Chennai — Architect's Working References
City-specific regulatory references for architects practising in Chennai. Each topic page distils the working numbers, authority quirks, and on-site enforcement gates that shape design decisions.
Governing framework: Tamil Nadu Combined Development & Building Rules 2019 (TNCDBR 2019)
Authority: Chennai Metropolitan Development Authority (with Greater Chennai Corporation for plan sanction)
Available topics
Building Setbacks in Chennai
Front, side, and rear setback rules — the no-build margins between a building and its plot boundaries. The single most common cause of plan-sanction rejection in Indian residential approvals.
Open reference FAR / FSIFAR / FSI in Chennai
Floor Area Ratio (FAR) / Floor Space Index (FSI) — the maximum buildable floor area as a multiple of plot area. Sets the upper limit on building bulk; the lever every architect optimises.
Open reference House Plan 30×4030 × 40 ft House Plans in Chennai
Climate-appropriate 30 × 40 ft (1200 sqft) residential plans by city — the most common Indian small-plot size. Each city page routes to its matching climate-zone anchor plan with local FAR + setback context, cost band, contractor and material market notes, and Vastu calls.
Open reference