10th C. – Antrim Round Tower, Co. Antrim Described as one of the most perfect of the round towers of Ireland, 93 feet high and 50 feet in circumference at the base.
1840s – Clotworthy Arts Centre, Antrim, Co. Antrim Clotworthy Arts Centre was built in the 1840s as a coach house and stables for Antrim Castle. It was once the centre of a thriving farm and consists of an enclosed central courtyard flanked by two wings built in a neo-Tudor style.
1880 – Trench House, Belfast, Co, Antrim Architect: Alexander Macalister This large mid-Victorian mansion was built in 1880 by the leading property-owner in the locality, Arthur Hamill,
1884 – Gate Lodge, Antrim Castle, Co, Antrim Architect: William J. Fennell Unbuilt design for a new gate-lodge for Antrim Castle. Design was exhibited at the RHA in 1884 and published in The Irish Builder,
1902 – Railway Station, Antrim, Co. Antrim Architect: Berkeley Deane Wise Designed by Berkeley Deane Wise for the Belfast and Northern Counties Railway, and constructed 1901-02.