RERA Carpet Area — What Is and Isn't Included
| Element | Included in RERA Carpet Area? | Note |
|---|---|---|
| Usable floor area (rooms, halls, kitchen) | Yes | Net area you walk on — the core measurement |
| Internal partition walls | Yes | Walls between rooms within the flat — included in carpet area |
| External walls of the flat | No | Excluded — shared/boundary walls not counted |
| Balcony / verandah | No | Must be disclosed separately — cannot be included in carpet area pricing |
| Open terrace (exclusive) | No | Shown separately in sale agreement |
| Common area (lobby, lift, corridor) | No | These form super built-up area only |
| Service ducts, shafts | No | Excluded |
Why RERA Carpet Area Definition Matters
Before RERA, "carpet area" was an informal term with no standard definition. Builders interpreted it differently — some included balconies, some included external walls. This made comparisons impossible and pricing opaque. RERA's legally standardised definition ensures every buyer in every RERA project is comparing the same thing — the actual usable space inside the flat.
Shortfall protection: If the carpet area you receive at possession is less than what was declared in the agreement, RERA gives you the right to a proportional refund. For example, if you booked a 900 sq ft RERA carpet area flat and received 870 sq ft — you are entitled to a refund for the 30 sq ft shortfall at the agreed per-sq-ft rate.
Related Terms
Frequently Asked Questions
RERA carpet area is defined under Section 2(k) of RERA 2016 as the net usable floor area of an apartment including internal partition walls — but excluding external walls, balconies, verandahs, open terraces, and common areas. This is the legally binding definition all RERA-registered projects must use for pricing and disclosure. If actual carpet area at possession is less, buyers get a proportional refund.
No. Balcony, verandah, and open terrace are explicitly excluded from RERA carpet area. They must be disclosed separately in the sale agreement. A builder who includes balcony in the carpet area is violating RERA. When comparing flats, always check the RERA carpet area — not the total area including balcony — for an accurate comparison of usable living space.
Pre-RERA carpet area was an informal term with no standard definition — different builders included different things. RERA 2016 created a legally binding, standardised definition: net floor area + internal walls, excluding external walls, balcony, and common areas. The RERA definition is stricter and more buyer-friendly — it represents the true, independently verifiable usable space inside the flat.
Under RERA, if the actual carpet area at possession is less than the area declared in the sale agreement, the buyer is entitled to a proportional reduction in the total price. The refund is calculated at the per-square-foot rate agreed in the sale agreement. File a RERA complaint if the builder refuses to refund the shortfall amount. This is one of the most important buyer protections introduced by RERA.
Check the RERA project registration on the state RERA portal — the builder must upload carpet area for each unit type. Compare this with what is mentioned in the sale agreement — they must match. At possession, physically verify the carpet area matches — you can hire a professional to measure or review the as-built drawings. Any shortfall versus the registered RERA carpet area is grounds for a refund claim.