BN20 postcode district: Eastbourne and around, East Sussex

BN20 is a postcode district in East Sussex, with 730 postcodes in use in 4 sectors. It has postcodes in Eastbourne, Lower Willingdon and East Dean and Friston. It is split between 2 councils: Eastbourne (531 postcodes) and Wealden (199).

Postcodes in use
730
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 BN20, by flood risk

Map of every postcode in BN20, by flood risk Of the 730 postcodes in BN20 that ONS places, 1 have a home or business at high risk and 729 are not on the Environment Agency's at-risk list. Places named: Eastbourne, Lower Willingdon, East Dean and Friston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A259A22 BN20 0AA: not on the flood risk listBN20 0AB: not on the flood risk listBN20 0AD: not on the flood risk listBN20 0AE: not on the flood risk listBN20 0AG: not on the flood risk listBN20 0AH: not on the flood risk listBN20 0AL: not on the flood risk listBN20 0AN: not on the flood risk listBN20 0AR: not on the flood risk listBN20 0AS: not on the flood risk listBN20 0AT: not on the flood risk listBN20 0AU: not on the flood risk listBN20 0AW: not on the flood risk listBN20 0AX: not on the flood risk listBN20 0AY: not on the flood risk listBN20 0AZ: not on the flood risk listBN20 0BA: not on the flood risk listBN20 0BB: not on the flood risk listBN20 0BD: not on the flood risk listBN20 0BE: not on the flood risk listBN20 0BL: not on the flood risk listBN20 0BP: not on the flood risk listBN20 0BS: not on the flood risk listBN20 0BT: not on the flood risk listBN20 0BX: not on the flood risk listBN20 0BY: not on the flood risk listBN20 0DA: not on the flood risk listBN20 0DB: not on the flood risk listBN20 0DD: not on the flood risk listBN20 0DE: not on the flood risk listBN20 0DG: not on the flood risk listBN20 0DL: not on the flood risk listBN20 0DN: not on the flood risk listBN20 0DP: not on the flood risk listBN20 0DQ: not on the flood risk listBN20 0DS: not on the flood risk listBN20 0DT: not on the flood risk listBN20 0EA: not on the flood risk listBN20 0EB: not on the flood risk listBN20 0ED: not on the flood risk listBN20 0EE: not on the flood risk listBN20 0EF: not on the flood risk listBN20 0EG: not on the flood risk listBN20 0EJ: not on the flood risk listBN20 0EL: not on the flood risk listBN20 0EN: not on the flood risk listBN20 0EP: not on the flood risk listBN20 0ER: not on the flood risk listBN20 0ES: not on the flood risk listBN20 0ET: not on the flood risk listBN20 0EU: not on the flood risk listBN20 0EW: not on the flood risk listBN20 0EX: not on the flood risk listBN20 0EY: not on the flood risk listBN20 0EZ: not on the flood risk listBN20 0HA: not on the flood risk listBN20 0HB: not on the flood risk listBN20 0HD: not on the flood risk listBN20 0HE: not on the flood risk listBN20 0HP: not on the flood risk listBN20 0HR: not on the flood risk listBN20 0HS: not on the flood risk listBN20 0HT: not on the flood risk listBN20 0HU: not on the flood risk listBN20 0HX: not on the flood risk listBN20 0HY: not on the flood risk listBN20 0HZ: not on the flood risk listBN20 0JA: not on the flood risk listBN20 0JB: not on the flood risk listBN20 0JD: not on the flood risk listBN20 0JE: not on the flood risk listBN20 0JF: not on the flood risk listBN20 0JG: not on the flood risk listBN20 0JH: not on the flood risk listBN20 0JL: not on the flood risk listBN20 0JN: not on the flood risk listBN20 0JP: not on the flood risk listBN20 0JR: not on the flood risk listBN20 0JS: not on the flood risk listBN20 0JT: not on the flood risk listBN20 0JU: not on the flood risk listBN20 0JX: not on the flood risk listBN20 0JY: not on the flood risk listBN20 0JZ: not on the flood risk listBN20 0LA: not on the flood risk listBN20 0LB: not on the flood risk listBN20 0LE: not on the flood risk listBN20 0LF: not on the flood risk listBN20 0LG: not on the flood risk listBN20 0LH: not on the flood risk listBN20 0LJ: not on the flood risk listBN20 