Devon flood risk 2026
Gera Flood Exposure Score & home insurance context
What is the flood risk in Devon?
Devon has a Gera Flood Exposure Score of 7/10 (High), based on 156 Environment Agency flood warning areas attributed to the county. The GFES is a 1–10 index of EA flood warning area density per English county, from the EA Flood Monitoring API (OGL v3.0), as of June 2026.
| Metric | Value |
|---|---|
| Gera Flood Exposure Score (GFES) | 7 / 10 |
| Risk band | High |
| EA flood warning areas | 156 |
| EA operational region | Devon and Cornwall |
| National rank | 5 of 151 counties |
| Data as of | June 2026 |
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Compare Devon to any other English county, or recalculate for a different area.
Gera Flood Exposure Score (GFES)
7 / 10
High flood exposure
Devon — flood risk summary
- EA Flood Warning Areas
- 156
- EA Region
- Devon and Cornwall
- GFES / 10
- 7
- Risk band
- High
What this means for your home insurance
Devon has a High GFES (7/10). Many properties in high-scoring counties are in or near EA flood zones. Checking your specific address via the EA Long Term Flood Risk service is recommended before comparing insurance quotes.
Source: Environment Agency Flood Monitoring API (OGL v3.0), June 2026. The GFES measures EA flood warning area density per county — see full methodology.
Frequently asked questions
- What is the flood risk in Devon?
- Devon has a Gera Flood Exposure Score (GFES) of 7/10 — rated High. The score is based on 156 EA flood warning areas in the county (Environment Agency Flood Monitoring API, OGL v3.0, June 2026). A score of 10 is the highest in England (North Yorkshire).
- How many EA flood warning areas does Devon have?
- As of June 2026, the Environment Agency has designated 156 flood warning areas attributed to Devon. These are the zones the EA monitors for river and sea flooding risk. The data comes from the EA Flood Monitoring API (OGL v3.0).
- Will my home insurance be affected by flood risk in Devon?
- A GFES of 7/10 in Devon indicates high flood exposure. Insurers factor flood zone classification and proximity to water into home insurance pricing. The GFES is a county-level index — your individual property risk may differ. Check your specific address via the free EA Long Term Flood Risk service before comparing quotes.
- Which EA region covers Devon?
- Devon falls primarily within the Devon and Cornwall Environment Agency operational area. EA regions manage flood monitoring, alerting, and risk management for their geography.
- How does Devon compare to other counties?
- Devon ranks 5 of 151 counties by GFES. The highest-scoring county in England is North Yorkshire (GFES 10/10, 238 EA flood areas). Compare all counties at gerasure.com/flood-risk-by-area.
Counties with similar flood exposure
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Contains public sector information published by Environment Agency and licensed under the Open Government Licence v3.0. Source: Environment Agency Flood Monitoring API — Flood Warning Areas (June 2026, published 20 June 2026).
The GFES is a county-level density index — it does not replace an individual property risk check. Use the free EA Long Term Flood Risk service for property-level assessment. See full methodology.