The rectangular building is made of massive walls with simple Baroque windows and has a saddleback roof. An external staircase, attached diagonally to the western facade, gives access to the women's gallery. Several oval ventilation openings in the gable are typical for the local architecture of the region.
The interior consists of the main prayer hall with a vestibule and study-room to the west. Above these is the women's prayer room. The prayer hall is of the nine-field (nine-bay) type, In these halls the vaulting rests on four tall pillars and on corresponding wall pilasters. The columns and the pilasters are situated in equal spacing and dividing the roof-area into nine equal fields. In these synagogues the bimah is a free-standing podium or a bower situated within the central field between the pillars. The Stupava synagogue and the Bardejov Old Synagogue are the only two surviving buildings of this type in Slovakia.
The dilapidated building has been restored since 2008 is being used for cultural purposes of the Slovak Jewish community.
- Maria und Kazimierz Piechotka: Landscape With Menorah: Jews in the towns and cities of the former Rzeczpospolita of Poland and Lithuania. Salix alba Press, Warsaw 2015. Page 75. ISBN 978-83-930937-7-9
- http://archiv.ub.uni-heidelberg.de/volltextserver/5839/2/Borsky_Maros_Synagogue_Architecture_in_Slovakia_text_for_www.pdf Maroš Borský: Synagogue Architecture in Slovakia Towards Creating a Memorial Landscape of Lost Community Dissertation an der Hochschule für Jüdische Studien Heidelberg 2005, Page 134, 135. All informations. Last accessed 18. June 2020.
- http://www.slovak-jewish-heritage.org/stupava-synagogue.html?&L=0%27%22 Information about restoration. Last accessed 18. June 2020
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