7AB: not on the flood risk listBN20 7AD: not on the flood risk listBN20 7AE: not on the flood risk listBN20 7AG: not on the flood risk listBN20 7AH: not on the flood risk listBN20 7AL: not on the flood risk listBN20 7AN: not on the flood risk listBN20 7AQ: not on the flood risk listBN20 7AT: not on the flood risk listBN20 7AU: not on the flood risk listBN20 7AY: not on the flood risk listBN20 7AZ: not on the flood risk listBN20 7BG: not on the flood risk listBN20 7BH: not on the flood risk listBN20 7BJ: not on the flood risk listBN20 7BL: not on the flood risk listBN20 7BN: not on the flood risk listBN20 7BP: not on the flood risk listBN20 7BS: not on the flood risk listBN20 7BU: not on the flood risk listBN20 7DA: not on the flood risk listBN20 7DD: not on the flood risk listBN20 7DE: not on the flood risk listBN20 7DF: not on the flood risk listBN20 7DG: not on the flood risk listBN20 7DH: not on the flood risk listBN20 7DL: not on the flood risk listBN20 7DN: not on the flood risk listBN20 7DR: not on the flood risk listBN20 7DT: not on the flood risk listBN20 7DX: not on the flood risk listBN20 7EA: not on the flood risk listBN20 7EB: not on the flood risk listBN20 7EE: not on the flood risk listBN20 7EG: not on the flood risk listBN20 7EH: not on the flood risk listBN20 7EN: not on the flood risk listBN20 7EP: not on the flood risk listBN20 7EQ: not on the flood risk listBN20 7ER: not on the flood risk listBN20 7ES: not on the flood risk listBN20 7EU: not on the flood risk listBN20 7EW: not on the flood risk listBN20 7EX: not on the flood risk listBN20 7EY: not on the flood risk listBN20 7EZ: not on the flood risk listBN20 7FD: not on the flood risk listBN20 7FE: not on the flood risk listBN20 7FF: not on the flood risk listBN20 7FG: not on the flood risk listBN20 7GA: not on the flood risk listBN20 7GB: not on the flood risk listBN20 7GD: not on the flood risk listBN20 7HA: not on the flood risk listBN20 7HB: not on the flood risk listBN20 7HD: not on the flood risk listBN20 7HE: not on the flood risk listBN20 7HG: not on the flood risk listBN20 7HL: not on the flood risk listBN20 7HP: not on the flood risk listBN20 7HS: not on the flood risk listBN20 7HT: not on the flood risk listBN20 7HX: not on the flood risk listBN20 7HY: not on the flood risk listBN20 7HZ: not on the flood risk listBN20 7JA: not on the flood risk listBN20 7JB: not on the flood risk listBN20 7JF: not on the flood risk listBN20 7JG: not on the flood risk listBN20 7JH: not on the flood risk listBN20 7JJ: not on the flood risk listBN20 7JL: not on the flood risk listBN20 7JN: not on the flood risk listBN20 7JS: not on the flood risk listBN20 7JT: not on the flood risk listBN20 7JU: not on the flood risk listBN20 7JX: not on the flood risk listBN20 7JY: not on the flood risk listBN20 7LA: not on the flood risk listBN20 7LB: not on the flood risk listBN20 7LF: not on the flood risk listBN20 7LG: not on the flood risk listBN20 7LJ: not on the flood risk listBN20 7LL: not on the flood risk listBN20 7LQ: not on the flood risk listBN20 7LR: not on the flood risk listBN20 7LS: not on the flood risk listBN20 7LU: not on the flood risk listBN20 7LW: not on the flood risk listBN20 7LX: not on the flood risk listBN20 7NA: not on the flood risk listBN20 7NB: not on the flood risk listBN20 7NF: not on the flood risk listBN20 7NG: not on the flood risk listBN20 7NL: not on the flood risk listBN20 7NN: not on the flood risk listBN20 7NP: not on the flood risk listBN20 7NQ: not on the flood risk listBN20 7NR: not on the flood risk listBN20 7NS: not on the flood risk listBN20 7NT: not on the flood risk listBN20 7NU: not on the flood risk listBN20 7NW: not on the flood risk listBN20 7NX: not on the flood risk listBN20 7PB: not on the flood risk listBN20 7PE: not on the flood risk listBN20 7PF: not on the flood risk listBN20 7PH: not on the flood risk listBN20 7PY: not on the flood risk listBN20 7QA: not on the flood risk listBN20 7QE: not on the flood