 It is possible that the European Council may have to move to this area from the Europa building for security reasons.The concentration of offices in the main quarter has led to increase real estate prices due to the increased demand and reduced space.In response to this problem the Commission has, since 2004, begun decentralising across the city to areas such as avenue de Beaulieulaan in Auderghem and rue de Genèvestraat in Evere.