Projects · Flood & Coastal
Runnymede & Spelthorne, Surrey·In developmentFlood & Coastal
River Thames Scheme
- StageMid-project review concluded (May 2026) with no change to the flood defence design; project reset under way
- Next milestoneDefra and HM Treasury approval of revised outline business case
- Last checked1 November 2026
What has changed on this project, and when
- Next milestone: Defra and HM Treasury approval of revised outline business case2 November 2026 · previously: Secure funding/consents and appoint construction partner
- Stage: Mid-project review concluded (May 2026) with no change to the flood defence design; project reset under way2 November 2026 · previously: pipeline
- Status: In development2 November 2026 · previously: At tender
- Value: Not disclosed2 November 2026 · previously: ~£640m
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