BN23 postcode district: Eastbourne and around, East Sussex

BN23 is a postcode district in East Sussex, with 688 postcodes in use in 4 sectors. It has postcodes in Eastbourne, Crumbles and Westham. It is split between 2 councils: Eastbourne (676 postcodes) and Wealden (12).

Postcodes in use
688
Sectors
4
Councils
2 councils
Places
3 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in BN23, by flood risk

Map of every postcode in BN23, by flood risk Of the 688 postcodes in BN23 that ONS places, 20 have a home or business at high risk, 2 are at medium risk at worst, 7 are at low risk at worst, 400 are at very low risk only and 259 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 6 postcodes at high or medium risk. Places named: Crumbles. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A22A2280 BN23 5DA: not on the flood risk listBN23 5DB: not on the flood risk listBN23 5DD: not on the flood risk listBN23 5DE: not on the flood risk listBN23 5DF: not on the flood risk listBN23 5DG: not on the flood risk listBN23 6LD: not on the flood risk listBN23 6LE: not on the flood risk listBN23 6LH: not on the flood risk listBN23 6LJ: not on the flood risk listBN23 6LL: not on the flood risk listBN23 6LY: not on the flood risk listBN23 6RS: not on the flood risk listBN23 6RT: not on the flood risk listBN23 7AE: not on the flood risk listBN23 7AH: not on the flood risk listBN23 7AJ: not on the flood risk listBN23 7AR: not on the flood risk listBN23 7AS: not on the flood risk listBN23 7AT: not on the flood risk listBN23 7AU: not on the flood risk listBN23 7AY: not on the flood risk listBN23 7BQ: not on the flood risk listBN23 7DA: not on the flood risk listBN23 7DB: not on the flood risk listBN23 7DD: not on the flood risk listBN23 7DE: not on the flood risk listBN23 7DF: not on the flood risk listBN23 7DH: not on the flood risk listBN23 7DJ: not on the flood risk listBN23 7DL: not on the flood risk listBN23 7DN: not on the flood risk listBN23 7DP: not on the flood risk listBN23 7DQ: not on the flood risk listBN23 7DR: not on the flood risk listBN23 7DS: not on the flood risk listBN23 7DT: not on the flood risk listBN23 7DU: not on the flood risk listBN23 7DW: not on the flood risk listBN23 7ED: not on the flood risk listBN23 7EE: not on the flood risk listBN23 7EG: not on the flood risk listBN23 7EH: not on the flood risk listBN23 7EL: not on the flood risk listBN23 7EN: not on the flood risk listBN23 7EP: not on the flood risk listBN23 7ES: not on the flood risk listBN23 7EU: not on the flood risk listBN23 7EX: not on the flood risk listBN23 7FA: not on the flood risk listBN23 7FB: not on the flood risk listBN23 7FD: not on the flood risk listBN23 7FE: not on the flood risk listBN23 7FR: not on the flood risk listBN23 7HE: not on the flood risk listBN23 7HF: not on the flood risk listBN23 7HG: not on the flood risk listBN23 7HH: not on the flood risk listBN23 7HJ: not on the flood risk listBN23 7HN: not on the flood risk listBN23 7HR: not on the flood risk listBN23 7HT: not on the flood risk listBN23 7HX: not on the flood risk listBN23 7HY: not on the flood risk listBN23 7HZ: not on the flood risk listBN23 7JA: not on the flood risk listBN23 7JB: not on the flood risk listBN23 7JD: not on the flood risk listBN23 7JE: not on the flood risk listBN23 7JF: not on the flood risk listBN23 7JG: not on the flood risk listBN23 7JH: not on the flood risk listBN23 7JJ: not on the flood risk listBN23 7JL: not on the flood risk listBN23 7JN: not on the flood risk listBN23 7JP: not on the flood risk listBN23 7JR: not on the flood