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Engineers Uncover 150-Year-Old Tunnels Beneath Godstone Sinkhole

Detailed laser surveys with targeted boreholes are mapping the passages to guide repairs slated for completion in December.

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Overview

  • Surrey County Council teams have located a network of eight-metre-deep Victorian sand mining tunnels under Godstone High Street during sinkhole investigations.
  • Specialist laser scanning and borehole testing are under way to chart the 150-year-old passages ahead of final repair designs.
  • More than 30 homes were evacuated after the February collapses and local businesses report revenue drops up to 70 percent during the A25 closure.
  • Temporary water, gas and electric connections remain in place while SES Water provides £100 compensation and waives standing charges for affected households.
  • Authorities aim to finish utility reconnections and full road reconstruction by December 2025 once safety assurances are secured.