London Road Deep Shelter, Portsmouth

London Road Shelter in the Portsdown area of Portsmouth was constructed as a shelter during the second world war. The second deep shelter of its type in Portsmouth it was designed to hold 2’500 people with a contingency for another 1’500 at absolute full capacity. The tunnels are bulit into the surrounding white chalk hills. The shelter contained many amenities such as toilets, kitchens and recreational areas for chilrdren.  The tunnels have been abandoned and sealed/backfilled since the end of the second world war.


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  1. 3 entrances, guessing one has been opened slightly?

  2. Did anyone find a open entrance went to explore the ww2 radio station in Portsdown Hill yesterday planning on trying to get in here aswell and help would be appreciate

  3. Urbanhistroyx

    It is accessible but you’d never find the entrance I went yesterday a lot of the entrances are backfield but there is still access good luck on finding it

  4. Is this accessible

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