risk listBN20 7QF: not on the flood risk listBN20 7QG: not on the flood risk listBN20 7QH: not on the flood risk listBN20 7QJ: not on the flood risk listBN20 7QL: not on the flood risk listBN20 7QN: not on the flood risk listBN20 7QP: not on the flood risk listBN20 7QQ: not on the flood risk listBN20 7QR: not on the flood risk listBN20 7QS: not on the flood risk listBN20 7QT: not on the flood risk listBN20 7QW: not on the flood risk listBN20 7QY: not on the flood risk listBN20 7RA: not on the flood risk listBN20 7RD: not on the flood risk listBN20 7RG: not on the flood risk listBN20 7RN: not on the flood risk listBN20 7RP: not on the flood risk listBN20 7RS: not on the flood risk listBN20 7RT: not on the flood risk listBN20 7RU: not on the flood risk listBN20 7RW: not on the flood risk listBN20 7SH: not on the flood risk listBN20 7SN: not on the flood risk listBN20 7SP: not on the flood risk listBN20 7SS: not on the flood risk listBN20 7ST: not on the flood risk listBN20 7SU: not on the flood risk listBN20 7SW: not on the flood risk listBN20 7SX: not on the flood risk listBN20 7TA: not on the flood risk listBN20 7TB: not on the flood risk listBN20 7TD: not on the flood risk listBN20 7TH: not on the flood risk listBN20 7TL: not on the flood risk listBN20 7TN: not on the flood risk listBN20 7TQ: not on the flood risk listBN20 7TR: not on the flood risk listBN20 7TS: not on the flood risk listBN20 7TT: not on the flood risk listBN20 7TW: not on the flood risk listBN20 7TX: not on the flood risk listBN20 7TY: not on the flood risk listBN20 7TZ: not on the flood risk listBN20 7UA: not on the flood risk listBN20 7UB: not on the flood risk listBN20 7UD: not on the flood risk listBN20 7UE: not on the flood risk listBN20 7UF: not on the flood risk listBN20 7UG: not on the flood risk listBN20 7UH: not on the flood risk listBN20 7UJ: not on the flood risk listBN20 7UL: not on the flood risk listBN20 7UP: not on the flood risk listBN20 7UR: not on the flood risk listBN20 7UT: not on the flood risk listBN20 7UU: not on the flood risk listBN20 7UX: not on the flood risk listBN20 7XB: not on the flood risk listBN20 7XD: not on the flood risk listBN20 7XH: not on the flood risk listBN20 7XL: not on the flood risk listBN20 7XN: not on the flood risk listBN20 7XR: not on the flood risk listBN20 7XS: not on the flood risk listBN20 7XT: not on the flood risk listBN20 7XU: not on the flood risk listBN20 7XW: not on the flood risk listBN20 7XX: not on the flood risk listBN20 7XY: not on the flood risk listBN20 7YD: not on the flood risk listBN20 8AA: not on the flood risk listBN20 8AB: not on the flood risk listBN20 8AE: not on the flood risk listBN20 8AG: not on the flood risk listBN20 8AH: not on the flood risk listBN20 8AJ: not on the flood risk listBN20 8AL: not on the flood risk listBN20 8AN: not on the flood risk listBN20 8AP: not on the flood risk listBN20 8AQ: not on the flood risk listBN20 8AR: not on the flood risk listBN20 8AT: not on the flood risk listBN20 8AU: not on the flood risk listBN20 8AW: not on the flood risk listBN20 8AX: not on the flood risk listBN20 8AY: not on the flood risk listBN20 8BA: not on the flood risk listBN20 8BB: not on the flood risk listBN20 8BD: not on the flood risk listBN20 8BE: not on the flood risk listBN20 8BF: not on the flood risk listBN20 8BH: not on the flood risk listBN20 8BP: not on the flood risk listBN20 8BQ: not on the flood risk listBN20 8BT: not on the flood risk listBN20 8BU: not on the flood risk listBN20 8BX: not on the flood risk listBN20 8BY: not on the flood risk listBN20 8DA: not on the flood risk listBN20 8DB: not on the flood risk listBN20 8DD: not on the flood risk listBN20 8DG: not on the flood risk listBN20 8DH: not on the flood risk listBN20 8DL: not on the flood risk listBN20 8DN: not on the flood risk listBN20 8DP: not on the flood risk listBN20 8DQ: not on the flood risk listBN20 8DR: not on the flood risk listBN20 8DS: not on the flood risk listBN20 8DU: not on