risk listBN23 7JS: not on the flood risk listBN23 7JT: not on the flood risk listBN23 7JU: not on the flood risk listBN23 7JX: not on the flood risk listBN23 7JY: not on the flood risk listBN23 7LA: not on the flood risk listBN23 7LB: not on the flood risk listBN23 7LD: not on the flood risk listBN23 7LE: not on the flood risk listBN23 7LF: not on the flood risk listBN23 7LH: not on the flood risk listBN23 7LJ: not on the flood risk listBN23 7LL: not on the flood risk listBN23 7LN: not on the flood risk listBN23 7LP: not on the flood risk listBN23 7LQ: not on the flood risk listBN23 7LR: not on the flood risk listBN23 7LS: not on the flood risk listBN23 7LT: not on the flood risk listBN23 7LU: not on the flood risk listBN23 7NB: not on the flood risk listBN23 7ND: not on the flood risk listBN23 7NF: not on the flood risk listBN23 7NG: not on the flood risk listBN23 7NH: not on the flood risk listBN23 7NJ: not on the flood risk listBN23 7NL: not on the flood risk listBN23 7NN: not on the flood risk listBN23 7NS: not on the flood risk listBN23 7NT: not on the flood risk listBN23 7NU: not on the flood risk listBN23 7NX: not on the flood risk listBN23 7NY: not on the flood risk listBN23 7NZ: not on the flood risk listBN23 7PA: not on the flood risk listBN23 7PB: not on the flood risk listBN23 7PD: not on the flood risk listBN23 7PF: not on the flood risk listBN23 7PG: not on the flood risk listBN23 7PH: not on the flood risk listBN23 7PJ: not on the flood risk listBN23 7PL: not on the flood risk listBN23 7PN: not on the flood risk listBN23 7PQ: not on the flood risk listBN23 7PW: not on the flood risk listBN23 7QN: not on the flood risk listBN23 7QU: not on the flood risk listBN23 7QW: not on the flood risk listBN23 7RB: not on the flood risk listBN23 7RD: not on the flood risk listBN23 7RE: not on the flood risk listBN23 7RG: not on the flood risk listBN23 7RH: not on the flood risk listBN23 7RJ: not on the flood risk listBN23 7RL: not on the flood risk listBN23 7RN: not on the flood risk listBN23 7RP: not on the flood risk listBN23 7RQ: not on the flood risk listBN23 7RW: not on the flood risk listBN23 7SE: not on the flood risk listBN23 7TN: not on the flood risk listBN23 7TP: not on the flood risk listBN23 7TR: not on the flood risk listBN23 7TT: not on the flood risk listBN23 8AB: not on the flood risk listBN23 8AE: not on the flood risk listBN23 8AG: not on the flood risk listBN23 8AH: not on the flood risk listBN23 8AJ: not on the flood risk listBN23 8AN: not on the flood risk listBN23 8AP: not on the flood risk listBN23 8AQ: not on the flood risk listBN23 8AR: not on the flood risk listBN23 8AT: not on the flood risk listBN23 8AX: not on the flood risk listBN23 8AY: not on the flood risk listBN23 8BB: not on the flood risk listBN23 8BD: not on the flood risk listBN23 8BE: not on the flood risk listBN23 8BF: not on the flood risk listBN23 8BG: not on the flood risk listBN23 8BH: not on the flood risk listBN23 8BJ: not on the flood risk listBN23 8BN: not on the flood risk listBN23 8BP: not on the flood risk listBN23 8BR: not on the flood risk listBN23 8BT: not on the flood risk listBN23 8BY: not on the flood risk listBN23 8BZ: not on the flood risk listBN23 8DD: not on the flood risk listBN23 8DE: not on the flood risk listBN23 8DF: not on the flood risk listBN23 8DG: not on the flood risk listBN23 8DH: not on the flood risk listBN23 8DJ: not on the flood risk listBN23 8DL: not on the flood risk listBN23 8DN: not on the flood risk listBN23 8DP: not on the flood risk listBN23 8DQ: not on the flood risk listBN23 8DR: not on the flood risk listBN23 8DS: not on the flood risk listBN23 8DT: not on the flood risk listBN23 8DU: not on the flood risk listBN23 8DW: not on the flood risk listBN23 8DY: not on the flood risk listBN23 8DZ: not on the flood risk listBN23 8EA: not on the flood risk listBN23 8EB: not on the flood risk listBN23 8ED: not on the flood risk listBN23 8EL: not on the flood risk listBN23 8EN: not on the flood risk listBN23 8EP: not on the flood risk listBN23 8EQ: not on the flood risk listBN23 8ER: not on the flood risk listBN23 8ES: not on the flood risk listBN23 8ET: not on the flood risk listBN23 8EU: not on the flood risk listBN23 8EW: not on the flood risk listBN23 8EX: not on the flood risk listBN23 8EZ: not on the flood risk listBN23 8FB: not on the flood risk listBN23 8FD: not on the flood risk listBN23 8FE: not on the flood risk listBN23 8FF: not on the flood risk listBN23 8FG: not on the flood risk listBN23 8GW: not on the flood risk listBN23 8HA: not on the flood risk listBN23 8HB: not on the flood risk listBN23 8HD: not on the flood risk listBN23 8HE: not on the flood risk listBN23 8HF: not on the flood risk listBN23 8HG: not on the flood risk listBN23 8HH: not on the flood risk listBN23 8HJ: not on the flood risk listBN23 8HL: not on the flood risk listBN23 8HN: not on the flood risk listBN23 8HP: not on the flood risk listBN23 8HQ: not on the flood risk listBN23 8HR: not on the flood risk listBN23 8HS: not on the flood risk listBN23 8HT: not on the flood risk listBN23 8HU: not on the flood risk listBN23 8HW: not on the flood risk listBN23 8HX: not on the flood risk listBN23 8HY: not on the flood risk listBN23 8HZ: not on the flood risk listBN23 8JA: not on the flood risk listBN23 8JB: not on the flood risk listBN23 8JD: not on the flood risk listBN23 8JE: not on the flood risk listBN23 8JF: not on the flood risk listBN23 8JG: not on the flood risk listBN23 8JH: not on the flood risk listBN23 8JJ: not on the flood risk listBN23 8JL: not on the flood risk listBN23 8JP: not on the flood risk listBN23 8JQ: not on the flood risk listBN23 8JR: not on the flood risk listBN23 8JS: not on the flood risk listBN23 8JT: not on the flood risk listBN23 8JU: not on the flood risk listBN23 8JY: not on the flood risk listBN23 8JZ: not on the flood risk listBN23 8LD: not on the flood risk listBN23 8LJ: not on the flood risk listBN23 8LL: not on the flood risk listBN23 8LN: not on the flood risk listBN23 8LP: not on the flood risk listBN23 8LR: not on the flood risk listBN23 8LS: not on the flood risk listBN23 8LU: not on the flood risk listBN23 8NJ: not on the flood risk listBN23 8NL: not on the flood risk listBN23 8NN: not on the flood risk listBN23 8NS: not on the flood risk listBN23 8NT: not on the flood risk listBN23 8NU: not on the flood risk listBN23 8NZ: not on the flood risk listBN23 8WE: not on the flood risk listBN23 5AA: very low flood risk onlyBN23 5AD: very low flood risk onlyBN23 5AH: very low flood risk onlyBN23 5AJ: very low flood risk onlyBN23 5AN: very low flood risk onlyBN23 5AP: very low flood risk onlyBN23 5AQ: very low flood risk onlyBN23 5AR: very low flood risk onlyBN23 5AS: very low flood risk onlyBN23 5AU: very low flood risk onlyBN23 5AX: very low flood risk onlyBN23 5AY: very low flood risk onlyBN23 5BA: very low flood risk onlyBN23 5BB: very low flood risk onlyBN23 5BD: very low flood risk onlyBN23 5BE: very low flood risk onlyBN23 5BF: very low flood risk onlyBN23 5BJ: very low flood risk onlyBN23 5BL: very low flood risk onlyBN23 5BN: very low flood risk onlyBN23 5BQ: very low flood