12-20 New Bridge Street, Ayr

12-20 New Bridge Street in Ayr is an earlier 19th-century tenement building that stands three storeys high with an attic and features three bays. It has a single bay quadrant corner and commercial premises at the ground floor. The southeast elevation is finished in painted render, while the northeast elevation is covered in painted sandstone and harl. The building includes a base course, a modillion cornice above the shopfront, and an eaves course that extends as a band course on the northeast elevation. Decorative elements include a cornice, a blocking course, and pilasters flanking the shopfront openings. The window openings have architraved margins, decorative cill pendants, and a cornice above the first-floor windows.

On the southeast elevation, which serves as the entrance, there is a square-headed entrance to the shopfront located in the quadrant corner bay, featuring a glazed timber door. Above this, there are single windows aligned at the first and second floors. To the left, there is a single shop window, and to the outer left at the ground floor, there is a split shop window. The first and second floors have regular fenestration. At the attic level, there are two canted dormers located at the outer left and right.

The northeast elevation, known as Boat Vennal, features the quadrant corner on the outer left. There are two shop windows at the ground floor on the left and an arched entrance on the outer right with a timber door and a segmental-headed multi-paned fanlight. Above, there are two single windows aligned with the shop windows below.

The shop windows at the ground floor vary in size, while the upper floors are fitted with 12-pane timber sash and case windows. The roof is covered in grey slate, with stone skews, coped gablehead stacks, and circular cans. The interiors were not seen in 1998.