Editing 1903 in architecture (section)

===Buildings completed===
[[File:HillHouse.jpg|thumb|right|250px|[[Hill House, Helensburgh]], Scotland]]
* The [[Beurs van Berlage]] (Amsterdam Stock Exchange), designed by [[Hendrik Berlage]].
* [[Hill House, Helensburgh]], [[Scotland]], designed by [[Charles Rennie Mackintosh]].
* [[St Cyprian's, Clarence Gate]], London, designed by [[Ninian Comper]].
* [[St Ignatius Church, Stamford Hill]], London, designed by [[Benedict Williamson]], first portion.
* [[Juselius Mausoleum]], Pori, Finland, designed by [[Josef Stenbäck]].<ref>{{cite web|url=http://www2.pori.fi/english/tourism/juselius.html|title=The Juselius Mausoleum|publisher=City of Pori|accessdate=2013-11-29|url-status=dead|archiveurl=https://web.archive.org/web/20101222082837/http://pori.fi/english/tourism/juselius.html|archivedate=2010-12-22}}</ref>
* [[Palazzo Castiglioni (Milan)]], Italy, designed by [[Giuseppe Sommaruga]].
* [[Wemyss Bay railway station]] in Scotland, rebuilt by [[James Miller (architect)|James Miller]].
* [[Communal Palace of Buzău]], [[Romania]], designed by [[Alexandru Săvulescu (architect)|Alexandru Săvulescu]] (died [[1902 in architecture|1902]]).
* [[22, Rue du Général de Castelnau]] in [[Strasbourg]], France, designed by Franz Lütke and Heinrich Backes.
* [[56, Allée de la Robertsau]] in Strasbourg, designed by Lütke and Backes.