Section 27(4) in The Kerala Panchayat Buildings Rules, 2011
(4)Every building up to 10 metres in height shall have a minimum rear yard of 2 metres depth:Provided that where 2 metres depth cannot be maintained laterally throughout due to the peculiar shape of the plot, it shall suffice if the mean depth is not less than 2 metres with minimum depth at any point not less than 1 metre:
