Seeki.eu lists 4+ properties for sale and 2+ to rent in Valderrobres / Vall de Roures.
The median asking price is €155,000, or €784 per m² on a typical 266 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 €325 a month, across apartment rentals that publish both a price and a floor area.