Why Does Brussels Town Hall Only Open on Certain Days Each Week?
Viewing the Grand-Place and the Town Hall's exterior is entirely free, but touring the interior requires a ticket, €15 for general adult admission, €8 for seniors and students, €6 for ages 7-18 and visitors with disabilities, and free for children up to 6. The building is genuinely not open daily: it's open Sunday, Monday, and Wednesday from 11 a.m. to 5 p.m., and Friday and Saturday from 3 to 7 p.m., a specific, easy-to-miss schedule worth checking directly against a Brussels visit's exact dates.
Why the specific open days are the single most important detail here
The Town Hall's interior isn't open daily, and it isn't even closed on a single predictable day the way many European sites are, it's open Sunday, Monday, and Wednesday on one schedule and Friday and Saturday on a completely different, later one, with no interior access at all on Tuesday or Thursday. That's worth checking directly against a Brussels trip's exact dates before assuming the Town Hall will simply be open whenever a visitor happens to walk by.
Why the two different time windows matter for same-day planning
Because Sunday, Monday, and Wednesday run 11 a.m. to 5 p.m. while Friday and Saturday run 3 to 7 p.m., a visitor planning a Town Hall stop needs to check which specific day of the week applies, not just whether the building is generally "open," since arriving at 11 a.m. on a Saturday would mean waiting hours for the later opening time.
Why the reduced-rate tiers are worth checking against a traveling group
The €8 senior and student rate and the €6 rate for ages 7 to 18 and visitors with disabilities represent genuine, meaningful discounts off the €15 standard price, worth confirming against each member of a group individually rather than assuming a single flat price applies across everyone.
Why the square itself remains worth visiting regardless of Town Hall hours
Because the Grand-Place is free and open at all times, a visitor arriving on a day or time the Town Hall interior happens to be closed still has a genuinely complete experience simply walking the square and viewing the eclectic mix of buildings from outside.
What This Means for Planning a Town Hall Visit
The practical takeaway is that the Town Hall's genuinely unusual, day-specific schedule needs to be checked directly against a Brussels trip's exact dates, since there's no simple weekly-closure-day rule to rely on. Given the free, always-open Grand-Place itself remains a complete experience on its own, a mismatched Town Hall schedule isn't a reason to skip the square entirely, just a reason to plan the interior tour specifically around its actual hours.