risk onlyBN23 5BS: very low flood risk onlyBN23 5BT: very low flood risk onlyBN23 5BU: very low flood risk onlyBN23 5NA: very low flood risk onlyBN23 5NB: very low flood risk onlyBN23 5NE: very low flood risk onlyBN23 5NF: very low flood risk onlyBN23 5NH: very low flood risk onlyBN23 5NJ: very low flood risk onlyBN23 5NL: very low flood risk onlyBN23 5NN: very low flood risk onlyBN23 5NP: very low flood risk onlyBN23 5PA: very low flood risk onlyBN23 5PB: very low flood risk onlyBN23 5PD: very low flood risk onlyBN23 5PE: very low flood risk onlyBN23 5PF: very low flood risk onlyBN23 5PG: very low flood risk onlyBN23 5PH: very low flood risk onlyBN23 5PJ: very low flood risk onlyBN23 5PL: very low flood risk onlyBN23 5PN: very low flood risk onlyBN23 5PP: very low flood risk onlyBN23 5PQ: very low flood risk onlyBN23 5PR: very low flood risk onlyBN23 5PS: very low flood risk onlyBN23 5PT: very low flood risk onlyBN23 5PU: very low flood risk onlyBN23 5PX: very low flood risk onlyBN23 5PZ: very low flood risk onlyBN23 5QA: very low flood risk onlyBN23 5QB: very low flood risk onlyBN23 5QD: very low flood risk onlyBN23 5QE: very low flood risk onlyBN23 5QF: very low flood risk onlyBN23 5RA: very low flood risk onlyBN23 5RB: very low flood risk onlyBN23 5RD: very low flood risk onlyBN23 5RH: very low flood risk onlyBN23 5RJ: very low flood risk onlyBN23 5RL: very low flood risk onlyBN23 5RN: very low flood risk onlyBN23 5RP: very low flood risk onlyBN23 5RW: very low flood risk onlyBN23 5SS: very low flood risk onlyBN23 5ST: very low flood risk onlyBN23 5SW: very low flood risk onlyBN23 5SX: very low flood risk onlyBN23 5SY: very low flood risk onlyBN23 5SZ: very low flood risk onlyBN23 5TA: very low flood risk onlyBN23 5TB: very low flood risk onlyBN23 5TD: very low flood risk onlyBN23 5TE: very low flood risk onlyBN23 5TG: very low flood risk onlyBN23 5TJ: very low flood risk onlyBN23 5TL: very low flood risk onlyBN23 5TN: very low flood risk onlyBN23 5TP: very low flood risk onlyBN23 5TQ: very low flood risk onlyBN23 5TR: very low flood risk onlyBN23 5TS: very low flood risk onlyBN23 5TT: very low flood risk onlyBN23 5TW: very low flood risk onlyBN23 5TX: very low flood risk onlyBN23 5UA: very low flood risk onlyBN23 5UB: very low flood risk onlyBN23 5UD: very low flood risk onlyBN23 5UE: very low flood risk onlyBN23 5UF: very low flood risk onlyBN23 5UG: very low flood risk onlyBN23 5UH: very low flood risk onlyBN23 5UJ: very low flood risk onlyBN23 5UL: very low flood risk onlyBN23 5UN: very low flood risk onlyBN23 5UP: very low flood risk onlyBN23 5UQ: very low flood risk onlyBN23 5UR: very low flood risk onlyBN23 5UT: very low flood risk onlyBN23 5UY: very low flood risk onlyBN23 5UZ: very low flood risk onlyBN23 6AA: very low flood risk onlyBN23 6AB: very low flood risk onlyBN23 6AD: very low flood risk onlyBN23 6AE: very low flood risk onlyBN23 6AF: very low flood risk onlyBN23 6AG: very low flood risk onlyBN23 6AH: very low flood risk onlyBN23 6AJ: very low flood risk onlyBN23 6AL: very low flood risk onlyBN23 6AN: very low flood risk onlyBN23 6AP: very low flood risk onlyBN23 6AQ: very low flood risk onlyBN23 6AR: very low flood risk onlyBN23 6AS: very low flood risk onlyBN23 6AT: very low flood risk onlyBN23 6AU: very low flood risk onlyBN23 6AW: very low flood risk onlyBN23 6AX: very low flood risk onlyBN23 6AY: very low flood risk onlyBN23 6AZ: very low flood risk onlyBN23 6BA: very low flood risk onlyBN23 6BB: very low flood risk onlyBN23 6BD: very low flood risk onlyBN23 6BE: very low flood risk onlyBN23 