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Tunnelling South

Thanks to London Transport Museum’s Hidden London programme, a number of lost Tube stations and forgotten tunnels are occasionally open to the public. One such gem is clapham South’s deep-level shelter. Descending 180 steps and 36m down you get to an engineering marvel: a series of tunnels built during World War Two to protect London’s citizens during the Blitz. At the height of the Luftwaffe’s bombing raids the Government commissioned 8 shelters, capable of holding some 64,000 citizens and well away from any potential raid. They employed miners to hand dig 2x 30m vertical shafts down. Then the miners created 2 horizontal shafts, each o...