The year 1825 in architecture involved some significant architectural events and new buildings.

Events

• The front and rear porticoes of The White House are added to the building.

Buildings and structures

Buildings completed

• Moscow Manege, Moscow, Russia, designed by Agustín de Betancourt.^[1]
• Tuskulėnai Manor in Vilnius by Karol Podczaszyński.
• Palais Brongniart, the Paris Bourse, completed posthumously to the designs of Alexandre-Théodore Brongniart.
• City Hall in Karlsruhe (Baden), designed by Friedrich Weinbrenner.
• St Peter's Church, Walworth, London, designed by John Soane.

Births

• July 14 – Adolf Cluss, German-born architect in Washington, D.C. (died 1905)^[2]
• August 7 – Jacob Wrey Mould, New York architect, illustrator, linguist and musician (died 1886)^[3]
• October 22 – Friedrich von Schmidt, Austrian architect based in Vienna (died 1891)
• November 6 – Charles Garnier, French architect (died 1898)
• date unknown
  • James Brooks, English Gothic Revival architect (died 1901)
  • William White, English Gothic Revival architect (died 1900)

Deaths

• June 14 – Pierre Charles L'Enfant, French-born US architect and civil engineer (born 1754)