Does N9 flood?

Yes — parts of the N9 district carry real flood risk: 17 of its 336 at-risk postcodes reach the Environment Agency's High likelihood band. The N9 postcode district covers Lower Edmonton, Jubilee, Haselbury, close to Edmonton, Winchmore Hill, Walthamstow, and surrounding villages in parts of England and Essex.

336 postcodes in the N9 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 17 high, 38 medium, 210 low, 71 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).

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Which N9 postcodes are at risk?

N9 0BX up to High N9 0EU up to High N9 0EX up to High N9 0HL up to High N9 0HP up to High N9 0HR up to High N9 0HS up to High N9 0LA up to High N9 0LD up to High N9 0LE up to High N9 0LG up to High N9 8HX up to High N9 8JB up to High N9 8JD up to High N9 8JE up to High N9 8JS up to High N9 9PT up to High N9 0AG up to Medium N9 0BD up to Medium N9 0EY up to Medium N9 0HA up to Medium N9 0HB up to Medium N9 0HD up to Medium N9 0HJ up to Medium N9 0LJ up to Medium N9 0RE up to Medium N9 0RF up to Medium N9 0RS up to Medium N9 0RU up to Medium N9 0RX up to Medium N9 0RY up to Medium N9 0SA up to Medium N9 7AB up to Medium N9 7AG up to Medium N9 7AH up to Medium N9 7AJ up to Medium N9 7AL up to Medium N9 7AN up to Medium N9 7AP up to Medium N9 7AR up to Medium N9 7AT up to Medium N9 7AU up to Medium N9 7DZ up to Medium N9 7EQ up to Medium N9 7SA up to Medium N9 8DQ up to Medium N9 8JQ up to Medium N9 8LA up to Medium N9 8LP up to Medium N9 8PT up to Medium N9 8QH up to Medium N9 9PH up to Medium N9 9PX up to Medium N9 9PZ up to Medium N9 9QB up to Medium N9 0AB up to Low N9 0AD up to Low N9 0AE up to Low N9 0AH up to Low N9 0AJ up to Low N9 0AP up to Low N9 0AS up to Low N9 0AX up to Low N9 0AY up to Low N9 0BF up to Low N9 0BG up to Low N9 0BJ up to Low N9 0BY up to Low N9 0DB up to Low N9 0DD up to Low N9 0DG up to Low N9 0DH up to Low N9 0DJ up to Low N9 0DL up to Low N9 0DP up to Low N9 0DS up to Low N9 0DT up to Low N9 0DU up to Low N9 0DX up to Low N9 0EL up to Low N9 0EN up to Low N9 0ER up to Low N9 0ET up to Low N9 0FG up to Low N9 0HH up to Low N9 0HT up to Low N9 0HU up to Low N9 0JE up to Low N9 0JG up to Low N9 0JH up to Low N9 0JJ up to Low N9 0JN up to Low N9 0JP up to Low N9 0JR up to Low N9 0JS up to Low N9 0JT up to Low N9 0JU up to Low N9 0JX up to Low N9 0JY up to Low N9 0LB up to Low N9 0LH up to Low N9 0LL up to Low N9 0LN up to Low N9 0LP up to Low N9 0LQ up to Low N9 0LT up to Low N9 0LU up to Low N9 0NU up to Low N9 0PA up to Low N9 0PD up to Low N9 0PF up to Low N9 0PT up to Low N9 0PU up to Low N9 0PZ up to Low N9 0QA up to Low N9 0RJ up to Low N9 0RL up to Low N9 0RN up to Low N9 0RP up to Low N9 0RR up to Low N9 0RT up to Low N9 0RW up to Low N9 0SB up to Low N9 0SE up to Low N9 0TT up to Low N9 0UR up to Low N9 0UT up to Low N9 0UU up to Low N9 0UX up to Low N9 0UY up to Low N9 0UZ up to Low N9 0XN up to Low N9 7AE up to Low N9 7AS up to Low N9 7AW up to Low N9 7AX up to Low N9 7AY up to Low N9 7BD up to Low N9 7BE up to Low N9 7BG up to Low N9 7BH up to Low N9 7BW up to Low N9 7EE up to Low N9 7EL up to Low N9 7EN up to Low N9 7HL up to Low N9 7HU up to Low N9 7HX up to Low N9 7JD up to Low N9 7JP up to Low N9 7JR up to Low N9 7JS up to Low N9 7JT up to Low N9 7JU up to Low N9 7NU up to Low N9 7NX up to Low N9 7NY up to Low N9 7PA up to Low N9 7PT up to Low N9 7PU up to Low N9 7PZ up to Low N9 8AJ up to Low N9 8BB up to Low N9 8BD up to Low N9 8BE up to Low N9 8BF up to Low N9 8BG up to Low N9 8BH up to Low N9 8BT up to Low N9 8DD