Change of use from Office (Class E) and Residential (Class C3) to House in Multiple Occupation (Class C4) (retrospective) and replace 3 windows on south elevation

Convert first floor to 2 self-contained flats, erect dormers to rear and convert loft into habitable accommodation to create 1 self contained studio flat, install additional window at first floor rear and form separate entrances to ground floor offices and upper flats (Amended Proposal)(part-retrospective)