Appplication for a Certificate of Lawful Development (Proposed) with respect to erection of a single storey ground floor rear/ side infill extension; erection of a rear dormer roof extension with juliet balcony and installation of 3 rooflights to the front roof slope, removal of first floor side window, replacement of all timber framed windows with new timber framed windows and change of use from a single dwelling (C3) to a small house in multiple occupation (C4).