6BF: very low flood risk onlyBN23 6BG: very low flood risk onlyBN23 6BH: very low flood risk onlyBN23 6BJ: very low flood risk onlyBN23 6BL: very low flood risk onlyBN23 6BN: very low flood risk onlyBN23 6BP: very low flood risk onlyBN23 6BQ: very low flood risk onlyBN23 6BS: very low flood risk onlyBN23 6BT: very low flood risk onlyBN23 6BU: very low flood risk onlyBN23 6BW: very low flood risk onlyBN23 6BX: very low flood risk onlyBN23 6BY: very low flood risk onlyBN23 6BZ: very low flood risk onlyBN23 6DA: very low flood risk onlyBN23 6DB: very low flood risk onlyBN23 6DD: very low flood risk onlyBN23 6DE: very low flood risk onlyBN23 6DF: very low flood risk onlyBN23 6DG: very low flood risk onlyBN23 6DH: very low flood risk onlyBN23 6DJ: very low flood risk onlyBN23 6DL: very low flood risk onlyBN23 6DN: very low flood risk onlyBN23 6DP: very low flood risk onlyBN23 6DQ: very low flood risk onlyBN23 6DR: very low flood risk onlyBN23 6DS: very low flood risk onlyBN23 6DT: very low flood risk onlyBN23 6DW: very low flood risk onlyBN23 6DX: very low flood risk onlyBN23 6DY: very low flood risk onlyBN23 6EA: very low flood risk onlyBN23 6EB: very low flood risk onlyBN23 6ED: very low flood risk onlyBN23 6EE: very low flood risk onlyBN23 6EF: very low flood risk onlyBN23 6EG: very low flood risk onlyBN23 6EH: very low flood risk onlyBN23 6EJ: very low flood risk onlyBN23 6EL: very low flood risk onlyBN23 6EN: very low flood risk onlyBN23 6EP: very low flood risk onlyBN23 6EQ: very low flood risk onlyBN23 6ER: very low flood risk onlyBN23 6ES: very low flood risk onlyBN23 6ET: very low flood risk onlyBN23 6EU: very low flood risk onlyBN23 6EW: very low flood risk onlyBN23 6FA: very low flood risk onlyBN23 6FB: very low flood risk onlyBN23 6HA: very low flood risk onlyBN23 6HB: very low flood risk onlyBN23 6HD: very low flood risk onlyBN23 6HE: very low flood risk onlyBN23 6HF: very low flood risk onlyBN23 6HG: very low flood risk onlyBN23 6HH: very low flood risk onlyBN23 6HJ: very low flood risk onlyBN23 6HL: very low flood risk onlyBN23 6HN: very low flood risk onlyBN23 6HP: very low flood risk onlyBN23 6HQ: very low flood risk onlyBN23 6HR: very low flood risk onlyBN23 6HS: very low flood risk onlyBN23 6HT: very low flood risk onlyBN23 6HU: very low flood risk onlyBN23 6HW: very low flood risk onlyBN23 6HX: very low flood risk onlyBN23 6HZ: very low flood risk onlyBN23 6JD: very low flood risk onlyBN23 6JH: very low flood risk onlyBN23 6JP: very low flood risk onlyBN23 6JR: very low flood risk onlyBN23 6JS: very low flood risk onlyBN23 6JT: very low flood risk onlyBN23 6JU: very low flood risk onlyBN23 6JX: very low flood risk onlyBN23 6JY: very low flood risk onlyBN23 6JZ: very low flood risk onlyBN23 6LA: very low flood risk onlyBN23 6LB: very low flood risk onlyBN23 6LF: very low flood risk onlyBN23 6LG: very low flood risk onlyBN23 6LN: very low flood risk onlyBN23 6LP: very low flood risk onlyBN23 6LQ: very low flood risk onlyBN23 6LR: very low flood risk onlyBN23 6LS: very low flood risk onlyBN23 6NB: very low flood risk onlyBN23 6NH: very low flood risk onlyBN23 6NJ: very low flood risk onlyBN23 6NL: very low flood risk onlyBN23 6NN: very low flood risk onlyBN23 6NP: very low flood risk onlyBN23 6NR: very low flood risk onlyBN23 6NS: very low flood risk onlyBN23 6PA: very low flood risk onlyBN23 6PE: very low flood risk onlyBN23 6PH: very low flood risk onlyBN23 6PJ: very low flood risk onlyBN23 6PL: very low flood risk onlyBN23 6PN: very low flood risk onlyBN23 6PT: very low flood risk onlyBN23 6PU: