(1) CONSTRUCTION OF (A) A SINGLE STOREY FLAT ROOF SIDE EXTENSION AND (B) A PART SINGLE STOREY, PART TWO STOREY FLAT ROOF EXTENSION TO THE REAR AND (2) ALL NECESSARY WORKS TO FACILITATE THE DEVELOPMENT TO EXISTING DWELLING HOUSE (PREVIOUS PLANNING REF. NO'S. 05/30150 & 14/50260 REFER)