S19 variation of condition 2 (Approved plans) of listed building consent S/1686/18/LB (Demolition of single storey rear extension and erection of replacement single storey extension) in respect of the kitchen to substitute the North roof glass with a single window, removal of the window in the East facing wall, the bathroom to substitute the North roof glass with a single window and install a window in the South (Garden) facing wall and the link to reduce the glazing in the South facing wall and reduce the rooflights from 3 No. to 2 No.