1619 - Børsen in Copenhagen, Denmark designed by Lorentz and Hans van Steenwinckel the Younger, is begun (completed 1640)
Work on Santa Maria delle Grazie Tower in Xgħajra, Malta begins.
Reconstruction of Frederiksborg Palace, Denmark, is completed by Hans van Steenwinckel the Younger following the death of his brother Lorentz.
Skaill House on Orkney is built.
1621 - Prince's Lodging at Newmarket, Suffolk, England, designed by Inigo Jones, completed.
1622-1628 - The Tomb of I'timād-ud-Daulah in Agra, India, is built.
1622 - The Banqueting House, Whitehall, London, is opened with a performance of Ben Jonson's The Masque of Augurs designed by the building's architect, Inigo Jones.
1623-1627 - Queen's Chapel at St James's Palace in London, designed by Inigo Jones, is built.
c. 1625/26 - Coymans house, Keizersgracht, Amsterdam, designed by Jacob van Campen.
Palazzo Barberini in Rome begun by Carlo Maderno and Francesco Borromini (completed 1633).
Muchalls Castle in Scotland, reconstruction completed by Thomas Burnett of Leys.
1628 - George Heriot's Hospital in Edinburgh, Scotland.
1629 - Simtokha Dzong (castle-monastery) in Bhutan.
1620: November 2 (bapt.) - Roger Pratt, English gentleman architect (died 1684)
1620 - Bontadino de Bontadini, Italian hydraulic engineer, architect, mathematician and wood carver
1627: July 17 - Lieven de Key, Dutch architect (born 1560)
1629: January 30 - Carlo Maderno, Ticinese-born architect (born 1556)
1620s in architecture Wikipedia