The year 1829 in architecture involved some significant events.
Old General Post Office, London
- The General Post Office building in St Martins-le-Grand in the City of London, designed by Robert Smirke, is completed (replaced c.1912).
- Work begins on the Travellers' Club in London, designed by Charles Barry.
- Hospicio Cabañas in Guadalajara, Mexico, designed by Manuel Tolsá, is completed.
- The new building of the Royal High School, Edinburgh, Scotland on Calton Hill, designed by Thomas Hamilton, is opened.
- Eastern State Penitentiary, Philadelphia, Pennsylvania, designed by John Haviland, is opened.
- Central Congregational Church (Eastport, Maine) is built.
- St Peter's Church, Hammersmith, London, designed by Edward Lapidge, is consecrated.
- The Oratory, Liverpool, England, designed by John Foster, is built.
- Construction of the National Monument of Scotland in Edinburgh, designed by Charles Robert Cockerell and William Henry Playfair, is abandoned due to funds being exhausted, leaving only a row of Doric columns supporting the entablature.
- Cromer Hall in England, designed by William Donthorne, is built.
- Octagon House (Columbus, Georgia) is built.
- Sferisterio di Macerata in Italy, designed by Ireneo Aleandri, is completed.
- Construction of Cisternoni of Livorno in Italy, designed by Pasquale Poccianti, begins (completed 1848).
- Kvitsøy Lighthouse in Norway is built.
- Carrollton Viaduct on the Baltimore and Ohio Railroad, designed by James Lloyd, is completed.
- ^ Brandwood, Geoff, ed. (2010). Living, Leisure and Law: Eight Building Types in England 1800–1914. Reading: Spire Books. p. 154. ISBN 978-1-904965-27-5.
- ^ Summerson, John (1991). Architecture in Britain 1530–1830 (8th ed.). Pelican Books. p. 473.
- ^ "History of Edinburgh". Visions of Scotland. Retrieved 2014-08-02.