regulatory Authority (RERA) mandate:
The actual walkable net usable floor area of an apartment. It excludes outer wall thickness, common shafts, balcony areas, and elevator lobbies.
Carpet area plus the thickness of internal/external walls, balcony floor areas, and private utility terrace/duct areas.
The total built-up area plus a proportionate share of common township facilities like lifts, corridors, clubhouses, and lobby space.
Select standard township Super Built-Up areas to check expected net carpet spaces:
Carpet area represents the portion of a property that can actually be used for daily living. It provides a practical measure of how much functional space is available for furniture, movement, and day-to-day activities.
Two apartments may have similar advertised sizes but significantly different carpet areas. Comparing carpet area helps buyers evaluate which property offers better value and more usable space.
Carpet area is often the most useful measurement when planning furniture layouts, interior design, storage solutions, and room utilization. It reflects the actual space available inside the home.
Modern real estate regulations encourage clearer disclosure of carpet area to help buyers make informed decisions. Understanding this metric reduces confusion and improves confidence during property purchases.
Quick answers about how this tool works.
Plain-language explainers that sit next to this tool.
Confused why the flat you booked at 1,200 sq ft feels smaller than expected? Learn the exact difference between carpet, built-up, and super built-up area, with formulas and a worked example.
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