Does SL6 flood?

Yes — parts of the SL6 district carry real flood risk: 138 of its 572 at-risk postcodes reach the Environment Agency's High likelihood band. The SL6 postcode district covers Riverside, St Mary's, Bray, Bisham & Cookham, close to Maidenhead, Taplow, Egham, and surrounding villages in parts of Windsor and Maidenhead and Buckinghamshire.

572 postcodes in the SL6 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 138 high, 153 medium, 242 low, 39 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 SL6 postcodes are at risk?

SL6 0HJ up to High SL6 0JA up to High SL6 1LH up to High SL6 1SB up to High SL6 1TF up to High SL6 1UE up to High SL6 1UN up to High SL6 1UP up to High SL6 1UT up to High SL6 1XH up to High SL6 1XJ up to High SL6 1XL up to High SL6 1XN up to High SL6 1XZ up to High SL6 2AA up to High SL6 2AE up to High SL6 2DB up to High SL6 2DH up to High SL6 2ED up to High SL6 2ES up to High SL6 2EW up to High SL6 2HY up to High SL6 2HZ up to High SL6 2JB up to High SL6 2JD up to High SL6 2NW up to High SL6 3LQ up to High SL6 3ST up to High SL6 5LT up to High SL6 5LX up to High SL6 5NA up to High SL6 5NB up to High SL6 5ND up to High SL6 5NE up to High SL6 5NF up to High SL6 5NG up to High SL6 7HD up to High SL6 7HE up to High SL6 7HQ up to High SL6 7JG up to High SL6 7JP up to High SL6 7JR up to High SL6 8DN up to High SL6 8DU up to High SL6 8DY up to High SL6 8EN up to High SL6 8EP up to High SL6 8ER up to High SL6 8EW up to High SL6 8FA up to High SL6 8FG up to High SL6 8HA up to High SL6 8HB up to High SL6 8HE up to High SL6 8HF up to High SL6 8HG up to High SL6 8HJ up to High SL6 8HQ up to High SL6 8HZ up to High SL6 8JH up to High SL6 8JR up to High SL6 8JS up to High SL6 8JT up to High SL6 8JW up to High SL6 8JX up to High SL6 8JZ up to High SL6 8LA up to High SL6 8LB up to High SL6 8LD up to High SL6 8LE up to High SL6 8LF up to High SL6 8LG up to High SL6 8LH up to High SL6 8LJ up to High SL6 8LL up to High SL6 8LQ up to High SL6 8LX up to High SL6 8NJ up to High SL6 8NL up to High SL6 8NN up to High SL6 8NP up to High SL6 8NS up to High SL6 8NT up to High SL6 8NU up to High SL6 8PE up to High SL6 8PF up to High SL6 8PL up to High SL6 8PQ up to High SL6 8PS up to High SL6 8PT up to High SL6 8PW up to High SL6 8PX up to High SL6 8PY up to High SL6 8PZ up to High SL6 8QP up to High SL6 8QT up to High SL6 8RA up to High SL6 8RB up to High SL6 8RE up to High SL6 8RG up to High SL6 8RJ up to High SL6 8SJ up to High SL6 8SL up to High SL6 8SN up to High SL6 8SP up to High SL6 8SW up to High SL6 8SY up to High SL6 8TF up to High SL6 8TG up to High SL6 8TS up to High SL6 8TT up to High SL6 8UD up to High SL6 8UE up to High SL6 8UU up to High SL6 9BJ up to High SL6 9DH up to High SL6 9DL up to High SL6 9DN up to High SL6 9DU up to High SL6 9EG up to High SL6 9FY up to High SL6 9QD up to High SL6 9QR up to High SL6 9QS up to High SL6 9QT up to High SL6 9QX up to High SL6 9QZ up to High SL6 9RB up to High SL6 9RD up to High SL6 9RQ up to High SL6 9SA up to High SL6 9SD