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Does YO23 flood?

Yes — parts of the YO23 district carry real flood risk: 63 of its 173 at-risk postcodes reach the Environment Agency's High likelihood band. The YO23 postcode district covers Bishopthorpe, Appleton Roebuck & Church Fenton, Micklegate, Copmanthorpe, close to Naburn, Nun Appleton, Bolton Percy, and surrounding villages in parts of York and North Yorkshire.

173 postcodes in the YO23 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 63 high, 46 medium, 62 low, 2 very 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 YO23 postcodes are at risk?

YO23 1AN up to High YO23 1AR up to High YO23 1AS up to High YO23 1AT up to High YO23 1AY up to High YO23 1FG up to High YO23 1JE up to High YO23 1JF up to High YO23 1JU up to High YO23 1JY up to High YO23 1LB up to High YO23 1LE up to High YO23 1LG up to High YO23 1LN up to High YO23 1LR up to High YO23 1LS up to High YO23 1PH up to High YO23 1PL up to High YO23 1PN up to High YO23 2GE up to High YO23 2LX up to High YO23 2PY up to High YO23 2QA up to High YO23 2QD up to High YO23 2QE up to High YO23 2RA up to High YO23 2SA up to High YO23 2SB up to High YO23 2SD up to High YO23 2SE up to High YO23 2TR up to High YO23 2TZ up to High YO23 2UH up to High YO23 2UJ up to High YO23 2UL up to High YO23 2UQ up to High YO23 2XB up to High YO23 2XD up to High YO23 3TE up to High YO23 7AA up to High YO23 7AB up to High YO23 7AF up to High YO23 7AL up to High YO23 7AN up to High YO23 7AP up to High YO23 7AR up to High YO23 7AS up to High YO23 7AW up to High YO23 7BA up to High YO23 7BE up to High YO23 7BG up to High YO23 7BH up to High YO23 7BJ up to High YO23 7BP up to High YO23 7BQ up to High YO23 7BW up to High YO23 7DD up to High YO23 7DF up to High YO23 7DH up to High YO23 7DJ up to High YO23 7DL up to High YO23 7EE up to High YO23 7EF up to High YO23 1AZ up to Medium YO23 1BA up to Medium YO23 2PL up to Medium YO23 2PW up to Medium YO23 2QF up to Medium YO23 2QH up to Medium YO23 2QP up to Medium YO23 2QQ up to Medium YO23 2QR up to Medium YO23 2QT up to Medium YO23 2RB up to Medium YO23 2RD up to Medium YO23 2RE up to Medium YO23 2RF up to Medium YO23 2RG up to Medium YO23 2RJ up to Medium YO23 2RQ up to Medium YO23 2RR up to Medium YO23 2RU up to Medium YO23 2RX up to Medium YO23 2RY up to Medium YO23 2SL up to Medium YO23 2ST up to Medium YO23 2UE up to Medium YO23 3TN up to Medium YO23 7AD up to Medium YO23 7AE up to Medium YO23 7AG up to Medium YO23 7AY up to Medium YO23 7BF up to Medium YO23 7BL up to Medium YO23 7BN up to Medium YO23 7BX up to Medium YO23 7DA up to Medium YO23 7DE up to Medium YO23 7DG up to Medium YO23 7DN up to Medium YO23 7DP up to Medium YO23 7DQ up to Medium YO23 7DR up to Medium YO23 7DS up to Medium YO23 7DW up to Medium YO23 7DZ up to Medium YO23 7EA up to Medium YO23 7HA up to Medium YO23 7HJ up to Medium YO23 1BB up to Low YO23 1BD up to Low YO23 1JW up to Low YO23 1JZ up to Low YO23 1LT up to Low YO23 1LX up to Low YO23 2AA up to Low YO23 2AB up to Low YO23 2AD up to Low YO23 2GF up to Low YO23 2PT up to Low YO23 2PU up to Low YO23 2QG up to Low YO23 2QS up to Low YO23 2RS up to Low YO23 2RZ up to Low YO23 2SH up to Low YO23 2SJ up to Low YO23 2SN up to Low YO23 2SP up to Low YO23 2SS up to Low YO23 2SW up to Low YO23 2TS up to Low YO23 2TT up to Low YO23 2TU up to Low YO23 2TW up to Low YO23 2TX up to Low YO23 2TY up to Low YO23 2UA up to Low YO23 2UF up to Low YO23 2UG up to Low YO23 2UN up to Low YO23 2UP up to Low YO23 2UR up to Low YO23 2US up to Low YO23 2UT up to Low YO23 2UU up to Low YO23 2UW up to Low YO23 2UX up to Low YO23 2UY up to Low YO23 2UZ up to Low YO23 2XA up to Low YO23 2XE up to Low YO23 2YZ up to Low YO23 3QA up to Low YO23 3RA up to Low YO23 3TD up to Low YO23 3TQ up to Low YO23 7AH up to Low YO23 7AJ up to Low YO23 7AQ up to Low YO23 7AU up to Low YO23 7BT up to Low YO23 7BY up to Low YO23 7BZ up to Low YO23 7DT up to Low YO23 7DY up to Low YO23 7EB up to Low YO23 7ED up to Low YO23 7EG up to Low YO23 7EH up to Low YO23 7EL up to Low YO23 2TD up to Very low YO23 3TZ up to Very low

Rivers and flooding history near YO23

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

594 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (426 at warning level or above), most recently 14 March 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in YO23? 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

YO22 YO24 YO21 YO25 YO26 YO19 YO18 YO17

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.