1789 in architecture

The year 1789 in architecture involved some significant events.

• The main block of the Grand Pump Room, Bath, England, is begun by Thomas Baldwin.
• Cross Bath, in Bath, England, is rebuilt by Thomas Baldwin at about this date.
• Buxton Crescent in Buxton, Derbyshire, England, designed by John Carr, is completed
• New house at Newliston near Edinburgh, Scotland, designed by Robert Adam.
• The Moscow Gostiny Dvor is designed by Giacomo Quarenghi, the favourite architect of Catherine the Great.
• The rebuilt Prince Vladimir Church, Saint Petersburg, is completed to the designs of Ivan Starov.
• All Saints' Church, Newcastle upon Tyne, England, designed by David Stevenson, is consecrated.
• The First Methodist Church in Rhode Island is built, with a 160-foot spire.
• The octagonal Old Stordal Church in Norway, designed by the late priest Ebbe Carsten Tønder, is built.
• Congress Hall, Philadelphia, designed by Samuel Lewis, is completed as the county courthouse.
• Philosophical Hall, Philadelphia, is completed for the American Philosophical Society.
• The Boydell Shakespeare Gallery in London, designed by George Dance the Younger, is opened.
• The Piață Mică arcaded market hall in Transylvania is built.
• Duras Castle in Limburg (Belgium), designed by G. Henry, is completed.
• The Alma Plantation Sugar Mill in Pointe Coupee, Louisiana, is built.
• New peers' entrance to the Irish Houses of Parliament in Dublin, designed by James Gandon, is completed.

• December 8 – József Hild, Hungarian architect (died 1867)
• December 20 – William Burn, pioneer of the Scottish Baronial style (died 1870)
• Matthew Habershon, English architect (died 1852)

• June 14 – Tommaso Temanza, Italian Neoclassical architect and author (born 1705)
• August 7 – William Edwards, Welsh Methodist minister, stonemason, architect and bridge engineer, best known for the Old Bridge, Pontypridd (born 1719)
• November 28 – Friedrich August Krubsacius, German architect and architectural theoretician (born 1718)