It hosts the Château de Flers museum and the tourism office of Villeneuve d'Ascq city.
The château, entrusted to the care of the former gardener, fell in disrepair and was eventually converted into a farmhouse (La ferme d'en bas).
In 1937, Paul Delesalle-Dewas sold the château to the De Diesbach family.
[1] In 1969 it was purchased by the State of France, in 1973 it passed to the commune, and in 1986 to the city of Villeneuve d'Ascq.
The museum hosts also temporarily exhibitions, about archeology, local history and regional ethography.