Llangollen Canal part of the London Midland and Scottish Railway soon afterwards. After the takeover by the London Midland and Scottish Railway, regular maintenance was often not carried out, and gradually the canals silted up, so that boats could not operate with full loads. Traffic declined, and was significantly affected by a breach that occurred at the Perry Aqueduct, about to the south of Frankton locks, which effectively closed the Montgomeryshire Canal to all traffic. Traffic beyond Frankton to Llangollen had ceased in 1937, and the Frankton to Hurleston section was not used after 1939. The London Midland and Scottish Railway obtained
Llangollen Farm the years, portions of the Llangollen estate were sold off and in the first part of the 19th century it was owned by Cuthbert Powell who died there in 1849. By 1930, only remained when it was purchased by John Hay "Jock" Whitney as a wedding gift for his fiancée, Mary Elizabeth "Liz" Altemus. Involved with show horses from a young age, Liz Whitney spent a great deal of money turning Llangollen into a major breeding and training center for hunt horses as well as for Thoroughbreds for flat racing and steeplechase events. She renovated and expanded the manor house