Multifunctional center located on the corner of Roelof Hartplein, Joh. M. Coenenstraat and Bronckhorststraat in Amsterdam. It was originally a girls’ house (guesthouse for singles), where unmarried women lived, but also unmarried men. Many nurses who worked in the Onze Lieve Vrouwe Gasthuis also stayed here. It is a national monument. NEN measurements carried out by MeetAtelier (part of IGG construction economy).