Section 24(4) in Kerala Municipality Building Rules, 1999
(4)Every building upto 10 meters in height shall have a minimum rear yard of 2 meters depth:Provided that where 2 meters depth can not be maintained laterally throughout due to the peculiar shape of the plot, it shall suffice if the mean depth is not less than 2 meters with minimum depth at all point not less than 1.00 meter.Provided further that in the case of buildings upto 7 meters height, it shall suffice if the mean depth is not less than 1.50 meters with minimum depth to at all points not less thanProvided further that in the case of buildings upto 7 meters height, the depth of rear yard may be reduced to not less than 75 cms without any opening such as door and window on that side, however ventilator opening may be made at a height of 2.20 meters from the corresponding floor level.Provided also that in the case of buildings upto 7 meters height, the depth of rear yard 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 agrees for the same in writing.
