1858 in architecture

Buildings

• The Hamilton Mausoleum in Scotland is completed to an 1842 design by David Hamilton by David Bryce with sculptor Alexander Handyside Ritchie.
• Saint Isaac's Cathedral in Saint Petersburg (Russia) is completed to an 1818 design by Auguste de Montferrand.
• Trinity Church (Oslo) in Norway, designed by Alexis de Chateauneuf and Wilhelm von Hanno, is consecrated.
• New parish Church of St George, Doncaster, Yorkshire, England, designed by George Gilbert Scott, is consecrated.
• Wesley Church, Melbourne, Australia, is opened.
• Leopoldstädter Tempel (synagogue) in Vienna, designed by Ludwig Förster, is built.
• Grand Synagogue of Aden is built.
• Church of the Resurrection in Katowice (Poland) is completed.
• Fishergate Baptist Church in Preston, Lancashire (England), designed by James Hibbert and Nathan Rainford, is completed.
• Leeds Town Hall in Yorkshire (England), designed by Cuthbert Brodrick, is completed.
• Ontario County Courthouse in Canandaigua, New York, is built.
• United States Customhouse and Post Office (Bath, Maine) is built.
• The Liverpool, London and Globe Building (insurance office) in Liverpool (England), designed by C. R. Cockerell, is completed.
• The West of England and South Wales Bank in Bristol (England), designed by Bruce Gingell and T. R. Lysaght, is completed.
• The rebuilt Royal Opera House, Covent Garden, London, designed by Edward Middleton Barry, is completed.
• St James's Hall (concert hall), Piccadilly, London, designed by Owen Jones, is opened.
• Hownes Gill Viaduct in County Durham, England, designed by Thomas Bouch, is opened.
• New westwork at Speyer Cathedral (Bavaria), designed by Heinrich Hübsch, is completed.
• Construction of Woodchester Mansion (Spring Park) in Gloucestershire, England, designed by Benjamin Bucknall, is begun; work is abandoned in the 1870s.