No 6 Lexden Terrace (Lexden House)

No 6 Lexden Terrace, also known as Lexden House, is the sixth house in a stuccoed terrace of six houses, built in the 19th century. Each house has three storeys and a basement, with two bays that are flanked by giant Ionic pilasters on the upper two floors, which rise from a band over the ground floor. There is an extra pilaster between Nos 5 and 6, with No 6 being slightly wider. The building features a full entablature with a moulded cornice and parapet, slate roofs, and brick chimneys.

The upper floors have twelve-pane sash windows, while the ground floor openings are not aligned with those of Nos 1-5. The ground floor has a door to the left and a tripartite sash window to the right, which has an unusual glazing pattern of marginal panes surrounding an elongated octagon. No 6 has a channelled ground floor with aligned openings, featuring a door with two long panels and an overlight with traceried design that matches the ground floor window, set in a panelled reveal. The porch is accessed by a flight of six steps and is supported by two stucco Ionic columns, topped with a 20th-century wooden cornice, which replaced a former castellated stucco top.

On the left end wall, there is a small lean-to brick addition that includes a Tudor-arched door with studded cover strips. The area around the house is broader than that of the other houses and features similar iron spearhead railings, which are also found in front of Nos 1-3 Rock Houses and No 10 Bellevue, as well as those surrounding the forecourt.

The left end wall of the house appears to have five storeys, with a parapet situated between two brick stacks. It has twelve-pane sash windows on the top floor to the left, and in the centre of the second and first floors, while the ground floor and basement are obscured by a large stuccoed lean-to. This lean-to has a central ground floor door with a traceried overlight, and features a pair of casement windows at the top left, conservatory glazing at the top centre, and two large cambered arched recesses in the basement to the left and centre, with the centre recess containing a recessed half-glazed door. There is a small sash window to the right.

At the rear, the house has a parapet and two twelve-pane sash windows on the second floor, along with a first-floor balcony that has decorative cast-iron railings, pierced open-work uprights, and a lead tent awning. French windows are located within the balcony. The large conservatory on the ground floor was rebuilt in the 1990s.

The interior of No 6 is said to be particularly impressive, featuring a plaster groin vault in the vestibule with engaged corner columns, as well as an oval well stair with niches.