Laston House

House, former marine baths, painted stucco with slate hipped roof behind parapets, and large stuccoed axial stack on front wall behind porch. Single-storey and basement to Castle Square, two-storey and basement to rear. Five-window elevation to Castle Square with projecting porch in centre and two windows each side. Channelled ground floor up to impost band level, plain stucco above, raised band at cornice level and roughcast parapet above. The stepped plinth, impost band and upper band are in painted tooled stone. Stone also to recessed surround of centre door. Windows and centre doorway in projecting porch are arched in arched recesses. Porch has quadrant curved sides with square windows and flat facade in form of minimal triumphal arch with tall parapet above band with thin upper string course under stepped painted stone blocking course. The parapet is inscribed in Greek letters 'Thalassa kleuzei panta t'anthropon kaka', translated as `The sea cleanses all the evils of men' (Euripides). Doors and windows are all altered. Front C20 double doors with overlight under blind tympanum, plate glass to square windows, plateglass sashes with plain fans to 2 right windows and one to left. Outer left window is replaced with a half-glazed door, to No 2, with 3-pane fanlight. Basement flat has entry down steps from left to inserted door in side of curved projection, and has 2 12-pane sashes under right side windows. Blank right end wall. Elevation to the sea, stuccoed, 2 storeys with large late C19 canted oriel window each side on first floor, 12-pane sash between. Ground floor has 2 large 12-pane sashes under left oriel, 2 small 12-pane sashes under centre, and 3 large 12-pane sashes under right oriel. Basement door in centre and louvred opening to left giving onto sea-water reservoir or inlet. Curving terrace in front is infill of the former cold baths and reservoir, but outer retaining wall rebuilt in front of the original in late C20 after storm damage.

Circular vestibule has original plaster ceiling. Later C19 encaustic tile floor. Large room to right, former tea-room, has panelled door and simple cornice. Staircase has been removed.