BS20 postcode district: Portishead and around, North Somerset

BS20 is a postcode district in England, with 860 postcodes in use in 5 sectors. It has postcodes in Portishead, Pill and Easton-in-Gordano and Avonmouth. Its council is North Somerset.

Postcodes in use
860
Sectors
5
Council
North Somerset
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 BS20, by flood risk

Map of every postcode in BS20, by flood risk Of the 860 postcodes in BS20 that ONS places, 37 have a home or business at high risk, 6 are at medium risk at worst, 11 are at low risk at worst, 207 are at very low risk only and 599 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 22 postcodes at high or medium risk. Places named: Portishead, Pill and Easton-in-Gordano. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A4 BS20 0AA: not on the flood risk listBS20 0AB: not on the flood risk listBS20 0AE: not on the flood risk listBS20 0AL: not on the flood risk listBS20 0AZ: not on the flood risk listBS20 0BA: not on the flood risk listBS20 0BX: not on the flood risk listBS20 0BY: not on the flood risk listBS20 0DA: not on the flood risk listBS20 0DB: not on the flood risk listBS20 0DD: not on the flood risk listBS20 0DE: not on the flood risk listBS20 0DF: not on the flood risk listBS20 0DG: not on the flood risk listBS20 0DH: not on the flood risk listBS20 0DP: not on the flood risk listBS20 0DQ: not on the flood risk listBS20 0DR: not on the flood risk listBS20 0DS: not on the flood risk listBS20 0DT: not on the flood risk listBS20 0DU: not on the flood risk listBS20 0DW: not on the flood risk listBS20 0DX: not on the flood risk listBS20 0DY: not on the flood risk listBS20 0EB: not on the flood risk listBS20 0EF: not on the flood risk listBS20 0EH: not on the flood risk listBS20 0EQ: not on the flood risk listBS20 0ER: not on the flood risk listBS20 0EW: not on the flood risk listBS20 0EY: not on the flood risk listBS20 0FB: not on the flood risk listBS20 0FD: not on the flood risk listBS20 0FE: not on the flood risk listBS20 0FH: not on the flood risk listBS20 0HA: not on the flood risk listBS20 0HB: not on the flood risk listBS20 0HD: not on the flood risk listBS20 0HE: not on the flood risk listBS20 0HF: not on the flood risk listBS20 0HH: not on the flood risk listBS20 0HN: not on the flood risk listBS20 0HQ: not on the flood risk listBS20 0HU: not on the flood risk listBS20 0HX: not on the flood risk listBS20 0HZ: not on the flood risk listBS20 0JA: not on the flood risk listBS20 0JD: not on the flood risk listBS20 0JE: not on the flood risk listBS20 0JG: not on the flood risk listBS20 0JH: not on the flood risk listBS20 0JJ: not on the flood risk listBS20 0JL: not on the flood risk listBS20 0JN: not on the flood risk listBS20 0JQ: not on the flood risk listBS20 0JR: not on the flood risk listBS20 0JW: not on the flood risk listBS20 0JX: not on the flood risk listBS20 0JZ: not on the flood risk listBS20 0LA: not on the flood risk listBS20 0LB: not on the flood risk listBS20 0LD: not on the flood risk listBS20 0LE: not on the flood risk listBS20 0LF: not on the flood risk listBS20 0LG: not on the flood risk listBS20 0LH: not on the flood risk listBS20 0LL: not on the flood risk listBS20 0LN: not on the flood risk listBS20 0LP: not on the flood risk listBS20 0LS: not on the flood risk listBS20 0LT: not on the flood risk listBS20 0LU: not on the flood risk listBS20 0LX: not on the flood risk listBS20 0LZ: not on the flood risk listBS20 0NA: not on the flood risk listBS20 0NB: not on the flood risk listBS20 0ND: not on the flood risk listBS20 0NE: not on the flood risk listBS20 0NH: not on the flood risk listBS20 0PA: not on the flood risk listBS20 0PB: not on the flood risk listBS20 0PD: not on the flood risk listBS20 0PF: not on the flood risk listBS20 0PG: not on the flood risk listBS20 0PH: not on the flood risk listBS20 0PP: not on the flood risk listBS20 0PQ: not on the flood risk listBS20 0PR: not on the flood risk listBS20 0PS: not on the flood risk listBS20 0PT: not on the flood risk listBS20 0PU: not on the flood risk listBS20 0PW: not on the flood risk listBS20 0PX: not on the flood risk listBS20 0PY: not on the flood risk listBS20 0QB: