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Guides 10 min read Oct 12, 2024

Understanding Unified DCR for Mixed-Use Projects

Navigate the complex landscape of mixed-use zoning and FSI optimizations using NiyamX.

Vikram Shah
Vikram Shah
System Architect

For decades, Maharashtra's real estate was governed by a fragmented patchwork of bylaws—Mumbai had DCPR 2034, Pune had its own rules, and the rest of the state followed standardized codes.

Enter Unified DCR (UDCPR): A single, massive legislative framework intended to standardize development across the state (excluding Mumbai city). For architects, this is both a blessing and a minefield.

The FSI Game Changer

UDCPR introduces a sliding scale of Base FSI linked to road width and plot size, plus a complex "Premium FSI" and "Ancillary FSI" loading mechanism.

The "Road Width" Multiplier

  • Below 9m Road: Basic FSI 1.1. (Strictly regulated).
  • 18m - 24m Road: Basic FSI rises to 1.2, but "Premium FSI" allows you to go up to 2.2.
  • Above 30m Road: Potentially unlimited FSI for high-rise iconic structures (subject to approval).
Calculator: Don't calculate this manually. Use our [FSI Calculator](/tools/code-compliance/planning/fsi-calculator) which has the UDCPR tables built-in.

Mixed-Use Complexity

The biggest friction point is Segregation of Access.

If you have Commercial (Retail) on Ground/First floor and Residential above:

  • Separate Entries: You strictly need independent lobbies.
  • Fire Separation: A minimum 2-hour fire rated slab between the commercial and residential zones.
  • Parking: Commercial parking must be accessible without crossing residential zones.

Amenity Space & Recreational Open Ground

UDCPR enforces:

  • 10% Amenity Space for plots > 20,000 sqm.
  • 10% Recreational Open Space (ROS) for plots > 4,000 sqm.

Critical Note: You cannot construct *anything* in the ROS except specific structures (gazebo, clubhouse up to certain height). Many projects get stalled because architects try to squeeze "Utility Services" into the ROS.

The NiyamX BOQ Advantage

Optimizing FSI is the single biggest factor in real estate ROI. NiyamX allows you to run Dynamic Material Scenarios: What if you build a commercial floor vs. a residential floor? How does the BOQ shift? Our engine calculates the Profit-to-Cost ratio instantly, helping you maximize every square inch of your plot.

[Start Your Feasibility Study →](/tools/code-compliance)

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  • Instant FSI & Setback Calculations
  • Automated Fire Safety Checks
  • Downloadable Compliance Reports

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