Tamil Nadu Property Buffer Zone Calculator
Properties situated adjacent to water bodies, high-tension lines, railway tracks, or highways face severe building approval restrictions and potential demolition. Use our interactive calculator to check whether your plot falls into a Prohibited, Regulated, or Clear statutory zone.
Select Property Surroundings
Regulated Buffer Zone
Your boundary is within the regulated 15m–50m buffer. Construction is strictly restricted and requires mandatory department clearance.
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Tamil Nadu Statutory Buffer Regulations Reference Guide
Water Bodies & PWD Tanks
Statutory setbacks from rivers, channels, odai, eri bunds, and foreshore boundaries to prevent flooding and encroachment.
High Tension (HT) Electricity Lines
Horizontal and vertical safety clearances from overhead high-voltage transmission lines across Tamil Nadu.
Southern Railway Tracks
Compulsory safety buffer from Southern Railway operational track boundaries requiring Railway Divisional Engineer (DEN) NOC.
National & State Highways
Statutory setback from highway central line to preserve future right of way and prevent ribbon congestion.
Archaeological Protected Monuments
Strictly enforced buffer zones around centrally protected ASI heritage monuments across Tamil Nadu.
Reserve Forest & Eco-Sensitive Areas
Mandatory ecological buffer along notified Reserve Forest (RF) boundary lines.