very low flood risk onlyBN23 6PW: very low flood risk onlyBN23 6PX: very low flood risk onlyBN23 6QA: very low flood risk onlyBN23 6QD: very low flood risk onlyBN23 6QF: very low flood risk onlyBN23 6QN: very low flood risk onlyBN23 6QU: very low flood risk onlyBN23 6QW: very low flood risk onlyBN23 6QY: very low flood risk onlyBN23 6RR: very low flood risk onlyBN23 6TA: very low flood risk onlyBN23 6TB: very low flood risk onlyBN23 6TD: very low flood risk onlyBN23 6TE: very low flood risk onlyBN23 6TF: very low flood risk onlyBN23 6TG: very low flood risk onlyBN23 6TH: very low flood risk onlyBN23 6TJ: very low flood risk onlyBN23 6TL: very low flood risk onlyBN23 6TN: very low flood risk onlyBN23 6TP: very low flood risk onlyBN23 6TQ: very low flood risk onlyBN23 6TR: very low flood risk onlyBN23 6TU: very low flood risk onlyBN23 6TW: very low flood risk onlyBN23 6TX: very low flood risk onlyBN23 6TZ: very low flood risk onlyBN23 6UA: very low flood risk onlyBN23 6UB: very low flood risk onlyBN23 6UD: very low flood risk onlyBN23 6UE: very low flood risk onlyBN23 6UF: very low flood risk onlyBN23 6UH: very low flood risk onlyBN23 6UJ: very low flood risk onlyBN23 6UL: very low flood risk onlyBN23 6UN: very low flood risk onlyBN23 6UP: very low flood risk onlyBN23 6UQ: very low flood risk onlyBN23 6UW: very low flood risk onlyBN23 7AA: very low flood risk onlyBN23 7AD: very low flood risk onlyBN23 7AF: very low flood risk onlyBN23 7AG: very low flood risk onlyBN23 7AN: very low flood risk onlyBN23 7AP: very low flood risk onlyBN23 7AW: very low flood risk onlyBN23 7AX: very low flood risk onlyBN23 7BA: very low flood risk onlyBN23 7BB: very low flood risk onlyBN23 7BD: very low flood risk onlyBN23 7BE: very low flood risk onlyBN23 7BG: very low flood risk onlyBN23 7BH: very low flood risk onlyBN23 7BJ: very low flood risk onlyBN23 7BL: very low flood risk onlyBN23 7BN: very low flood risk onlyBN23 7BP: very low flood risk onlyBN23 7BS: very low flood risk onlyBN23 7BT: very low flood risk onlyBN23 7BU: very low flood risk onlyBN23 7DX: very low flood risk onlyBN23 7DY: very low flood risk onlyBN23 7EA: very low flood risk onlyBN23 7EB: very low flood risk onlyBN23 7EF: very low flood risk onlyBN23 7ER: very low flood risk onlyBN23 7ET: very low flood risk onlyBN23 7EY: very low flood risk onlyBN23 7HL: very low flood risk onlyBN23 7HP: very low flood risk onlyBN23 7HW: very low flood risk onlyBN23 7JW: very low flood risk onlyBN23 7JZ: very low flood risk onlyBN23 7LG: very low flood risk onlyBN23 7LW: very low flood risk onlyBN23 7LX: very low flood risk onlyBN23 7LZ: very low flood risk onlyBN23 7NA: very low flood risk onlyBN23 7NE: very low flood risk onlyBN23 7NP: very low flood risk onlyBN23 7NQ: very low flood risk onlyBN23 7NR: very low flood risk onlyBN23 7NW: very low flood risk onlyBN23 7PP: very low flood risk onlyBN23 7PR: very low flood risk onlyBN23 7PS: very low flood risk onlyBN23 7PT: very low flood risk onlyBN23 7PU: very low flood risk onlyBN23 7PX: very low flood risk onlyBN23 7PY: very low flood risk onlyBN23 7PZ: very low flood risk onlyBN23 7QA: very low flood risk onlyBN23 7QB: very low flood risk onlyBN23 7QD: very low flood risk onlyBN23 7QE: very low flood risk onlyBN23 7QF: very low flood risk onlyBN23 7QG: very low flood risk onlyBN23 7QH: very low flood risk onlyBN23 7QJ: very low flood risk onlyBN23 7QL: very low flood risk onlyBN23 7QP: very low flood risk onlyBN23 7QQ: very low flood risk onlyBN23 7QR: very low flood risk onlyBN23 7QS: very low flood risk onlyBN23 7QT: very low