Internal and external alterations to include the erection of two storey rear extension following partial removal of existing extension and conservatory, installation of replacement windows, installation of french doors as replacement to existing window and door, replacement of pitched link roof with a mono-pitched roof, repair works to railings to front elevation, installation of replacement secondary glazing, removal of internal lobby with central staircase reinstated, staircases to first and attic floors reinstated in original positions, formation of new internal opening, reinstating and retention of nib walls, relocation of king post trusses and replastering works