not on the flood risk listBS20 0QD: not on the flood risk listBS20 0QE: not on the flood risk listBS20 0QF: not on the flood risk listBS20 0QG: not on the flood risk listBS20 0QJ: not on the flood risk listBS20 0QP: not on the flood risk listBS20 0QQ: not on the flood risk listBS20 0QR: not on the flood risk listBS20 0QS: not on the flood risk listBS20 0QT: not on the flood risk listBS20 0QW: not on the flood risk listBS20 6AP: not on the flood risk listBS20 6AR: not on the flood risk listBS20 6AS: not on the flood risk listBS20 6AT: not on the flood risk listBS20 6AX: not on the flood risk listBS20 6BA: not on the flood risk listBS20 6BB: not on the flood risk listBS20 6BD: not on the flood risk listBS20 6BE: not on the flood risk listBS20 6BF: not on the flood risk listBS20 6BH: not on the flood risk listBS20 6BP: not on the flood risk listBS20 6BW: not on the flood risk listBS20 6BX: not on the flood risk listBS20 6DA: not on the flood risk listBS20 6DB: not on the flood risk listBS20 6DD: not on the flood risk listBS20 6DE: not on the flood risk listBS20 6DF: not on the flood risk listBS20 6DH: not on the flood risk listBS20 6DJ: not on the flood risk listBS20 6DL: not on the flood risk listBS20 6DP: not on the flood risk listBS20 6DQ: not on the flood risk listBS20 6DR: not on the flood risk listBS20 6DT: not on the flood risk listBS20 6DU: not on the flood risk listBS20 6DW: not on the flood risk listBS20 6DY: not on the flood risk listBS20 6DZ: not on the flood risk listBS20 6EA: not on the flood risk listBS20 6EB: not on the flood risk listBS20 6ED: not on the flood risk listBS20 6EE: not on the flood risk listBS20 6EG: not on the flood risk listBS20 6EQ: not on the flood risk listBS20 6EW: not on the flood risk listBS20 6JA: not on the flood risk listBS20 6JB: not on the flood risk listBS20 6JE: not on the flood risk listBS20 6JG: not on the flood risk listBS20 6JH: not on the flood risk listBS20 6JJ: not on the flood risk listBS20 6JL: not on the flood risk listBS20 6JN: not on the flood risk listBS20 6JP: not on the flood risk listBS20 6JQ: not on the flood risk listBS20 6JR: not on the flood risk listBS20 6JS: not on the flood risk listBS20 6JT: not on the flood risk listBS20 6JU: not on the flood risk listBS20 6JX: not on the flood risk listBS20 6JY: not on the flood risk listBS20 6LA: not on the flood risk listBS20 6LB: not on the flood risk listBS20 6LD: not on the flood risk listBS20 6LF: not on the flood risk listBS20 6LG: not on the flood risk listBS20 6LH: not on the flood risk listBS20 6LJ: not on the flood risk listBS20 6LL: not on the flood risk listBS20 6LP: not on the flood risk listBS20 6LQ: not on the flood risk listBS20 6LR: not on the flood risk listBS20 6LS: not on the flood risk listBS20 6LT: not on the flood risk listBS20 6LU: not on the flood risk listBS20 6LX: not on the flood risk listBS20 6LY: not on the flood risk listBS20 6LZ: not on the flood risk listBS20 6NA: not on the flood risk listBS20 6NB: not on the flood risk listBS20 6ND: not on the flood risk listBS20 6NE: not on the flood risk listBS20 6NF: not on the flood risk listBS20 6NG: not on the flood risk listBS20 6NH: not on the flood risk listBS20 6NL: not on the flood risk listBS20 6NN: not on the flood risk listBS20 6NP: not on the flood risk listBS20 6NQ: not on the flood risk listBS20 6NW: not on the flood risk listBS20 6NX: not on the flood risk listBS20 6NY: not on the flood risk listBS20 6PB: not on the flood risk listBS20 6PE: not on the flood risk listBS20 6PG: not on the flood risk listBS20 6PH: not on the flood risk listBS20 6PQ: not on the flood risk listBS20 6PS: not on the flood risk listBS20 6PU: not on the flood risk listBS20 6PX: not on the flood risk listBS20 6QP: not on the flood risk listBS20 6QS: not on the flood risk listBS20 6QT: not on the flood risk listBS20 6QU: not on the flood risk listBS20 6QX: not on the flood risk listBS20 6RA: not on the flood risk listBS20 6RB: not on the flood risk listBS20 6RD: not on the flood risk listBS20 6RE: not on the flood risk listBS20 6RF: not on the flood risk listBS20 6RG: not on the flood risk listBS20 6RH: not on the flood risk listBS20 6RJ: not on the flood risk