flood risk onlyBN23 7QX: very low flood risk onlyBN23 7QY: very low flood risk onlyBN23 7QZ: very low flood risk onlyBN23 7RA: very low flood risk onlyBN23 7RU: very low flood risk onlyBN23 7RX: very low flood risk onlyBN23 7RY: very low flood risk onlyBN23 7SA: very low flood risk onlyBN23 7SB: very low flood risk onlyBN23 7SD: very low flood risk onlyBN23 7SG: very low flood risk onlyBN23 7SH: very low flood risk onlyBN23 7SJ: very low flood risk onlyBN23 7SL: very low flood risk onlyBN23 7SN: very low flood risk onlyBN23 7SP: very low flood risk onlyBN23 7SR: very low flood risk onlyBN23 7SW: very low flood risk onlyBN23 7TA: very low flood risk onlyBN23 7TB: very low flood risk onlyBN23 7TD: very low flood risk onlyBN23 7TE: very low flood risk onlyBN23 7TF: very low flood risk onlyBN23 7TG: very low flood risk onlyBN23 7TH: very low flood risk onlyBN23 7TJ: very low flood risk onlyBN23 7TL: very low flood risk onlyBN23 7TQ: very low flood risk onlyBN23 7TS: very low flood risk onlyBN23 7TU: very low flood risk onlyBN23 7TX: very low flood risk onlyBN23 8AF: very low flood risk onlyBN23 8AL: very low flood risk onlyBN23 8AW: very low flood risk onlyBN23 8BS: very low flood risk onlyBN23 8BU: very low flood risk onlyBN23 8BX: very low flood risk onlyBN23 8DA: very low flood risk onlyBN23 8DB: very low flood risk onlyBN23 8DX: very low flood risk onlyBN23 8EF: very low flood risk onlyBN23 8EG: very low flood risk onlyBN23 8EH: very low flood risk onlyBN23 8EJ: very low flood risk onlyBN23 8EY: very low flood risk onlyBN23 8LA: very low flood risk onlyBN23 8LB: very low flood risk onlyBN23 8LT: very low flood risk onlyBN23 6FE: low flood risk at worstBN23 6JF: low flood risk at worstBN23 6JW: low flood risk at worstBN23 7AB: low flood risk at worstBN23 7AL: low flood risk at worstBN23 7AQ: low flood risk at worstBN23 7EQ: low flood risk at worstBN23 6QJ: medium flood risk at worstBN23 8AS: medium flood risk at worstBN23 5AB: high flood riskBN23 5AE: high flood riskBN23 5AF: high flood riskBN23 5AG: high flood riskBN23 5AT: high flood riskBN23 5AW: high flood riskBN23 5BG: high flood riskBN23 5BH: high flood riskBN23 5BP: high flood riskBN23 5PW: high flood riskBN23 5PY: high flood riskBN23 5TH: high flood riskBN23 6HY: high flood riskBN23 6LW: high flood riskBN23 6NA: high flood riskBN23 6NY: high flood riskBN23 6PD: high flood riskBN23 6QE: high flood riskBN23 7AZ: high flood riskBN23 7JQ: high flood risk Crumbles 6 postcodes at high or medium risk, outlined: this goes to BN23 5AB, the one with most homes and businesses at high risk6 postcodes at high or medium risk Map of every postcode in BN23, by flood risk Of the 688 postcodes in BN23 that ONS places, 20 have a home or business at high risk, 2 are at medium risk at worst, 7 are at low risk at worst, 400 are at very low risk only and 259 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 6 postcodes at high or medium risk. Places named: Crumbles. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A22A259 Crumbles
  • A home or business at high risk: 20
  • At medium risk at worst: 2
  • At low risk at worst: 7
  • At very low risk only: 400
  • Not on the at-risk list: 259
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 688 postcodes in BN23 that ONS places, 20 have a home or business at high risk, 2 are at medium risk at worst, 7 are at low risk at worst, 400 are at very low risk only and 259 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 50.7977, longitude 0.3126. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The postcodes at high risk

