121 Mostyn Street, including verandah

Nos 121 and 123 Mostyn Street in Llandudno are four-storey buildings designed in the Italianate style. They feature a hipped slate roof and are constructed of stucco. The facade includes a cornice adorned with modillions and dentils, a frieze with quatrefoil decoration, and quoins. The top floor has two square-headed sash windows set in architraves. The second floor features two camber-headed sash windows in architraves, each with keystones. On the first floor, there are two three-light windows topped with cornices. The south elevation has three windows, including one facing North Parade, designed in the same style. The first floor here has a central window with two round-headed lights, flanked by pilasters and a cornice above, while the outer bays have canted three-light bay windows. The ground floor consists of shopfronts and includes a verandah supported by iron columns with capitals and spandrils, along with an eaves band.