listBS20 6RR: not on the flood risk listBS20 6RY: not on the flood risk listBS20 6SL: not on the flood risk listBS20 6SN: not on the flood risk listBS20 6SR: not on the flood risk listBS20 6SU: not on the flood risk listBS20 6TA: not on the flood risk listBS20 6TB: not on the flood risk listBS20 6TD: not on the flood risk listBS20 6TH: not on the flood risk listBS20 6TJ: not on the flood risk listBS20 6TQ: not on the flood risk listBS20 6TT: not on the flood risk listBS20 6XA: not on the flood risk listBS20 6XB: not on the flood risk listBS20 7AB: not on the flood risk listBS20 7AH: not on the flood risk listBS20 7AL: not on the flood risk listBS20 7BD: not on the flood risk listBS20 7BG: not on the flood risk listBS20 7BH: not on the flood risk listBS20 7BS: not on the flood risk listBS20 7BU: not on the flood risk listBS20 7BZ: not on the flood risk listBS20 7DP: not on the flood risk listBS20 7DR: not on the flood risk listBS20 7DS: not on the flood risk listBS20 7DT: not on the flood risk listBS20 7DX: not on the flood risk listBS20 7DY: not on the flood risk listBS20 7DZ: not on the flood risk listBS20 7EB: not on the flood risk listBS20 7ED: not on the flood risk listBS20 7EF: not on the flood risk listBS20 7EH: not on the flood risk listBS20 7EP: not on the flood risk listBS20 7ER: not on the flood risk listBS20 7ES: not on the flood risk listBS20 7ET: not on the flood risk listBS20 7EU: not on the flood risk listBS20 7EW: not on the flood risk listBS20 7EX: not on the flood risk listBS20 7EY: not on the flood risk listBS20 7EZ: not on the flood risk listBS20 7FG: not on the flood risk listBS20 7FQ: not on the flood risk listBS20 7FW: not on the flood risk listBS20 7FZ: not on the flood risk listBS20 7GJ: not on the flood risk listBS20 7GP: not on the flood risk listBS20 7GQ: not on the flood risk listBS20 7GS: not on the flood risk listBS20 7GU: not on the flood risk listBS20 7GY: not on the flood risk listBS20 7HD: not on the flood risk listBS20 7HG: not on the flood risk listBS20 7HH: not on the flood risk listBS20 7HJ: not on the flood risk listBS20 7HN: not on the flood risk listBS20 7HP: not on the flood risk listBS20 7HQ: not on the flood risk listBS20 7HR: not on the flood risk listBS20 7HT: not on the flood risk listBS20 7HZ: not on the flood risk listBS20 7JD: not on the flood risk listBS20 7JE: not on the flood risk listBS20 7JF: not on the flood risk listBS20 7JJ: not on the flood risk listBS20 7JL: not on the flood risk listBS20 7JR: not on the flood risk listBS20 7JU: not on the flood risk listBS20 7JZ: not on the flood risk listBS20 7LY: not on the flood risk listBS20 7NB: not on the flood risk listBS20 7NE: not on the flood risk listBS20 7NF: not on the flood risk listBS20 7NG: not on the flood risk listBS20 7NL: not on the flood risk listBS20 7NN: not on the flood risk listBS20 7NX: not on the flood risk listBS20 7PF: not on the flood risk listBS20 7PN: not on the flood risk listBS20 7PP: not on the flood risk listBS20 7PX: not on the flood risk listBS20 7PZ: not on the flood risk listBS20 7QD: not on the flood risk listBS20 7QF: not on the flood risk listBS20 7QR: not on the flood risk listBS20 7RG: not on the flood risk listBS20 7RH: not on the flood risk listBS20 7RJ: not on the flood risk listBS20 7RN: not on the flood risk listBS20 7RP: not on the flood risk listBS20 7RQ: not on the flood risk listBS20 7RR: not on the flood risk listBS20 7RS: not on the flood risk listBS20 7RT: not on the flood risk listBS20 7RU: not on the flood risk listBS20 7RW: not on the flood risk listBS20 7RZ: not on the flood risk listBS20 7SA: not on the flood risk listBS20 7SB: not on the flood risk listBS20 7SD: not on the flood risk listBS20 7SE: not on the flood risk listBS20 7SF: not on the flood risk listBS20 7SJ: not on the flood risk listBS20 7SN: not on the flood risk listBS20 7SP: not on the flood risk listBS20 7SR: not on the flood risk listBS20 7TB: not on the flood risk listBS20 7TD: not on the flood risk listBS20 7TE: not on the flood risk listBS20 7TH: not on the flood risk listBS20 7TJ: not on the flood risk listBS20 7TP: not on the flood risk listBS20 7TS: not on the flood risk listBS20 7TT: not on the