Fotheringhay Castle bridge. Little is known about the structural history of the castle while Langley was the owner in the 14th century; however, it is thought that he was responsible for building the outer bailey and partially filling the eastern part of the ditch surrounding the motte. The motte is in diameter at the base and across the flat top, some above ground level. The inner bailey is broadly rectangular and measures approximately . Fotheringhay Castle Fotheringhay Castle (also Fotheringay Castle) was in the village of Fotheringhay to the north of the market town of Oundle, Northamptonshire (). It was probably founded
L-plan castle was modified as a high Middle Ages L-plan towerhouse; Balingarry Castle is located in the town of Balingarry. Gleninagh Castle is a 16th-century towerhouse in a state of partial preservation. The L-plan design is also present in Rathmore Castle in County Meath. As an eastern European example, one may look to Ilmov County, Romania to Herasti Castle, which includes elements of Italian Renaissance design. In Cagliari, Sardinia are two surviving structures known as the Pisan Towers. Each of these towers, as well as a third structure destroyed by English and Spanish naval power, is an L-plan design. The structures date