up to Low N9 8DR up to Low N9 8DS up to Low N9 8DT up to Low N9 8DU up to Low N9 8DX up to Low N9 8DY up to Low N9 8DZ up to Low N9 8EA up to Low N9 8EB up to Low N9 8ED up to Low N9 8EG up to Low N9 8EH up to Low N9 8EP up to Low N9 8ES up to Low N9 8EX up to Low N9 8EY up to Low N9 8HA up to Low N9 8HB up to Low N9 8HD up to Low N9 8HE up to Low N9 8HG up to Low N9 8HH up to Low N9 8HJ up to Low N9 8HL up to Low N9 8JA up to Low N9 8LB up to Low N9 8LE up to Low N9 8LG up to Low N9 8LH up to Low N9 8LJ up to Low N9 8LL up to Low N9 8LN up to Low N9 8LQ up to Low N9 8LR up to Low N9 8LS up to Low N9 8LT up to Low N9 8LU up to Low N9 8LW up to Low N9 8LX up to Low N9 8LY up to Low N9 8LZ up to Low N9 8NA up to Low N9 8NB up to Low N9 8ND up to Low N9 8NE up to Low N9 8NG up to Low N9 8NN up to Low N9 8NP up to Low N9 8NR up to Low N9 8NT up to Low N9 8NU up to Low N9 8NW up to Low N9 8NX up to Low N9 8PP up to Low N9 8PR up to Low N9 8PS up to Low N9 8PU up to Low N9 8PX up to Low N9 8PY up to Low N9 8QA up to Low N9 8QD up to Low N9 8QG up to Low N9 8QJ up to Low N9 8QL up to Low N9 8RP up to Low N9 8RR up to Low N9 8RS up to Low N9 8RT up to Low N9 8UB up to Low N9 8UH up to Low N9 8UL up to Low N9 9AA up to Low N9 9DD up to Low N9 9DF up to Low N9 9DG up to Low N9 9DH up to Low N9 9DL up to Low N9 9DQ up to Low N9 9EB up to Low N9 9EE up to Low N9 9EF up to Low N9 9EX up to Low N9 9EY up to Low N9 9EZ up to Low N9 9GA up to Low N9 9HA up to Low N9 9PG up to Low N9 9PJ up to Low N9 9PL up to Low N9 9PQ up to Low N9 9PS up to Low N9 9PU up to Low N9 9QA up to Low N9 9XB up to Low N9 9XD up to Low N9 0BA up to Very low N9 0DA up to Very low N9 0DN up to Very low N9 0FN up to Very low N9 0FP up to Very low N9 0FQ up to Very low N9 0FT up to Very low N9 0GQ up to Very low N9 0JA up to Very low N9 0JB up to Very low N9 0JD up to Very low N9 0JL up to Very low N9 0LR up to Very low N9 0LX up to Very low N9 0LY up to Very low N9 0NA up to Very low N9 0RH up to Very low N9 0SG up to Very low N9 0SJ up to Very low N9 0SL up to Very low N9 7AF up to Very low N9 7BA up to Very low N9 7BF up to Very low N9 7BJ up to Very low N9 7DW up to Very low N9 7DY up to Very low N9 7EF up to Very low N9 7HY up to Very low N9 7JA up to Very low N9 7JB up to Very low N9 8AH up to Very low N9 8AU up to Very low N9 8BA up to Very low N9 8BJ up to Very low N9 8DA up to Very low N9 8DN up to Very low N9 8EJ up to Very low N9 8EL up to Very low N9 8EU up to Very low N9 8HN up to Very low N9 8HP up to Very low N9 8HY up to Very low N9 8JG up to Very low N9 8JH up to Very low N9 8JJ up to Very low N9 8JN up to Very low N9 8JP up to Very low N9 8JR up to Very low N9 8LD up to Very low N9 8QB up to Very low N9 8QY up to Very low N9 8RA up to Very low N9 8RB up to Very low N9 8RD up to Very low N9 8RE up to Very low N9 8RH up to Very low N9 8RJ up to Very low N9 8RL up to Very low N9 8RN up to Very low N9 8UD up to Very low N9 8UE up to Very low N9 8UF up to Very low N9 8UG up to Very low N9 8UJ up to Very low N9 9FA up to Very low N9 9HU up to Very low N9 9HX up to Very low N9 9JX up to Very low N9 9JY up to Very low N9 9LA up to Very low N9 9XE up to Very low

Rivers and flooding history near N9

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

149 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (10 at warning level or above), most recently 27 August 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in N9? 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

N10 N11 N12 N13 N14 N15 N3 N16

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.