Replacement of existing single glazed uPVC windows with new double glazed timber windows to the front elevation; replacement of existing composite moulded door and double glazed obscured toplight with a new traditional timber moulded door and double glazed obscured toplight to the front elevation at ground floor level; replacement of existing single glazed timber windows with new double glazed timber windows to the rear elevation; and replacement of existing single glazed timber French door and single glazed panels with a new double glazed timber French door and double glazed panels to the rear elevation at ground floor level.