flood risk listBS20 7TZ: not on the flood risk listBS20 7UA: not on the flood risk listBS20 7UD: not on the flood risk listBS20 7UF: not on the flood risk listBS20 7XE: not on the flood risk listBS20 7XG: not on the flood risk listBS20 7XH: not on the flood risk listBS20 7XN: not on the flood risk listBS20 7XP: not on the flood risk listBS20 7XR: not on the flood risk listBS20 7XS: not on the flood risk listBS20 8AS: not on the flood risk listBS20 8AX: not on the flood risk listBS20 8BH: not on the flood risk listBS20 8BJ: not on the flood risk listBS20 8BL: not on the flood risk listBS20 8BN: not on the flood risk listBS20 8BP: not on the flood risk listBS20 8BS: not on the flood risk listBS20 8BT: not on the flood risk listBS20 8BU: not on the flood risk listBS20 8BX: not on the flood risk listBS20 8BY: not on the flood risk listBS20 8BZ: not on the flood risk listBS20 8DA: not on the flood risk listBS20 8DD: not on the flood risk listBS20 8DE: not on the flood risk listBS20 8DF: not on the flood risk listBS20 8DG: not on the flood risk listBS20 8DH: not on the flood risk listBS20 8DL: not on the flood risk listBS20 8DN: not on the flood risk listBS20 8DT: not on the flood risk listBS20 8DU: not on the flood risk listBS20 8DW: not on the flood risk listBS20 8DX: not on the flood risk listBS20 8DY: not on the flood risk listBS20 8DZ: not on the flood risk listBS20 8EA: not on the flood risk listBS20 8EB: not on the flood risk listBS20 8ED: not on the flood risk listBS20 8EE: not on the flood risk listBS20 8EF: not on the flood risk listBS20 8EG: not on the flood risk listBS20 8EH: not on the flood risk listBS20 8EN: not on the flood risk listBS20 8EP: not on the flood risk listBS20 8EQ: not on the flood risk listBS20 8ES: not on the flood risk listBS20 8ET: not on the flood risk listBS20 8EU: not on the flood risk listBS20 8EW: not on the flood risk listBS20 8EX: not on the flood risk listBS20 8EY: not on the flood risk listBS20 8EZ: not on the flood risk listBS20 8FD: not on the flood risk listBS20 8FE: not on the flood risk listBS20 8GA: not on the flood risk listBS20 8GB: not on the flood risk listBS20 8HA: not on the flood risk listBS20 8HD: not on the flood risk listBS20 8HE: not on the flood risk listBS20 8HF: not on the flood risk listBS20 8HG: not on the flood risk listBS20 8HJ: not on the flood risk listBS20 8HN: not on the flood risk listBS20 8HP: not on the flood risk listBS20 8HQ: not on the flood risk listBS20 8HR: not on the flood risk listBS20 8HS: not on the flood risk listBS20 8HT: not on the flood risk listBS20 8HU: not on the flood risk listBS20 8HX: not on the flood risk listBS20 8HY: not on the flood risk listBS20 8HZ: not on the flood risk listBS20 8JA: not on the flood risk listBS20 8JB: not on the flood risk listBS20 8JD: not on the flood risk listBS20 8JE: not on the flood risk listBS20 8JF: not on the flood risk listBS20 8JJ: not on the flood risk listBS20 8JL: not on the flood risk listBS20 8JP: not on the flood risk listBS20 8JQ: not on the flood risk listBS20 8JR: not on the flood risk listBS20 8JT: not on the flood risk listBS20 8JU: not on the flood risk listBS20 8JW: not on the flood risk listBS20 8JX: not on the flood risk listBS20 8JY: not on the flood risk listBS20 8JZ: not on the flood risk listBS20 8LA: not on the flood risk listBS20 8LB: not on the flood risk listBS20 8LD: not on the flood risk listBS20 8LE: not on the flood risk listBS20 8LF: not on the flood risk listBS20 8LG: not on the flood risk listBS20 8LH: not on the flood risk listBS20 8LJ: not on the flood risk listBS20 8LL: not on the flood risk listBS20 8LN: not on the flood risk listBS20 8LP: not on the flood risk listBS20 8LQ: not on the flood risk listBS20 8LS: not on the flood risk listBS20 8LU: not on the flood risk listBS20 8LX: not on the flood risk listBS20 8NB: not on the flood risk listBS20 8ND: not on the flood risk listBS20 8NN: not on the flood risk listBS20 8PG: not on the flood risk listBS20 8PN: not on the flood risk listBS20 8PS: not on the flood risk listBS20 8PT: not on the flood risk listBS20 8PU: not on the flood risk listBS20 8PW: not on the flood risk listBS20 8PX: not on the flood risk listBS20 8PY: