Sources & Methodology

How we research and verify content

Speak Arch combines professional architecture experience with cited references to Indian building practice.

Sources we use

  • National Building Code of India (NBC) and relevant IS codes where applicable
  • Municipal development rules (FAR, setbacks, parking) with city-specific disclaimers
  • Manufacturer technical data for materials (PVC, WPC, gypsum, POP)
  • Published cost benchmarks — always dated and labeled as estimates

Calculators and tools

Interactive tools on this site provide estimates only. They are not legal, structural, or municipal approvals. Consult a licensed architect or engineer before construction decisions.