Published on September 01, 2026 • Last updated September 01, 2026
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Carpet Area is the actual usable floor space within the walls of an apartment or unit, excluding the thickness of the walls themselves — essentially, the area you could cover with a carpet.
When buying or renting property, especially in India, you'll come across three different area measurements on a listing: Carpet Area, Built-Up Area, and Super Built-Up Area. Of these, Carpet Area is the most meaningful to a buyer, because it represents the actual usable space inside the unit — the floor area you could literally cover with carpet, excluding the space taken up by walls. This matters because Carpet Area is almost always smaller than the "headline" area a developer advertises, which is usually the Super Built-Up Area.
The difference comes from wall thickness (excluded from Carpet Area but included in Built-Up Area) and from a proportionate share of common building amenities like lobbies and elevators (added to arrive at Super Built-Up Area). This gap, sometimes called the "loading factor," can range from roughly 20% to 45% depending on the building — a unit advertised at 1,000 sq. ft. of Super Built-Up Area might have a Carpet Area of only 650-750 sq. ft. Recognizing this, India's real estate regulator (RERA) now requires developers to clearly disclose Carpet Area in project listings and agreements, so buyers can compare properties on a consistent basis rather than being misled by inflated saleable-area figures.
When comparing two properties, always check the Carpet Area rather than relying on the total quoted area alone — it's the number that best reflects the usable space you're actually paying for.
Learn how Carpet Area is calculated
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