not on the flood risk listBS20 8PZ: not on the flood risk listBS20 8QA: not on the flood risk listBS20 8QD: not on the flood risk listBS20 8QE: not on the flood risk listBS20 8QY: not on the flood risk listBS20 8RA: not on the flood risk listBS20 8RE: not on the flood risk listBS20 8RF: not on the flood risk listBS20 8RH: not on the flood risk listBS20 8RJ: not on the flood risk listBS20 8RL: not on the flood risk listBS20 8RN: not on the flood risk listBS20 8RR: not on the flood risk listBS20 8RW: not on the flood risk listBS20 6AL: very low flood risk onlyBS20 6AA: very low flood risk onlyBS20 6AB: very low flood risk onlyBS20 6AF: very low flood risk onlyBS20 6AG: very low flood risk onlyBS20 6AJ: very low flood risk onlyBS20 6AN: very low flood risk onlyBS20 6AQ: very low flood risk onlyBS20 6BJ: very low flood risk onlyBS20 6BN: very low flood risk onlyBS20 6BQ: very low flood risk onlyBS20 6BT: very low flood risk onlyBS20 6BZ: very low flood risk onlyBS20 6PJ: very low flood risk onlyBS20 6PN: very low flood risk onlyBS20 6PP: very low flood risk onlyBS20 6PR: very low flood risk onlyBS20 6PT: very low flood risk onlyBS20 6PW: very low flood risk onlyBS20 6PZ: very low flood risk onlyBS20 6QA: very low flood risk onlyBS20 6QB: very low flood risk onlyBS20 6QD: very low flood risk onlyBS20 6QE: very low flood risk onlyBS20 6QF: very low flood risk onlyBS20 6QG: very low flood risk onlyBS20 6QJ: very low flood risk onlyBS20 6QL: very low flood risk onlyBS20 6QN: very low flood risk onlyBS20 6QW: very low flood risk onlyBS20 6QY: very low flood risk onlyBS20 6QZ: very low flood risk onlyBS20 6RZ: very low flood risk onlyBS20 6SZ: very low flood risk onlyBS20 6TE: very low flood risk onlyBS20 6UN: very low flood risk onlyBS20 6UP: very low flood risk onlyBS20 6US: very low flood risk onlyBS20 6UT: very low flood risk onlyBS20 6UW: very low flood risk onlyBS20 6UY: very low flood risk onlyBS20 6XY: very low flood risk onlyBS20 6XZ: very low flood risk onlyBS20 6YA: very low flood risk onlyBS20 6YE: very low flood risk onlyBS20 6YH: very low flood risk onlyBS20 6YL: very low flood risk onlyBS20 6YN: very low flood risk onlyBS20 6YQ: very low flood risk onlyBS20 6YR: very low flood risk onlyBS20 6YS: very low flood risk onlyBS20 6YU: very low flood risk onlyBS20 6YW: very low flood risk onlyBS20 6YY: very low flood risk onlyBS20 6ZE: very low flood risk onlyBS20 7AA: very low flood risk onlyBS20 7EA: very low flood risk onlyBS20 7AE: very low flood risk onlyBS20 7AQ: very low flood risk onlyBS20 7AJ: very low flood risk onlyBS20 7AN: very low flood risk onlyBS20 7AR: very low flood risk onlyBS20 7AS: very low flood risk onlyBS20 7AT: very low flood risk onlyBS20 7AX: very low flood risk onlyBS20 7AW: very low flood risk onlyBS20 7BA: very low flood risk onlyBS20 7BB: very low flood risk onlyBS20 7BJ: very low flood risk onlyBS20 7BL: very low flood risk onlyBS20 7BN: very low flood risk onlyBS20 7BQ: very low flood risk onlyBS20 7BX: very low flood risk onlyBS20 7BY: very low flood risk onlyBS20 7DB: very low flood risk onlyBS20 7DD: very low flood risk onlyBS20 7DE: very low flood risk onlyBS20 7DF: very low flood risk onlyBS20 7DH: very low flood risk onlyBS20 7DL: very low flood risk onlyBS20 7EL: very low flood risk onlyBS20 7FB: very low flood risk onlyBS20 7FF: very low flood risk onlyBS20 7FH: very low flood risk onlyBS20 7FJ: very low flood risk onlyBS20 7FL: very low flood risk onlyBS20 7FN: very low flood risk onlyBS20 7FP: very low flood risk onlyBS20 7FR: very low flood risk onlyBS20 7FS: very low flood risk onlyBS20 7FT: very low flood risk onlyBS20 7FU: very low flood risk onlyBS20 7GA: very low flood risk onlyBS20 7GD: very low flood risk onlyBS20 7GF: very low flood risk onlyBS20 7GG: very low flood risk onlyBS20 7GH: very low flood risk onlyBS20 7HY: very low flood risk onlyBS20 7JG: very low flood risk onlyBS20 7JS: very low flood risk onlyBS20 7JX: very low flood risk onlyBS20 7JY: very low flood risk onlyBS20 7LA: very low flood risk onlyBS20 7LB: very low flood risk onlyBS20 7LD: very low flood risk onlyBS20 7LE: very low flood risk onlyBS20 7LF: very low flood risk onlyBS20 7LG: very low flood risk