PERMISSION FOR THE DEMOLITION OF EXISTING OUTBUILDINGS AND FOR THE ERECTION OF A REPLACEMENT OUTBUILDING COMPRISING OF A GARAGE AND STUDY SPACE AND FOR THE ERECTION OF A REPLACEMENT OUTBUILDING COMPRISING OF A SELF CONTAINED RESIDENTIAL UNIT (GRANNY FLAT) AND FOR THE UPGRADING OF AN EXISTING WASTEWATER TREATMENT SYSTEM TO SERVE SELF CONTAINED RESIDENTIAL UNIT AND THE EXISTING DWELLING HOUSE, INCLUDING THE INSTALLATION OF A TREATMENT PLANT AND PERCOLATION AREA, ALONG WITH ALL ANCILLARY SITE WORKS