the flood risk listBN20 8DW: not on the flood risk listBN20 8DX: not on the flood risk listBN20 8DY: not on the flood risk listBN20 8EA: not on the flood risk listBN20 8EE: not on the flood risk listBN20 8EF: not on the flood risk listBN20 8EG: not on the flood risk listBN20 8EH: not on the flood risk listBN20 8EJ: not on the flood risk listBN20 8EL: not on the flood risk listBN20 8EN: not on the flood risk listBN20 8EP: not on the flood risk listBN20 8ER: not on the flood risk listBN20 8ES: not on the flood risk listBN20 8EX: not on the flood risk listBN20 8EY: not on the flood risk listBN20 8GA: not on the flood risk listBN20 8HA: not on the flood risk listBN20 8HD: not on the flood risk listBN20 8HF: not on the flood risk listBN20 8HG: not on the flood risk listBN20 8HH: not on the flood risk listBN20 8HR: not on the flood risk listBN20 8HS: not on the flood risk listBN20 8HU: not on the flood risk listBN20 8HY: not on the flood risk listBN20 8HZ: not on the flood risk listBN20 8JA: not on the flood risk listBN20 8JB: not on the flood risk listBN20 8JD: not on the flood risk listBN20 8JG: not on the flood risk listBN20 8JH: not on the flood risk listBN20 8JJ: not on the flood risk listBN20 8JL: not on the flood risk listBN20 8JN: not on the flood risk listBN20 8JR: not on the flood risk listBN20 8JS: not on the flood risk listBN20 8JU: not on the flood risk listBN20 8JX: not on the flood risk listBN20 8JY: not on the flood risk listBN20 8LA: not on the flood risk listBN20 8LB: not on the flood risk listBN20 8LE: not on the flood risk listBN20 8LF: not on the flood risk listBN20 8LG: not on the flood risk listBN20 8LH: not on the flood risk listBN20 8LJ: not on the flood risk listBN20 8LL: not on the flood risk listBN20 8LN: not on the flood risk listBN20 8LP: not on the flood risk listBN20 8LQ: not on the flood risk listBN20 8LR: not on the flood risk listBN20 8LS: not on the flood risk listBN20 8LT: not on the flood risk listBN20 8LU: not on the flood risk listBN20 8LX: not on the flood risk listBN20 8LY: not on the flood risk listBN20 8NA: not on the flood risk listBN20 8NB: not on the flood risk listBN20 8NH: not on the flood risk listBN20 8NJ: not on the flood risk listBN20 8NL: not on the flood risk listBN20 8NN: not on the flood risk listBN20 8NP: not on the flood risk listBN20 8NR: not on the flood risk listBN20 8NS: not on the flood risk listBN20 8NT: not on the flood risk listBN20 8NU: not on the flood risk listBN20 8NX: not on the flood risk listBN20 8NY: not on the flood risk listBN20 8NZ: not on the flood risk listBN20 8PB: not on the flood risk listBN20 8PD: not on the flood risk listBN20 8PE: not on the flood risk listBN20 8PG: not on the flood risk listBN20 8PJ: not on the flood risk listBN20 8PL: not on the flood risk listBN20 8PN: not on the flood risk listBN20 8PP: not on the flood risk listBN20 8PQ: not on the flood risk listBN20 8PR: not on the flood risk listBN20 8PS: not on the flood risk listBN20 8PU: not on the flood risk listBN20 8PX: not on the flood risk listBN20 8PY: not on the flood risk listBN20 8QG: not on the flood risk listBN20 8QH: not on the flood risk listBN20 8QQ: not on the flood risk listBN20 8QS: not on the flood risk listBN20 8QT: not on the flood risk listBN20 8QU: not on the flood risk listBN20 8QX: not on the flood risk listBN20 8QY: not on the flood risk listBN20 8RA: not on the flood risk listBN20 8RB: not on the flood risk listBN20 8RD: not on the flood risk listBN20 8RE: not on the flood risk listBN20 8RF: not on the flood risk listBN20 8RG: not on the flood risk listBN20 8RH: not on the flood risk listBN20 8RJ: not on the flood risk listBN20 8RN: not on the flood risk listBN20 8RY: not on the flood risk listBN20 8RZ: not on the flood risk listBN20 8SB: not on the flood risk listBN20 8SE: not on the flood risk listBN20 8SF: not on the flood risk listBN20 8SG: not on the flood risk listBN20 8SH: not on the flood risk listBN20 8SJ: not on the flood risk listBN20 