Tourist tax:  

Châtelet: 25 €, Maison des Douves: 8 €  

Household: 

Châtelet: 85 €, Maison des Douves: 35 €  

Important rules: 

Parties are forbidden 

Number of people allowed day and night: 

Châtelet: maximum 9 people; Châtelet and its annex: maximum 14 people