Corporate report

Thames Estuary 2100 15-year monitoring review: non technical summary

Thames Estuary 2100 manages the risk of flooding along the estuary by monitoring how the estuary and climate is changing and adapting to these changes.

• From: Department for Environment, Food & Rural Affairs and Environment Agency
• Published: 6 August 2026

Applies to England

Documents

Thames Estuary 2100: 15-year monitoring review (2026)

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The Thames Estuary 2100 Plan is an adaptive strategy designed to manage tidal flood risk across 27 local council areas from Teddington to Shoeburyness.

The 15-year monitoring review confirmed that:

• the Plan delivers significant socio-economic and environmental protections to the region
• flood defences perform well
• accelerating sea level rise requires increased long-term investment, improved tidal forecasting, and a reassessment of future infrastructure needs

Published 6 August 2026