Erection of part single, part double storey rear extensions with side infill at first floor and associated changes to fenestration. Erection of new crown roof, 2no side and 1no rear dormer roof extensions with installation of 8no rooflights to facilitate loft conversion. Erection of single storey detached outbuilding to the rear of property to be used as a gym. Installation of new metal railings and pedestrian gate to front of property.