Former Grammar School, now offices. 1819, with late C19 additions. Brick with dressed stone plinth and hipped and gabled slate roof. 2 string courses, chamfered eaves, single gable, ridge and side wall stacks. Windows are glazing bar sashes of various sizes, with rubbed brick heads. 3 storeys, 3x6 bays. Pedimented north gable, to street, has a central blank flanked by single windows on each floor, those to the upper floor being smaller. In a recess to the right, a round headed doorway with plain fanlight and above it, a single sash on each floor. To left, a late C19 flat roofed porch with cornice and ramped parapet, and a 3-light mullioned window. On its left side, a doorway. Above the porch, a tablet inscribed "Collegiate Grammar School of Southwell". Hipped end, to Minster churchyard, has regular fenestration with a central full-height sash on the ground floor. Interior has a stone dogleg stair with stick balusters. (NCC/js)