1731 in architecture

The year 1731 in architecture involved some significant events.

Buildings

 * Basilica of Superga in Italy, designed by Filippo Juvarra, is completed.
 * Cumbernauld House in Scotland, to designs by William Adam, is built.
 * Hôtel Peyrenc de Moras in Paris, designed by Jean Aubert, is completed.
 * Jakobstad Church in Finland, designed by Johan Knubb, is built.
 * Jerusalem's Church in Berlin, designed by Philipp Gerlach, is completed.
 * Royal Theatre in Mantua, Italy, designed by Ferdinando Galli-Bibiena, is built.
 * Trooditissa Monastery on Cyprus is built.
 * Staircase of Schloss Bruchsal in Baden is designed by Balthasar Neumann.

Births

 * January 13 – Carl von Gontard, German architect (d. 1791)
 * April 14 – Laurent-Benoît Dewez, Belgian architect (d. 1812)
 * May 10 – Victor Louis, French architect (d. 1800)
 * Andrea Giganti, Sicilian Baroque architect (d. 1787)
 * Approximate date – John Hawks, English-born architect working in the Province of North Carolina (d. 1790)

Deaths

 * November 6 – James Smith, Scottish architect (b. c.1645)
 * Francesco de Sanctis, Roman architect (b. 1679)