Missing building parts / extensions.
https://www.openstreetmap.org/way/757054358/history

- Visible directly north of gate as extended southern slope of roof.
https://www.mapillary.com/app/?pKey=918304959067098&focus=photo

- Visible directly south of eastern half as rectangular extension with gabled roof, at southwestern corner adjacent to a wall running south to
https://www.openstreetmap.org/way/757054363

Source: Esri Clarity, Esri, Mapillary