● Belgium

Three regions, three rulebooks

Residential leases have been regional since 2017. What follows is what actually differs between Brussels, Flanders and Wallonia.

BrusselsFlandersWallonia
Rental deposit, maximum2 months3 months2 months
Short lease, renewalsMore than twice possibleOnce, 3 years total maximumMore than twice possible
RegistrationFree, within 2 months, landlord’s dutyFree, within 2 months, landlord’s dutyFree, within 2 months, landlord’s duty
If the lease is not registeredTenant notice drops to zeroTenant notice drops to one monthTenant notice drops to zero
IndexationHealth index, once a year, capped by EPCHealth index, once a year, capped by EPCHealth index, once a year, capped by EPC

Written in August 2026. Regional rules move: check the official source of your region before relying on a figure. Proporio applies the rules of the region each property sits in.