1775 – Antrim House, Merrion Square, Dublin Architect: John Ensor At the junction of Merrion Square and Lower Mount Street stood Antrim House, frequently described as the most impressive on the square after Leinster House.
1775 – Blackwater Bridge, Lismore, Co. Waterford Architect: Thomas Ivory Commissioned by the 5th Duke of Devonshire (1748-1811) as part of improvements at Lismore, this is a graceful single span bridge over the river Blackwater.
1775 – Praça do Comércio, Lisbon Architect: Eugénio dos Santos / Veríssimo da Costa The royal palace Paço da Ribeira, into which Manuel I moved in the 16th C.
1775 – The Marshalsea, Dublin Built near the rear of Bridgefoot Street and Bonham Street to replace an earlier Marshalsea between Christ Church Cathedral amd Wood Quay.
1775c – Taylor’s Castle, Wexford, Co. Wexford A georgian house, with extended windows and Irish-style castellations. Another view in the Lawrence Collection, in the National Library, taken in the early 20th century,