1734 in architecture

Buildings

 * The Drum, Edinburgh, designed by William Adam.
 * Loboc Church, Philippines.
 * Louisbourg Lighthouse, Nova Scotia.
 * Potsdam Gate, Berlin.
 * San Giuseppe alla Lungara, Rome, designed by Ludovico Rusconi Sassi.
 * Schloss Nordkirchen, North Rhine-Westphalia.
 * Sivasagar Sivadol Hindu temples, Sivasagar, Assam.
 * Rebuilding of Wentworth Woodhouse in the north of England begins.

Publications

 * Palladio Londinensis: or, The London art of building.

Births

 * May 7 – James Byres, Scottish architect (d. 1817)
 * July 18 – Giuseppe Piermarini, Italian architect (d. 1808)
 * October 6 (bapt.) – Joseph Pickford, English architect (d. 1782)
 * William Buckland, English-born American architect (d. 1774)

Deaths

 * March 1 – Roger North, English lawyer, biographer and amateur of the arts (b. 1651)
 * May – Alexander McGill, Scottish architect (b. c.1680)
 * William Etty, English architect (b. c.1675)