8SL: not on the flood risk listBN20 8SN: not on the flood risk listBN20 8SP: not on the flood risk listBN20 8SQ: not on the flood risk listBN20 8SR: not on the flood risk listBN20 8ST: not on the flood risk listBN20 8SU: not on the flood risk listBN20 8SX: not on the flood risk listBN20 8SY: not on the flood risk listBN20 8SZ: not on the flood risk listBN20 8TD: not on the flood risk listBN20 8TE: not on the flood risk listBN20 8TG: not on the flood risk listBN20 8TL: not on the flood risk listBN20 8TN: not on the flood risk listBN20 8TP: not on the flood risk listBN20 8TR: not on the flood risk listBN20 8TS: not on the flood risk listBN20 8TU: not on the flood risk listBN20 8TW: not on the flood risk listBN20 8TX: not on the flood risk listBN20 8TY: not on the flood risk listBN20 8UA: not on the flood risk listBN20 8UB: not on the flood risk listBN20 8UD: not on the flood risk listBN20 8UE: not on the flood risk listBN20 8UG: not on the flood risk listBN20 8UH: not on the flood risk listBN20 8UJ: not on the flood risk listBN20 8UL: not on the flood risk listBN20 8UP: not on the flood risk listBN20 8UQ: not on the flood risk listBN20 8UT: not on the flood risk listBN20 8UU: not on the flood risk listBN20 8UX: not on the flood risk listBN20 8UY: not on the flood risk listBN20 8XA: not on the flood risk listBN20 8XD: not on the flood risk listBN20 8XH: not on the flood risk listBN20 8XJ: not on the flood risk listBN20 8XN: not on the flood risk listBN20 8XR: not on the flood risk listBN20 8XS: not on the flood risk listBN20 9AA: not on the flood risk listBN20 9AB: not on the flood risk listBN20 9AD: not on the flood risk listBN20 9AE: not on the flood risk listBN20 9AG: not on the flood risk listBN20 9AH: not on the flood risk listBN20 9AJ: not on the flood risk listBN20 9AL: not on the flood risk listBN20 9AN: not on the flood risk listBN20 9AP: not on the flood risk listBN20 9AQ: not on the flood risk listBN20 9AR: not on the flood risk listBN20 9AS: not on the flood risk listBN20 9AT: not on the flood risk listBN20 9AU: not on the flood risk listBN20 9AW: not on the flood risk listBN20 9AX: not on the flood risk listBN20 9AY: not on the flood risk listBN20 9AZ: not on the flood risk listBN20 9BA: not on the flood risk listBN20 9BB: not on the flood risk listBN20 9BE: not on the flood risk listBN20 9BH: not on the flood risk listBN20 9BJ: not on the flood risk listBN20 9BL: not on the flood risk listBN20 9BN: not on the flood risk listBN20 9BP: not on the flood risk listBN20 9BQ: not on the flood risk listBN20 9BS: not on the flood risk listBN20 9BT: not on the flood risk listBN20 9BU: not on the flood risk listBN20 9BW: not on the flood risk listBN20 9BX: not on the flood risk listBN20 9BY: not on the flood risk listBN20 9DA: not on the flood risk listBN20 9DB: not on the flood risk listBN20 9DD: not on the flood risk listBN20 9DE: not on the flood risk listBN20 9DG: not on the flood risk listBN20 9DJ: not on the flood risk listBN20 9DL: not on the flood risk listBN20 9DP: not on the flood risk listBN20 9DQ: not on the flood risk listBN20 9DT: not on the flood risk listBN20 9DU: not on the flood risk listBN20 9DX: not on the flood risk listBN20 9DY: not on the flood risk listBN20 9DZ: not on the flood risk listBN20 9EA: not on the flood risk listBN20 9EB: not on the flood risk listBN20 9EE: not on the flood risk listBN20 9EF: not on the flood risk listBN20 9EG: not on the flood risk listBN20 9EH: not on the flood risk listBN20 9EJ: not on the flood risk listBN20 9EL: not on the flood risk listBN20 9EN: not on the flood risk listBN20 9EP: not on the flood risk listBN20 9EX: not on the flood risk listBN20 9EY: not on the flood risk listBN20 9HA: not on the flood risk listBN20 9HB: not on the flood risk listBN20 9HE: not on the flood risk listBN20 9HF: not on the flood risk listBN20 9HH: not on the flood risk listBN20 9HL: not on the flood risk listBN20 9HN: not on the flood risk listBN20 9HP: not on the flood risk