onlyBS20 7LH: very low flood risk onlyBS20 7LJ: very low flood risk onlyBS20 7LL: very low flood risk onlyBS20 7LN: very low flood risk onlyBS20 7LP: very low flood risk onlyBS20 7LQ: very low flood risk onlyBS20 7LR: very low flood risk onlyBS20 7LS: very low flood risk onlyBS20 7LU: very low flood risk onlyBS20 7LW: very low flood risk onlyBS20 7LX: very low flood risk onlyBS20 7LZ: very low flood risk onlyBS20 7NA: very low flood risk onlyBS20 7NJ: very low flood risk onlyBS20 7NQ: very low flood risk onlyBS20 7NT: very low flood risk onlyBS20 7NY: very low flood risk onlyBS20 7NZ: very low flood risk onlyBS20 7PA: very low flood risk onlyBS20 7PB: very low flood risk onlyBS20 7PD: very low flood risk onlyBS20 7PE: very low flood risk onlyBS20 7PJ: very low flood risk onlyBS20 7PL: very low flood risk onlyBS20 7PR: very low flood risk onlyBS20 7PS: very low flood risk onlyBS20 7PT: very low flood risk onlyBS20 7PW: very low flood risk onlyBS20 7QA: very low flood risk onlyBS20 7QE: very low flood risk onlyBS20 7QH: very low flood risk onlyBS20 7QJ: very low flood risk onlyBS20 7QL: very low flood risk onlyBS20 7QT: very low flood risk onlyBS20 7QX: very low flood risk onlyBS20 7QY: very low flood risk onlyBS20 7QZ: very low flood risk onlyBS20 7RA: very low flood risk onlyBS20 7RB: very low flood risk onlyBS20 7RD: very low flood risk onlyBS20 7RE: very low flood risk onlyBS20 7RF: very low flood risk onlyBS20 7RX: very low flood risk onlyBS20 7SH: very low flood risk onlyBS20 7SS: very low flood risk onlyBS20 7SX: very low flood risk onlyBS20 7TF: very low flood risk onlyBS20 7TG: very low flood risk onlyBS20 7UG: very low flood risk onlyBS20 7WW: very low flood risk onlyBS20 7XJ: very low flood risk onlyBS20 7XW: very low flood risk onlyBS20 8LR: very low flood risk onlyBS20 8PL: very low flood risk onlyBS20 8PR: very low flood risk onlyBS20 0BJ: low flood risk at worstBS20 0BH: low flood risk at worstBS20 0DJ: low flood risk at worstBS20 0EZ: low flood risk at worstBS20 0HT: low flood risk at worstBS20 7HX: low flood risk at worstBS20 7TN: low flood risk at worstBS20 7TQ: low flood risk at worstBS20 7TY: low flood risk at worstBS20 0BN: medium flood risk at worstBS20 0EN: medium flood risk at worstBS20 0JS: medium flood risk at worstBS20 7HB: medium flood risk at worstBS20 7RY: medium flood risk at worstBS20 8DR: medium flood risk at worstBS20 0AD: high flood riskBS20 0AF: high flood riskBS20 0AS: high flood riskBS20 0AT: high flood riskBS20 0BB: high flood riskBS20 0BD: high flood riskBS20 0BE: high flood riskBS20 0BG: high flood riskBS20 0BL: high flood riskBS20 0BP: high flood riskBS20 0EJ: high flood riskBS20 0EP: high flood riskBS20 0ES: high flood riskBS20 0HJ: high flood riskBS20 0HL: high flood riskBS20 0JP: high flood riskBS20 0QH: high flood riskBS20 6JZ: high flood riskBS20 7AF: high flood riskBS20 7HA: high flood riskBS20 7HF: high flood riskBS20 7HU: high flood riskBS20 7JA: high flood riskBS20 7PG: high flood riskBS20 7TR: high flood riskBS20 7TW: high flood riskBS20 7TX: high flood riskBS20 7UB: high flood riskBS20 7XF: high flood riskBS20 7XL: high flood riskBS20 7XQ: high flood risk PortisheadPill and Easton-in-Gordano Map of every postcode in BS20, by flood risk Of the 860 postcodes in BS20 that ONS places, 37 have a home or business at high risk, 6 are at medium risk at worst, 11 are at low risk at worst, 207 are at very low risk only and 599 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 22 postcodes at high or medium risk. Places named: Portishead. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A4 Portishead
  • A home or business at high risk: 37
  • At medium risk at worst: 6
  • At low risk at worst: 11
  • At very low risk only: 207
  • Not on the at-risk list: 599
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 860 postcodes in BS20 that ONS places, 37 have a home or business at high risk, 6 are at medium risk at worst, 11 are at low risk at worst, 207 are at very low risk only and 599 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 160 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 51.4806, longitude -2.7536. 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

