Does EX1 flood?

Yes — parts of the EX1 district carry real flood risk: 10 of its 20 at-risk postcodes reach the Environment Agency's High likelihood band. The EX1 postcode district covers Pinhoe, Heavitree, St Loyes, St David's, close to Clyst Honiton, Broadclyst, Exeter, and surrounding villages in Devon.

20 postcodes in the EX1 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 10 high, 10 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

Free preview first · full report £19

Which EX1 postcodes are at risk?

EX1 3DD up to High EX1 3DG up to High EX1 3DH up to High EX1 3EA up to High EX1 3ED up to High EX1 3ET up to High EX1 3FQ up to High EX1 3XA up to High EX1 3XN up to High EX1 3XZ up to High EX1 1BA up to Low EX1 1FE up to Low EX1 3DE up to Low EX1 3QJ up to Low EX1 3QL up to Low EX1 3QR up to Low EX1 3RZ up to Low EX1 3SH up to Low EX1 3YH up to Low EX1 3YW up to Low

Rivers and flooding history near EX1

The rivers that matter here, each monitored live on FloodRadar:

Exeter Heavitree Sweetbriar Lane on the Northbrook — 0.9 km away, highest on record 2.21m
Clyst St Mary Millstream Footbridge on the River Clyst Tributary — 2.6 km away, highest on record 4.44m
Clyst St Mary Millstream Outfall on the River Clyst Tributary — 2.7 km away, highest on record 4.13m
Clyst Honiton on the River Clyst — 3.2 km away, highest on record 2.93m

323 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (130 at warning level or above), most recently 18 February 2026. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

Clyst Honiton Jan 2014 Flood (2014) — about 3 km from the centre
Clyst Honiton (2008) — about 3.2 km from the centre
Clyst St Mary (2008) — about 2.4 km from the centre
R Exe: Unknown dates (2001) — about 4.8 km from the centre

🏠 Buying or renting in EX1? The full property flood-risk report covers any postcode here — the official likelihood band, every recorded flood nearby with distances, warning history year by year, how the local rivers behave, and an insurance outlook, print-ready for £19. See what's in the report →

Flood risk in nearby postcode districts

EX2 EX3 EX4 EX5 EX6 EX7 EX8 EX9

Band = the worst likelihood band of any property in that postcode (EA Risk of Flooding from Rivers & Sea, defence-adjusted, area-level). Check any postcode in detail — or get the full £19 property report — at the property flood-risk report. © Environment Agency copyright and/or database right 2025. All rights reserved. Some features of this map are based on digital spatial data from the Centre for Ecology & Hydrology, © NERC (CEH). © Crown Copyright and Database Rights 2025 OS AC0000807064. This product is produced in part from PAF® and Multiple Residence Data, the copyright in which is owned by Royal Mail Group Limited and/or Royal Mail Group plc. All rights reserved. Licence number AC0000807064.