[1] It was designed in 1755 by architect Daniel Garrett for Sir Walter Blackett, owner of Wallington Hall, from where it is visible on the skyline.

A similar gothic folly, also part of the Wallington estate, is Codger Fort, on crags about a mile north of Rothley Castle.

It is in the form of a triangular gun battery, and was designed by Thomas Wright of Durham.

Both Wallington and Rothley Castle are in the ownership of the National Trust.

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