listBN20 9HR: not on the flood risk listBN20 9HS: not on the flood risk listBN20 9HW: not on the flood risk listBN20 9HX: not on the flood risk listBN20 9HY: not on the flood risk listBN20 9JA: not on the flood risk listBN20 9JB: not on the flood risk listBN20 9JD: not on the flood risk listBN20 9JE: not on the flood risk listBN20 9JF: not on the flood risk listBN20 9JG: not on the flood risk listBN20 9JP: not on the flood risk listBN20 9JR: not on the flood risk listBN20 9JS: not on the flood risk listBN20 9JT: not on the flood risk listBN20 9LA: not on the flood risk listBN20 9LB: not on the flood risk listBN20 9LD: not on the flood risk listBN20 9LE: not on the flood risk listBN20 9LG: not on the flood risk listBN20 9LH: not on the flood risk listBN20 9LJ: not on the flood risk listBN20 9LL: not on the flood risk listBN20 9LN: not on the flood risk listBN20 9LP: not on the flood risk listBN20 9LR: not on the flood risk listBN20 9LS: not on the flood risk listBN20 9NA: not on the flood risk listBN20 9NB: not on the flood risk listBN20 9ND: not on the flood risk listBN20 9NE: not on the flood risk listBN20 9NF: not on the flood risk listBN20 9NG: not on the flood risk listBN20 9NH: not on the flood risk listBN20 9NJ: not on the flood risk listBN20 9NL: not on the flood risk listBN20 9NN: not on the flood risk listBN20 9NR: not on the flood risk listBN20 9NS: not on the flood risk listBN20 9NT: not on the flood risk listBN20 9NU: not on the flood risk listBN20 9NX: not on the flood risk listBN20 9NY: not on the flood risk listBN20 9PG: not on the flood risk listBN20 9PH: not on the flood risk listBN20 9PJ: not on the flood risk listBN20 9PL: not on the flood risk listBN20 9PP: not on the flood risk listBN20 9PQ: not on the flood risk listBN20 9PR: not on the flood risk listBN20 9PS: not on the flood risk listBN20 9PT: not on the flood risk listBN20 9PU: not on the flood risk listBN20 9PX: not on the flood risk listBN20 9PY: not on the flood risk listBN20 9QA: not on the flood risk listBN20 9QB: not on the flood risk listBN20 9QD: not on the flood risk listBN20 9QE: not on the flood risk listBN20 9QG: not on the flood risk listBN20 9QH: not on the flood risk listBN20 9QJ: not on the flood risk listBN20 9QS: not on the flood risk listBN20 9QT: not on the flood risk listBN20 9QU: not on the flood risk listBN20 9QX: not on the flood risk listBN20 9QY: not on the flood risk listBN20 9RA: not on the flood risk listBN20 9RB: not on the flood risk listBN20 9RD: not on the flood risk listBN20 9RE: not on the flood risk listBN20 9RG: not on the flood risk listBN20 9RH: not on the flood risk listBN20 9RJ: not on the flood risk listBN20 9RL: not on the flood risk listBN20 9RN: not on the flood risk listBN20 9RP: not on the flood risk listBN20 9RR: not on the flood risk listBN20 9RS: not on the flood risk listBN20 9RY: not on the flood risk listBN20 9SA: not on the flood risk listBN20 9SB: not on the flood risk listBN20 9SD: not on the flood risk listBN20 9SE: not on the flood risk listBN20 9SF: not on the flood risk listBN20 9SG: not on the flood risk listBN20 9SH: not on the flood risk listBN20 9SJ: not on the flood risk listBN20 9SL: not on the flood risk listBN20 9SP: not on the flood risk listBN20 9SQ: not on the flood risk listBN20 9SR: not on the flood risk listBN20 9SS: not on the flood risk listBN20 9ST: not on the flood risk listBN20 9SU: not on the flood risk listBN20 9SX: not on the flood risk listBN20 9SY: not on the flood risk listBN20 7YA: high flood risk EastbourneLower WillingdonEast Dean and Friston Map of every postcode in BN20, by flood risk Of the 730 postcodes in BN20 that ONS places, 1 have a home or business at high risk and 729 are not on the Environment Agency's at-risk list. Places named: Eastbourne, Lower Willingdon, East Dean and Friston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A22 EastbourneLower WillingdonEast Dean and Friston
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 729

