H. S. Thukral
(Expert) 03 May 2008
There is no such law. Super built area shall depend upon design of a building. In a multistorey building where lifts as well as staircase is involved super area shall be more in comparision to a building of low height where there is no lift required. Usually super build area is 135% of the carpet area.
(Expert) 16 May 2008
fIND OUT IF YOUR CITY'S development authority has made rules regarding the same or not.