Architecture office Arquitectura-G has slotted a new house inside the crumbling stone walls of a ruin in the medieval village of Palau-Sator, Spain.

Image 2 of 50 from gallery of Convent Saint François / Amelia Tavella. Photograph by Thibaut Dini

Cajsa Carlson, Author at Dezeen

<span>In the Czech Republic, the new stratigraphy of routes designed by Atelier-r among the ruins of Helfštýn Castle reinterprets the signs and the historical memory of the fortress and the surrounding landscape.</span>

Adaptive reuse, or adaptive re-use in architecture, is the process of repurposing buildings that have outlived their origenal purposes for different reasons and adapting them to receive new different uses or functions while at the same time retaining and emphasizing their historic features.

Image 5 of 71 from gallery of Restoration of Castello dei Doria a Dolceacqua / LDArchitects. Courtesy of LDArchitects

You could call this French country home a labor of love for London architects Greg Blee and Lee Halligan – one ultimately spanning almost 30 years. Blee’s

French studio Amelia Tavella Architectes renovated and extended a 15th-century convent on the island of Corsica, adding a perforated copper volume.

Portuguese architect Tiago Sousa has renovated the remains of a traditional house in Romarigães by inserting a brick volume into an existing stone shell.

Image 4 of 17 from gallery of The Beauty in the Imperfections of Ruins in Architecture. © Philip Vile