Seeki.eu lists 1,000+ properties for sale and 250+ to rent in Chartres.
The median asking price is €215,000, or €3,159 per m² on a typical 72 m², across sale listings that publish both a price and a floor area.
On the rental side, the median asking rent for an apartment is €670 a month, across apartment rentals that publish both a price and a floor area.