The proposed development will consist of the demolition of the existing garage (19.6 sq.m) and external stores and partial demolition of the ground (10 sq.m) and 1st (11 sq.m) floors of the existing dwelling, and the construction of a new 2-storey side and rear extension at ground (48 sq.m) and 1st (46 sq.m) floors, and associated internal works and minor amendments to the rear elevation including replacement of lean-to pitched roof with a flat roof over existing ground floor rear bays. The proposals also include for conversion of the existing attic space (42 sq.m) into a new bedroom and en-suite with new dormer window to rear, velux windows to front, side and rear roof elevations and removal of one chimney stack on rear; also associated site works and widening of existing vehicular entrance off Merrion Road with new entrance gate and pillars.