Tickets Alert: Chatley Heath semaphore tower open weekend

Peeking just above the trees by the M25 on the edge of southwest London is a tall octagonal building built as part of Britain’s defence, and it will be open to the public next weekend (22nd & 23rd June 2024).
Chatley Heath semaphore tower (c) ianVisits
This is the Chatley Heath semaphore tower, a rare survivor of a series of towers built to send signals to/from London and the coast at a time when a Napoleonic invasion was a very real fear.
It was a short-lived idea as the modern telegr