Tickets Alert: Visit the Chatley Heath semaphore tower

A unique remnant from the Napoleonic era, the only surviving semaphore tower in Britain can be found next to the M25 and is having an open weekend in June.
(c) Landmark Trust
It was once a cutting-edge building at the forefront of technology and design, a vital link in a signalling chain that transmitted semaphore messages from Admiralty House in London to Portsmouth Docks in just a few minutes. Once semaphores went the way of the Dodo, it was occupied as a home until the 1960s, and was badly da