1640s in architecture

Buildings and structures

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.<ref>"Lincoln's Inn Fields: Nos. 59 and 60 (Lindsey House)". Survey of London: volume 3: St Giles-in-the-Fields, pt I: Lincoln's Inn Fields (1912), pp. 96–103. Retrieved 2015-03-17.</ref>
- 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.

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)

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)