It is a former convent of the Congregation of the Daughters of the Cross. In 2009, work to convert it into residental buildings started.
Wikipedia (German) http://de.wikipedia.org/wiki/Kloster_St._Raphael
More information at raphaelhoefe-soers.de (German) http://www.raphaelhoefe-soers.de/
Address 4 Raphaelshöfe, Aachen 52070, Germany
Coordinates 50°47'30.721" N 6°5'0.038" E