He gestures to the two-story building which is closer to the castle and says, "That is the servants quarters. We won't be going any closer as we like for our staff to have their privacy."
They then move towards the other building. Inside are a pair of carriages, one open the other closed, with space for a third. As neither were the carriage they took yesterday she assumes it is already on its way back into Paris to retrieve Pepe and Maracita. They enter the building which appears to be a fully-functional carriage house, an assortment of spare wheels and carriage axles, a small blacksmith shop, and various tack and harness.