Section 62(2) in Kerala Municipality Building Rules, 1999
(2)Any one side shall have a minimum of 90 cms. and other side shall have a minimum of 60 cms.:Provided that no opening other than ventilator at a height of 2.20 metres from the floor level shall be provided on the side having only 60 cms open space:Provided further that the open space, on one side other than that having 90 cms width may be reduced or even abut the plot boundary without any manner of opening on that side, if the owner of the plot on that side voluntarily agree for the same in writing.](3) The rear side shall have an average of 1 metre with minimum 0.50 metre. (3a) The width of cornice roof, sunshade or weather shade shall be 30 cms in 60 cms wide open space and in other cases it shall be as in sub rule (11) of rule 24.