Of the 730 postcodes in BN20 that ONS places, 1 have a home or business at high risk and 729 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. 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 50.7752, longitude 0.2518. 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

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

BN20 7YA1 at high risk

What broadband can you get in BN20?

Ofcom reports on 721 of the 730 postcodes in BN20. At 489 of them every home and business can get gigabit broadband, and at 3 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit489 of 721
Postcodes where every home can get superfast705 of 721
Postcodes where some cannot get decent broadband3 of 721

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 BN20 at risk of flooding?

1 of the 730 postcodes in BN20 has a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 1 home or business in an area at high or medium risk.

Homes and businesses in an area at risk, at 1 of 730 postcodes High: 1

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 BN20?

Homes in BN20 sold for a typical £360,000 in the 12 months to August 2026, across 275 sales, down 5.3% on the 12 months before, HM Land Registry's figures show.

£360,000 typical price, the 12 months to August 2026
£380,000 12 months to August 2025
▼ down 5.3% on the 12 months before
  • Detached £617,500 84 sales
  • Semi-detached £377,500 52 sales
  • Terraced £347,000 48 sales
  • Flat or maisonette £259,950 91 sales

Each bar is that kind's typical price, against the most expensive kind here.

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 BN20

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

BN20 098 postcodesBN20 7225 postcodesBN20 8231 postcodesBN20 9176 postcodes
UK postcode format explained

Places in BN20

Towns and villages with postcodes in BN20, and how many each has here.

Eastbourne postcodes,523Lower Willingdon postcodes,97East Dean and Friston postcodes,84

Who covers BN20

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

  • Eastbourne531
  • Lewes199

Police force areas

  • Sussex730

Next to BN20

BN18 postcode district BN21 postcode district All BN districts Eastbourne postcodes

"Next to" is by number: the districts before and after BN20 in the BN area.

Check a postcode

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