up to High SL6 9SN up to High SL6 9SR up to High SL6 9SX up to High SL6 9SZ up to High SL6 9TP up to High SL6 9TR up to High SL6 0AB up to Medium SL6 0AD up to Medium SL6 0AG up to Medium SL6 0AP up to Medium SL6 0AT up to Medium SL6 0BG up to Medium SL6 0BN up to Medium SL6 0DL up to Medium SL6 0DX up to Medium SL6 0DZ up to Medium SL6 0EB up to Medium SL6 0EE up to Medium SL6 0EL up to Medium SL6 0EP up to Medium SL6 1TR up to Medium SL6 1TS up to Medium SL6 1TU up to Medium SL6 1UF up to Medium SL6 1UG up to Medium SL6 1UH up to Medium SL6 1UQ up to Medium SL6 1UR up to Medium SL6 1UW up to Medium SL6 1XA up to Medium SL6 1XB up to Medium SL6 1XE up to Medium SL6 1XF up to Medium SL6 1XG up to Medium SL6 1XQ up to Medium SL6 2AD up to Medium SL6 2AT up to Medium SL6 2AW up to Medium SL6 2AX up to Medium SL6 2AY up to Medium SL6 2BG up to Medium SL6 2BH up to Medium SL6 2BJ up to Medium SL6 2BN up to Medium SL6 2BQ up to Medium SL6 2BS up to Medium SL6 2DD up to Medium SL6 2DF up to Medium SL6 2DL up to Medium SL6 2EA up to Medium SL6 2EB up to Medium SL6 2EF up to Medium SL6 2UA up to Medium SL6 3AA up to Medium SL6 5NS up to Medium SL6 7JJ up to Medium SL6 8AL up to Medium SL6 8DB up to Medium SL6 8DH up to Medium SL6 8DS up to Medium SL6 8DX up to Medium SL6 8DZ up to Medium SL6 8EA up to Medium SL6 8EB up to Medium SL6 8ED up to Medium SL6 8EE up to Medium SL6 8EH up to Medium SL6 8EL up to Medium SL6 8EU up to Medium SL6 8EX up to Medium SL6 8EY up to Medium SL6 8EZ up to Medium SL6 8FH up to Medium SL6 8FP up to Medium SL6 8FT up to Medium SL6 8HD up to Medium SL6 8HH up to Medium SL6 8HN up to Medium SL6 8HP up to Medium SL6 8HT up to Medium SL6 8HU up to Medium SL6 8HW up to Medium SL6 8HX up to Medium SL6 8HY up to Medium SL6 8JG up to Medium SL6 8JL up to Medium SL6 8JN up to Medium SL6 8JP up to Medium SL6 8JU up to Medium SL6 8JY up to Medium SL6 8LW up to Medium SL6 8ND up to Medium SL6 8NR up to Medium SL6 8NX up to Medium SL6 8NY up to Medium SL6 8NZ up to Medium SL6 8PD up to Medium SL6 8PJ up to Medium SL6 8PR up to Medium SL6 8PU up to Medium SL6 8QA up to Medium SL6 8QB up to Medium SL6 8QD up to Medium SL6 8QE up to Medium SL6 8QF up to Medium SL6 8QG up to Medium SL6 8QL up to Medium SL6 8QN up to Medium SL6 8QR up to Medium SL6 8QS up to Medium SL6 8QU up to Medium SL6 8QW up to Medium SL6 8QX up to Medium SL6 8QY up to Medium SL6 8RF up to Medium SL6 8RN up to Medium SL6 8RT up to Medium SL6 8RW up to Medium SL6 8RX up to Medium SL6 8SF up to Medium SL6 8SR up to Medium SL6 8ST up to Medium SL6 8TD up to Medium SL6 8TH up to Medium SL6 8TJ up to Medium SL6 8TP up to Medium SL6 8TQ up to Medium SL6 8TU up to Medium SL6 8TX up to Medium SL6 8UA up to Medium SL6 8UP up to Medium SL6 8XA up to Medium SL6 8XF up to Medium SL6 9BF up to Medium SL6 9DF up to Medium SL6 9DG up to Medium SL6 9DJ up to Medium SL6 9DR up to Medium SL6 9QH up to Medium SL6 9QJ up to Medium SL6 9QN up to Medium SL6 9QP up to Medium SL6 9QQ up to Medium SL6 9QU up to Medium SL6 9QY up to Medium SL6 