1640s in architecture

Buildings

 * The Taj Mahal in Agra, India, is under construction, probably by Ustad Ahmad Lahori, to a commission by Shah Jahan. The mosque and jawab in the complex are completed in 1643.
 * 1640
 * Børsen in Copenhagen, designed by Lorentz and Hans van Steenwinckel the Younger and begun in 1619, is completed.
 * 59–60 Lincoln's Inn Fields, London (later known as Lindsey House), probably designed by Inigo Jones and begun about 1638, is completed.
 * Butterwalk, Dartmouth, England, is completed.
 * 1641
 * Tron Kirk in Edinburgh, Scotland, designed by John Mylne, is dedicated.
 * The Mauritshuis at The Hague in the Dutch Republic, designed by Jacob van Campen and Pieter Post, is completed.
 * 1645–1648 – Main structure of Potala Palace in Lhasa, Tibet, is built.
 * 1646
 * The St. Mary Magdalene Chapel, Dingli, Malta, is rebuilt after the original chapel had collapsed.
 * Chehel Sotoun in Isfahan, Persia, is completed.
 * New Church of Saint-Sulpice, Paris, is begun to designs of 1636 by Christophe Gamard; it will not be completed until the later 18th century.
 * 1647 – The Changdeokgung in Seoul, Korea, is reconstructed.
 * 1648 – Buildings commissioned by Shah Jahan in India:
 * April 6: Red Fort, Delhi, is completed to designs by Ustad Ahmad Lahori.
 * Jama Mosque, Agra, is built.

Births

 * 1642 – Giovanni Barbara, Maltese architect and military engineer (died 1728)
 * c.1645 – William Winde, English gentleman architect (died 1722)
 * 1645: December 27 – Giovanni Antonio Viscardi, Swiss baroque architect working in Bavaria (died 1713)
 * 1646: April 16 – Jules Hardouin Mansart, French baroque architect (died 1708)
 * 1647 – Henry Aldrich, English polymath and amateur architect (died 1710)
 * 1648 – Pietro Perti, Ticinese architect and sculptor working in Lithuania (died 1714)

Deaths

 * 1646: April 10 – Santino Solari, Italian-born architect working in Salzburg (born 1576)
 * 1647: August 24 – Nicholas Stone, English sculptor and architect (born 1586/7)