Overview

• Billings plans to spend an additional £10,000 on food reserves, water and air filtration systems, and reinforced blast doors
• The bunker began as a disused well more than ten years ago and now features a 35ft entrance tunnel leading to a 140ft multi-room facility with a gym, toilet, sink and beer lift
• He has invested around £50,000 to date and says his shelter will not be nuclear-proof and that he is still refining his survival plan
• Inspired by the film The Great Escape, the project reflects a resurgence of individual civil-defence efforts driven by rising global tensions and official advisories
• Billings advises households to keep basic food and water supplies on hand for at least two to three weeks in case of unexpected emergencies