Built in the late 14th century, Arnside tower is unique amongst the pele towers and tower houses of Cumbria and the South Lakes area, in that it is a free standing tower that never had any surrounding buildings attached to it. It's seen its fair share of disaster and damage as well. It was seriously burnt in 1602, and suffered disastrous damage after a storm in 1884. The fire in the early part of the 17th century caused significant damage, although the structure was important enough for repairs to be made.
It was occupied until the 1680's, after which, the roof timbers were removed to Beetham and Knowsley. The storm, in 1884, almost totally destroyed the internal cross wall, causing the South West wall to collapse.
The walls that exist today, are around 1.2metres thick, maybe too slight for the tower to be truly classified as a 'pele tower'. Arnside is one of a number of towers that can be found around the Morecambe bay area.