The remains of the farmhouse Ca l'Oller, built at the foot of Rec Barcelona are the only remaining one in Trinidad but, as both Can Oller, like all houses and churches in the area were destroyed during Peninsular war (1808-1814) by Napoleon's troops.
In 2005, during the extension works Vella Municipal Sports Complex in Trinidad, became a full excavation of the remains of arquològica farmhouse Ca l'Oller. The findings documented on the site of Ca l'Oller belonging to three chronological moments: the s. Seventeenth century. XVIII, and the end of the century. XIX - early s. XX.
You can see documentaciócompleta excavation at the following link: http://cartaarqueologica.bcn.cat/Docs/81/2010_06_11_12_17_40_Mem%C3%B2ria%20259-05.pdf.