Risk of Flooding from Rivers and Sea: UK Climate Change Projections

UK flood risk data from the Environment Agency shows the chance of flooding from rivers and the sea, incorporating flood defences and climate change allowances. It presents risk in four likelihood bands, from 'High' (≥3.3% annual chance) to 'Very Low' (<0.1% annual chance), and includes flooding depth likelihoods for five levels. The dataset uses climate change allowances based on UKCP18 projections for the 2050s and 2065.

Use Cases

• Assess property and infrastructure vulnerability based on probabilistic flood risk bandings.
• Model future flood scenarios using climate change allowances for peak river flow and sea level rise.
• Plan community resilience and emergency response based on flooding depth likelihoods (0.2m to 1.2m).
• Validate flood defence performance by identifying risk areas behind existing defences.

Strengths

• Risk is quantified using four specific annual probability bands, with thresholds defined (e.g., High ≥3.3%).
• Includes climate change projections based on the latest UK Climate Projections (UKCP18) for the 2050s and 2065.
• Provides flooding likelihood for five specific depth levels: 0.2m, 0.3m, 0.6m, 0.9m, and 1.2m.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The preview is complex and available only on certain zoom levels, with services set to a 1:50,000 scale.

Provenance

Source

Environment Agency

Collection Method

Probabilistic modeling of flood risk incorporating flood defences and climate change allowances.

Time Range

Climate change projections for the 2050s epoch (2040-2069) for rivers and to 2065 for sea level rise.

Freshness

Last updated 2026-06-19 13:47:28.998035; freshness should be verified.

Geography

United Kingdom