Brocante Bailli-Châtelain 'Le Châtelain sous oxygène'
Car-free neighbourhood day in the Châtelain quarter with a family brocante and activities.
ⓘ Recurring event. The 2026 date is the usual window; confirm the exact date closer to the event.
Activate local retailers and second-hand sellers with a family-friendly, car-free neighbourhood event that drives foot traffic and community engagement in the Châtelain quarter.
- Brocante finds: promote vintage & upcycled goods to eco-conscious shoppers
- Car-free family day: position as sustainable living & local community celebration
- Neighbourhood activation: partner with local shops for cross-promotion during the event
- September weekend escape: highlight family activities & outdoor browsing in a car-free zone
The Bailli-Châtelain neighbourhood brocante has become an annual unmissable meeting point and Brussels's largest brocante. In 2026, after 43 years, it takes place on Sunday 17 May starting at 9am, featuring a newly renovated Châtelain square. The brocante extends across the renovated Châtelain square and surrounding streets: Simonis, Américaine, Aqueduc, Page, Campenhout, Bailli, Faider and the Trinité parvis. [ " Over 2 km of brocante stalls surrounding the Châtelain square, plus a food village and children's activities on the square itself ", " Village amenities: bar, foodtruck, children's games ", " Attracts over 50,000 visitors from the region and beyond ", " Free admission; served by tram 81 or 97, Châtelain stop ", " Features a newly renovated Châtelain square as a centrepiece venue ", "Brussels's largest brocante event with dealers from across Belgium" ]
Sunday 17 May 2026
9h to 18h – 43rd edition of La Brocante des Puces in Bailli/Châtelain quarter, Châtelain square and surrounding streets