20 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

BN23 5BP70 at high riskBN23 5BG68 at high riskBN23 5BH36 at high riskBN23 5PW30 at high riskBN23 5AB28 at high riskBN23 5AT26 at high riskBN23 5AF24 at high riskBN23 5AG24 at high riskBN23 5PY23 at high riskBN23 5AW18 at high riskBN23 5TH12 at high riskBN23 6HY6 at high risk

Where the postcodes at high or medium risk lie together

  • 6 postcodes at high or medium risk, outlined on the map. BN23 5AB, is the one with most homes and businesses at high risk.

What broadband can you get in BN23?

Ofcom reports on 683 of the 688 postcodes in BN23. At 632 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit632 of 683
Postcodes where every home can get superfast679 of 683

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is BN23 at risk of flooding?

429 of the 688 postcodes in BN23 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 381 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 429 of 688 postcodes High: 376Medium: 5Low: 19Very low: 7,419

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

What do homes sell for in BN23?

Homes in BN23 sold for a typical £276,250 in the 12 months to August 2026, across 386 sales, down 4.7% on the 12 months before, HM Land Registry's figures show.

£276,250 typical price, the 12 months to August 2026
12 months to August 2025
£290,000
12 months to August 2026
£276,250

▼ down 4.7% on the 12 months before

Detached£375,000 77 sales
Semi-detached£289,000 83 sales
Terraced£275,000 111 sales
Flat or maisonette£200,000 115 sales

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in BN23

Pick a sector, then a postcode. A sector is the district plus the next digit.

BN23 5125 postcodesBN23 6195 postcodesBN23 7234 postcodesBN23 8134 postcodes
UK postcode format explained

Places in BN23

Towns and villages with postcodes in BN23, and how many each has here.

Eastbourne postcodes,610Crumbles postcodes,73Westham postcodes,1

Who covers BN23

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • Eastbourne676
  • Lewes11
  • Bexhill and Battle1

Police force areas

  • Sussex688

Next to BN23

BN22 postcode district BN24 postcode district All BN districts Eastbourne postcodes

"Next to" is by number: the districts before and after BN23 in the BN area.

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