Hubbard also suggested that Douglas' plan of a house with irregular gables and a tower grouped round a courtyard may have been inspired by nearby Lancashire medieval houses with pele towers, such as Borwick Hall.
It is claimed by some historians that the hall was originally a pele tower dating from the 12th century.
In the upper Tweed valley, going downstream from its source, they were as follows: Fruid, Hawkshaw, Oliver, Polmood, Kingledoors, Mossfennan, Wrae Tower, Quarter, Stanhope, Drumelzier, Tinnies, Dreva, Stobo, Dawyck, Easter Happrew, Lyne, Barnes, Caverhill, Neidpath, Peebles, Horsburgh, Nether Horsburgh Castle, Cardrona.
The north front comprises a central three-storey fourteenth century pele tower with a taller circular stair turret and two-storey ranges linking it to the 1558 'Bess of Hardwick Building' to the left and a four bay 1858–1860 servants' wing of three storeys to the right.
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It was sold in 1611 to Lord William Howard, the third son of Thomas Howard, 4th Duke of Norfolk, who added a 2 storied L-shaped house onto the peel tower.
The radio station was given the name "Tower" as a local link to both towns in the station's coverage area; Turton Tower in Bolton and Peel Tower on Holcombe Hill at Ramsbottom near Bury.