Belfius is not here but 6 avenue Carton de Wiart. 
21 and 22 are the same house. 21 on the map is 20. Then house 21-22. 

19 = Beek Alimentation Shop (food store)
20 = Snack Belgica
21-22 = Mutualia Symbio (Mutuality) 
23 = Coiffure Belgica
24 = Zak (Mobile phone store)