9RT up to Medium SL6 9RX up to Medium SL6 9SB up to Medium SL6 9SE up to Medium SL6 9SF up to Medium SL6 9SG up to Medium SL6 9SH up to Medium SL6 9SJ up to Medium SL6 9SL up to Medium SL6 9SQ up to Medium SL6 9SS up to Medium SL6 9SY up to Medium SL6 9TA up to Medium SL6 9XH up to Medium SL6 0AA up to Low SL6 0AF up to Low SL6 0AH up to Low SL6 0AR up to Low SL6 0AS up to Low SL6 0AU up to Low SL6 0AX up to Low SL6 0AY up to Low SL6 0AZ up to Low SL6 0BA up to Low SL6 0BB up to Low SL6 0BF up to Low SL6 0DE up to Low SL6 0DF up to Low SL6 0DT up to Low SL6 0DU up to Low SL6 0DY up to Low SL6 0EA up to Low SL6 0EF up to Low SL6 0FA up to Low SL6 0FB up to Low SL6 0FG up to Low SL6 0FH up to Low SL6 0JL up to Low SL6 0JP up to Low SL6 0PE up to Low SL6 0PG up to Low SL6 0PL up to Low SL6 0PR up to Low SL6 0PY up to Low SL6 1AA up to Low SL6 1AB up to Low SL6 1AF up to Low SL6 1AL up to Low SL6 1AN up to Low SL6 1AP up to Low SL6 1AQ up to Low SL6 1AS up to Low SL6 1AW up to Low SL6 1AY up to Low SL6 1BE up to Low SL6 1BP up to Low SL6 1BT up to Low SL6 1BW up to Low SL6 1BX up to Low SL6 1DL up to Low SL6 1DQ up to Low SL6 1FN up to Low SL6 1FU up to Low SL6 1JN up to Low SL6 1LF up to Low SL6 1NQ up to Low SL6 1QG up to Low SL6 1QJ up to Low SL6 1QP up to Low SL6 1QR up to Low SL6 1QS up to Low SL6 1RN up to Low SL6 1RR up to Low SL6 1RS up to Low SL6 1RT up to Low SL6 1RU up to Low SL6 1RW up to Low SL6 1RX up to Low SL6 1RY up to Low SL6 1SD up to Low SL6 1SE up to Low SL6 1SH up to Low SL6 1SJ up to Low SL6 1SU up to Low SL6 1SX up to Low SL6 1SY up to Low SL6 1TB up to Low SL6 1TD up to Low SL6 1TE up to Low SL6 1TG up to Low SL6 1TH up to Low SL6 1TQ up to Low SL6 1TT up to Low SL6 1TW up to Low SL6 1TX up to Low SL6 1UA up to Low SL6 1UB up to Low SL6 1UD up to Low SL6 1UX up to Low SL6 1XD up to Low SL6 1XY up to Low SL6 1YZ up to Low SL6 2AB up to Low SL6 2AF up to Low SL6 2AG up to Low SL6 2AH up to Low SL6 2AJ up to Low SL6 2AL up to Low SL6 2AN up to Low SL6 2AP up to Low SL6 2AQ up to Low SL6 2AR up to Low SL6 2AS up to Low SL6 2AU up to Low SL6 2BA up to Low SL6 2BB up to Low SL6 2BD up to Low SL6 2BE up to Low SL6 2BL up to Low SL6 2BP up to Low SL6 2BR up to Low SL6 2BW up to Low SL6 2EE up to Low SL6 2HF up to Low SL6 2HG up to Low SL6 2HQ up to Low SL6 2HX up to Low SL6 2JE up to Low SL6 2JF up to Low SL6 2NB up to Low SL6 2UB up to Low SL6 3AB up to Low SL6 3DZ up to Low SL6 3EJ up to Low SL6 3JP up to Low SL6 3JR up to Low SL6 3SR up to Low SL6 3SS up to Low SL6 3YP up to Low SL6 3YR up to Low SL6 3YS up to Low SL6 3YT up to Low SL6 3YU up to Low SL6 3YX up to Low SL6 3YY up to Low SL6 3YZ up to Low SL6 5LE up to Low SL6 5LL up to Low SL6 5LN up to Low SL6 5LU up to Low SL6 5LW up to Low SL6 5LY up to Low SL6 5LZ up to Low SL6 5NH up to Low SL6 5NJ up to Low SL6 5NL up to Low SL6 5PB up to Low SL6 7EY up to Low SL6 7HH up to Low SL6 7HJ up to Low SL6 7JH up to Low SL6 7JL up to Low SL6 7JN up to Low SL6 7JQ up to Low SL6 7JS up to Low SL6 7JT up to Low SL6 7JU up to Low