Section 2(1)(y) in The Kerala Panchayat Buildings Rules, 2011
(y)'coverage' means the maximum area on any floor [above ground level] [Inserted by Notification No. S.R.O. No. 26/2014, dated 10.1.2014 (w.e.f. 14.2.2011).] of the building excluding cantilevered open balconies; it does not include the spaces covered by,-(i)garden, rockery, well and well structures, plant, nursery, water tank, swimming pool (if uncovered), platform round a tree, tank, fountain, bench and the like;(ii)drainage, culvert, conduit, catch-pit, gully pit, drainage chamber, gutter and the like; and(iii)compound wall, gate, slide, swing, uncovered staircase, areas covered by sunshade and the like;