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Does YO1 9PL flood?

York

Up to Low likelihood

Properties in YO1 9PL sit in the Environment Agency's Low flood-likelihood band (worst property). The band is the worst found in the postcode — it describes the land around properties (defence-adjusted, rivers & sea), not any single address, and not today's conditions.

Likelihood bandAnnual chancePropertiesOf which homes
Highgreater than 3.3%00
Medium1% – 3.3%00
Low0.1% – 1%10
Very lowbelow 0.1%00

Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.

The ground around YO1 9PL

The ground here sits at about 11 m above sea level and falls 19 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the east, 4.8 m higher.

Shaded relief map of the ground around YO19PL, computed from Environment Agency LiDAR. The ground here sits at about 11 m above sea level and falls 19 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the east, 4.8 m higher.
Shaded relief of the bare ground within about 400 m of YO1 9PL, computed from the Environment Agency's published LiDAR terrain survey. The ring marks the postcode centre, not a property. This shows the shape of the land, not a flood map — it does not include drains, culverts, walls or kerbs, and the official likelihood band above is the authoritative figure. © Environment Agency copyright and/or database right 2022. All rights reserved.
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Get the full flood report for YO1 9PL — £19 Free preview first · instant access · no account needed The detail below — flood history, warnings, rivers, overflows — is part of FloodRadar's property flood-risk report. The official band above is free; the preview shows more before you decide.

Inside the full report for YO1 9PL

FloodRadarProperty Flood-Risk Report
YO1 9PL
Moderate flood risk — investigate further

Because properties in the low likelihood band; 3 recorded floods nearby; 590 official warnings since 2006.

C Today — indicative grade (A best → E)
··· By the 2050s — EA climate scenario (in the full report)
⚑ Official warning within 10 km: Yes ⚑ Recorded flood nearby: Yes ⚑ Flood defences within 500 m: Yes ⚑ In flood zone 2 or 3: ···
Rivers & sea
Up to Low
Surface water
···
Groundwater
Not assessed
Historic flooding
Recorded nearby
Warning history · flood map with building picker · 2050s view · insurance outlook · every dataset receipt — 18 sections

Flood-risk map of this area

Environment Agency flood-likelihood cells
High (>3.3%/yr) Medium Low Very low Marker = postcode centre Base map © OpenStreetMap contributors

The map above shows the real EA rivers & sea likelihood cells around YO1 9PL. The small panels are illustrative previews of the report's per-layer map views — the full report draws each layer for real, plus recorded extents, defences and a building picker on an interactive map.

Official flood warnings near YO1 9PL

590
flood alerts & warnings within 10 km since 2010
390
of them full flood warnings or severe warnings
2026
most recent warning nearby (2026-03-26)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

DateRecorded floodApprox. distance
Feb 2022 2022 February Flood Incident -Storm Dudley, Eunice and Franklin ~36.5 km
Jan 2021 2021 January Flood Incident - Storm Christoph ~28.4 km
Feb 2020 2020 February Flood Incident - Storm Dennis ~24.9 km

EA Recorded Flood Outlines — absence of a record never proves a place has not flooded. The full report tests whether any extent covered the exact spot.

Named storms that brought flooding here

2013-14 UK winter floods (2013, 23 warnings nearby) · Christoph (2021, 15 warnings nearby) · Dennis (2020, 8 warnings nearby) · Franklin (2022, 8 warnings nearby)

The rivers that matter for YO1 9PL

GaugeRiverDistanceTypical highHighest on record
York Castle Mills Sluices River Foss 0.1 km 7.80 m 9.28 m
York Foss Barrier Browney Dyke 0.3 km 6.95 m 9.24 m
York Foss Barrier River Ouse 0.3 km 7.90 m 10.20 m
Viking Recorder River Ouse 0.7 km 1.90 m 5.40 m

Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.

Storm overflows within 5 km

OverflowDischarges intoDistanceSpillsHours
Walmgate Cso Tang Hall Beck 0.2 km 18 (2024) 25
Piccadilly Cso River Foss 0.3 km 0 (2024) 0
Castle Mills Cso River Ouse 0.3 km 6 (2024) 0
Skeldergate Bridge Cso River Ouse 0.3 km 48 (2024) 12

Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.

Flood defences

39 mapped flood-defence assets within 500 m — nearest ~69 m (natural high ground, wall, engineered high ground, demountable defence). Defences reduce risk, never remove it.

What the full property report adds

The interactive flood-risk map with a building picker (your exact house, not the postcode), the 2050s climate view, surface-water and planning flood zones at your building, exact recorded-flood distances, year-by-year warning charts, watercourses including culverted streams, an insurance outlook with the Flood Re rules, and a printable document with every dataset receipt — start with the free preview, unlock for £19.

Flood risk at nearby postcodes

YO1 9AA up to Medium YO1 9AD up to Low YO1 9AE up to Medium YO1 9AF up to Medium YO1 9AG up to Medium YO1 9NX up to Medium YO1 9PA up to Medium YO1 9PB up to Medium YO1 9PD up to Medium YO1 9PG up to Medium YO1 9PN up to Medium YO1 9PP up to Medium

At-risk postcodes near YO1 9PL — all in the YO1 district.

© 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. Place names: Contains OS data © Crown copyright and database rights 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0. Recorded Flood Outlines and warning history © Environment Agency copyright and/or database right 2025. Storm-overflow figures: EA Event Duration Monitoring. Flood defences © Environment Agency (OGL v3). This page summarises public area-level data — it is not a flood-risk survey and not a substitute for the official GOV.UK service. All data sources & licences. More postcodes: the YO1 district.