One of the biggest misconceptions about MTP 2024 is the "100% FSI waiver." The policy grants additional Floor Space Index based on road width — not a blanket waiver. The rules differ significantly between BMC Mumbai and the rest of Maharashtra.
Additional FSI by road width
| Road width | BMC Mumbai (max FSI) | Rest of Maharashtra (max FSI) |
|---|---|---|
| 12 metres | 3.0 | 3.0 |
| 18 metres | 4.0 | 3.5 |
| 24 metres+ | 5.0 | 4.0 |
Premium rates
- BMC Mumbai: 50% of prevailing DCPR premium rate on additional FSI
- Other regions (Pune, Nashik): 50% of UDCPR premium rate
- Zero premium: Vidarbha, Marathwada, Dhule, Nagpur, Ratnagiri, Sindhudurg
- Premium payable in installments under MTP 2024
What is excluded from FSI calculation
- Basement parking floors
- Storage areas
- DG set / utility rooms
- Recreational floor (hotels >15m height, 4.5m height, open sides — not counted)
Practical impact — 100-room hotel example
A 100-room hotel on a 2,000 sq.m plot in Nagpur (zero premium) with a 24m road can build up to 4.0 additional FSI — roughly 8,000 sq.m of saleable area — with no premium charge. The same project in Mumbai BMC would pay 50% of DCPR premium on the additional FSI above the base permissible FSI, which can run into ₹2–5 Cr depending on the micro-market.
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