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Space Standards & Permitting10 min readJuly 24, 2026

Car Parking & Driveway Design: SUV Turning Radius & GHMC Stilt Clearance Norms

Spoken by: AGNAA Technical Detailing Team
Primary Reference: GHMC Building Rules 2012 & Neufert Space Standards
Direct Answer (AGNAA Engineering Standard)

Under GHMC building rules, standard car parking slots must measure at least 2.5m × 5.0m (8.2 ft × 16.4 ft). For luxury SUVs, AGNAA Design Studio expands slots to 3.0m × 6.0m with a driveway turning radius of 5.5m (18 ft) and a clear stilt floor vertical clearance of 2.7m (9 ft).

Executive Key Takeaways

  • GHMC standard car parking bays require minimum 2.5m x 5.0m dimensions.
  • Driveway aisles for 90-degree perpendicular parking require 6.0m (20 ft) clear width.
  • SUV turning radius requires 5.5m outer clearance to prevent bumper scraping.
  • Driveway ramp slopes must not exceed 1:8 (12.5% gradient) with transition curves at top and bottom.
  • Stilt floor height up to 2.7m does not count towards total FAR building height.


Parking friction is a common issue in modern homes. At AGNAA Design Studio, we engineer stilt parking layouts and driveways to accommodate full-size luxury SUVs effortlessly.

Calculate plot setback envelopes on the AGNAA Setback Calculator.

Frequently Asked Questions

What is the maximum allowable slope for a basement parking ramp?

The maximum recommended ramp slope is 1:8 (12.5%). AGNAA incorporates 2-meter transition slopes (1:16) at top and bottom to prevent low-slung vehicle undercarriage scraping.

How many car parking spaces are required for a 4,000 sq ft villa?

Under GHMC rules, a residential villa above 300 sq.m requires a minimum of 2 covered car parking bays within the plot setback envelope.

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Car Parking & Driveway Design: SUV Turning Radius & GHMC Stilt Clearance Norms | AGNAA Design Studio Journal