EXTERNAL ALTERATIONS INCLUDING REPLACEMENT OF EXISTING WINDOWS AND DOORS TO THE FRONT AND REAR; REPLACEMENT OF TWO ROOF LIGHTS TO THE FRONT ELEVATION & REINSTATEMENT OF A THIRD ROOF LIGHT TO THE FRONT ELEVATION; REINSTATING & REPLACING WINDOWS TO FRONT ELEVATION AT STREET LEVEL; DEMOLITION OF A LEAN-TO PASSAGEWAY STRUCTURE TO REAR & REPLACEMENT WITH A NEW WIDER PORCH