Does HG4 flood?

Yes — parts of the HG4 district carry real flood risk: 44 of its 151 at-risk postcodes reach the Environment Agency's High likelihood band. The HG4 postcode district covers Masham & Fountains, Wathvale & Bishop Monkton, close to Ripon Birkby Nab, Ripon, Sharow, and surrounding villages in North Yorkshire.

151 postcodes in the HG4 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 44 high, 27 medium, 78 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 HG4 postcodes are at risk?

HG4 1HB up to High HG4 1JG up to High HG4 1JJ up to High HG4 1JT up to High HG4 1NJ up to High HG4 1NN up to High HG4 1NW up to High HG4 1QW up to High HG4 1UE up to High HG4 1UG up to High HG4 2PZ up to High HG4 2QR up to High HG4 3DY up to High HG4 3DZ up to High HG4 3ES up to High HG4 3ET up to High HG4 3HJ up to High HG4 3JE up to High HG4 3LR up to High HG4 3NS up to High HG4 3NT up to High HG4 3QP up to High HG4 3QW up to High HG4 3SY up to High HG4 4BB up to High HG4 4DB up to High HG4 4DD up to High HG4 4DS up to High HG4 4DU up to High HG4 4EN up to High HG4 4EP up to High HG4 4ER up to High HG4 4ES up to High HG4 4EX up to High HG4 4EY up to High HG4 4FA up to High HG4 4HA up to High HG4 4LJ up to High HG4 4PH up to High HG4 5AD up to High HG4 5AE up to High HG4 5BQ up to High HG4 5ED up to High HG4 5LF up to High HG4 1AY up to Medium HG4 1DL up to Medium HG4 1HE up to Medium HG4 1LS up to Medium HG4 1NH up to Medium HG4 1NL up to Medium HG4 1NP up to Medium HG4 1NX up to Medium HG4 1PJ up to Medium HG4 1PS up to Medium HG4 1QE up to Medium HG4 1QR up to Medium HG4 1QX up to Medium HG4 1RA up to Medium HG4 1UH up to Medium HG4 1WF up to Medium HG4 2JH up to Medium HG4 3AH up to Medium HG4 3FE up to Medium HG4 3QD up to Medium HG4 3RT up to Medium HG4 4BL up to Medium HG4 4EU up to Medium HG4 4EZ up to Medium HG4 4PA up to Medium HG4 5LD up to Medium HG4 5LE up to Medium HG4 1AH up to Low HG4 1AQ up to Low HG4 1AZ up to Low HG4 1BE up to Low HG4 1BG up to Low HG4 1BQ up to Low HG4 1BU up to Low HG4 1BY up to Low HG4 1FF up to Low HG4 1FJ up to Low HG4 1FN up to Low HG4 1FQ up to Low HG4 1HS up to Low HG4 1HT up to Low HG4 1HW up to Low HG4 1HX up to Low HG4 1HY up to Low HG4 1HZ up to Low HG4 1JL up to Low HG4 1JN up to Low HG4 1JP up to Low HG4 1JU up to Low HG4 1JW up to Low HG4 1JX up to Low HG4 1LH up to Low HG4 1LJ up to Low HG4 1LR up to Low HG4 1LT up to Low HG4 1LU up to Low HG4 1NA up to Low HG4 1NE up to Low HG4 1NG up to Low HG4 1NQ up to Low HG4 1NS up to Low HG4 1PF up to Low HG4 1PH up to Low HG4 1PT up to Low HG4 1PU up to Low HG4 1QD up to Low HG4 1QH up to Low HG4 1QJ up to Low HG4 1QN up to Low HG4 1QQ up to Low HG4 1QU up to Low HG4 1QY up to Low HG4 1SJ up to Low HG4 1SN up to Low HG4 1SR up to Low HG4 1ST up to Low HG4 1SW up to Low HG4 1TL up to Low HG4 1TN up to Low HG4 1TT up to Low HG4 1UF up to Low HG4 1UJ up to Low HG4 1UR up to Low HG4 2PT up to Low HG4 2PW up to Low HG4 2PX up to Low HG4 2TB up to Low HG4 3AL up to Low HG4 3PG up to Low HG4 3SX up to Low HG4 3TD up to Low HG4 4DL up to Low HG4 4DX up to Low HG4 4EH up to Low HG4 4EL up to Low HG4 4HB up to Low HG4 4HD up to Low HG4 4HE up to Low HG4 4LL up to Low HG4 4PJ up to Low HG4 4PQ up to Low HG4 5AA up to Low HG4 5EF up to Low HG4 5EN up to Low HG4 5LN up to Low HG4 1AF up to Very low HG4 1HH up to Very low

Rivers and flooding history near HG4

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

Ripon Birkby Nab on the River Laver — 0.9 km away, highest on record 6.87m
Ripon on the River Laver — 3 km away, highest on record 1.90m
Ripon Ure Bank on the River Ure — 3.4 km away, highest on record 3.86m
Bishop Monkton on the Bishop Monkton Beck — 8.5 km away, highest on record 0.84m

212 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (64 at warning level or above), most recently 25 March 2026. Warnings cover flood areas, not individual addresses.

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

2021 January Flood Incident - Storm Christoph (2021) — about 36 km from the centre
2020 February Flood Incident - Storm Dennis (2020) — about 20 km from the centre
2020 February Flood Incident - Storm Ciara (2020) — about 21.6 km from the centre
2019 November Flood Incident (2019) — about 70.1 km from the centre

Records, not floods: no outline on the record is not evidence a place has not flooded.

🏠 Buying or renting in HG4? 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

HG3 HG5 HG2 HG1

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.