Does SY22 flood?

Yes — parts of the SY22 district carry real flood risk: 4 of its 8 at-risk postcodes reach the Environment Agency's High likelihood band. The SY22 postcode district covers Llanymynech, Llanfyllin, Llandysilio, Llandrinio, close to Llanyblodwel, Maesbrook, Crewgreen, and surrounding villages in parts of Shropshire and Powys.

8 postcodes in the SY22 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 4 high, 4 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 SY22 postcodes are at risk?

SY22 6EG up to High SY22 6LH up to High SY22 6LQ up to High SY22 6QY up to High SY22 6ED up to Low SY22 6EJ up to Low SY22 6EQ up to Low SY22 6LG up to Low

Rivers and flooding history near SY22

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

Llanyblodwel on the River Tanat — 2.6 km away, highest on record 2.68m
Maesbrook on the Flood Channel — 4.8 km away, highest on record 1.75m
Crew Green on the River Severn — 8.6 km away, highest on record 6.58m
Cae Howel on the New Cut — 9.4 km away, highest on record 6.27m

421 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (125 at warning level or above), most recently 16 March 2026. Warnings cover flood areas, not individual addresses.

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

Upper Severn - February 2004 (2004) — about 1.5 km from the centre

🏠 Buying or renting in SY22? 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

SY21 SY15 SY14 SY13 SY12 SY11 SY10 SY9

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.