Sandal Castle Sussex and Reigate in Surrey, Castle Acre Castle in Norfolk and Conisbrough in Yorkshire. In 1347, Edward III granted Sandal to his fifth son Edmund of Langley who was six years old at the time. His elder brother John of Gaunt held Pontefract and Knaresborough Castles, Edmund was granted Wark Castle near Coldstream in the Scottish Borders, and in 1377 Fotheringhay Castle in Northamptonshire which was to become his home, and for the next 75 years the family seems to have spent little time at Sandal, leaving it to the management of constables or stewards. In 1385 Edmund was made
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