SL6 7JW up to Low SL6 7JZ up to Low SL6 8AE up to Low SL6 8AF up to Low SL6 8AH up to Low SL6 8AW up to Low SL6 8AX up to Low SL6 8AY up to Low SL6 8BB up to Low SL6 8BG up to Low SL6 8BJ up to Low SL6 8BL up to Low SL6 8BN up to Low SL6 8BQ up to Low SL6 8BR up to Low SL6 8BT up to Low SL6 8BW up to Low SL6 8BX up to Low SL6 8BY up to Low SL6 8DA up to Low SL6 8DE up to Low SL6 8DF up to Low SL6 8DG up to Low SL6 8DJ up to Low SL6 8DL up to Low SL6 8DP up to Low SL6 8DQ up to Low SL6 8DT up to Low SL6 8DW up to Low SL6 8EF up to Low SL6 8EG up to Low SL6 8EJ up to Low SL6 8EQ up to Low SL6 8ES up to Low SL6 8ET up to Low SL6 8FB up to Low SL6 8FW up to Low SL6 8FY up to Low SL6 8GE up to Low SL6 8HL up to Low SL6 8HS up to Low SL6 8JB up to Low SL6 8LP up to Low SL6 8LR up to Low SL6 8LT up to Low SL6 8LY up to Low SL6 8NA up to Low SL6 8NB up to Low SL6 8NG up to Low SL6 8NH up to Low SL6 8NQ up to Low SL6 8PA up to Low SL6 8PB up to Low SL6 8PG up to Low SL6 8PH up to Low SL6 8PN up to Low SL6 8PP up to Low SL6 8QH up to Low SL6 8QJ up to Low SL6 8QQ up to Low SL6 8QZ up to Low SL6 8RD up to Low SL6 8RH up to Low SL6 8RL up to Low SL6 8RQ up to Low SL6 8RR up to Low SL6 8RU up to Low SL6 8RZ up to Low SL6 8SE up to Low SL6 8SH up to Low SL6 8SQ up to Low SL6 8SS up to Low SL6 8SU up to Low SL6 8SX up to Low SL6 8SZ up to Low SL6 8TA up to Low SL6 8TB up to Low SL6 8TE up to Low SL6 8TL up to Low SL6 8TN up to Low SL6 8TR up to Low SL6 8TW up to Low SL6 8XY up to Low SL6 9DS up to Low SL6 9DY up to Low SL6 9DZ up to Low SL6 9QW up to Low SL6 9SU up to Low SL6 9SW up to Low SL6 0AJ up to Very low SL6 0BW up to Very low SL6 0DA up to Very low SL6 0DH up to Very low SL6 0DN up to Very low SL6 0DQ up to Very low SL6 0DR up to Very low SL6 0DS up to Very low SL6 0NP up to Very low SL6 0PT up to Very low SL6 1AH up to Very low SL6 1AR up to Very low SL6 1GG up to Very low SL6 1JG up to Very low SL6 1PZ up to Very low SL6 1QH up to Very low SL6 1QZ up to Very low SL6 1YY up to Very low SL6 2AZ up to Very low SL6 5NN up to Very low SL6 7HA up to Very low SL6 7HB up to Very low SL6 7HG up to Very low SL6 7JF up to Very low SL6 7TN up to Very low SL6 8AP up to Very low SL6 8AU up to Very low SL6 8BU up to Very low SL6 8DR up to Very low SL6 8NE up to Very low SL6 8NF up to Very low SL6 8SB up to Very low SL6 9DA up to Very low SL6 9DD up to Very low SL6 9DW up to Very low SL6 9QG up to Very low SL6 9QL up to Very low SL6 9RE up to Very low SL6 9SP up to Very low

Rivers and flooding history near SL6

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

146 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (26 at warning level or above), most recently 27 February 2026. Warnings cover flood areas, not individual addresses.

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

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

🏠 Buying or renting in SL6? 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

SL5 SL7 SL4 SL8 SL3 SL9 SL2 SL1

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.