37 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.

BS20 0AS20 at high riskBS20 0AH19 at high riskBS20 0BD18 at high riskBS20 0BE18 at high riskBS20 0AF10 at high riskBS20 0AT10 at high riskBS20 7XL9 at high riskBS20 7PG8 at high riskBS20 0EJ7 at high riskBS20 0AQ6 at high riskBS20 0BG4 at high riskBS20 0EU4 at high risk

Where the postcodes at high or medium risk lie together

  • 22 postcodes at high or medium risk, outlined on the map. BS20 0AS, is the one with most homes and businesses at high risk.

What broadband can you get in BS20?

Ofcom reports on 831 of the 860 postcodes in BS20. At 603 of them every home and business can get gigabit broadband, and at 4 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit603 of 831
Postcodes where every home can get superfast771 of 831
Postcodes where some cannot get decent broadband4 of 831

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 BS20 at risk of flooding?

261 of the 860 postcodes in BS20 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 254 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 261 of 860 postcodes High: 178Medium: 76Low: 98Very low: 4,428

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 BS20?

Homes in BS20 sold for a typical £390,000 in the 12 months to August 2026, across 465 sales, up 1.3% on the 12 months before, HM Land Registry's figures show.

£390,000 typical price, the 12 months to August 2026
£385,000 12 months to August 2025
▲ up 1.3% on the 12 months before
  • Detached £525,000 145 sales
  • Semi-detached £382,500 109 sales
  • Terraced £375,000 103 sales
  • Flat or maisonette £212,875 108 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 BS20

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

BS20 0175 postcodesBS20 114 postcodesBS20 6228 postcodesBS20 7300 postcodesBS20 8143 postcodes
UK postcode format explained

Places in BS20

Towns and villages with postcodes in BS20, and how many each has here.

Portishead postcodes,604Pill and Easton-in-Gordano postcodes,161Avonmouth postcodes,23

Who covers BS20

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

  • North Somerset860

Police force areas

  • Avon and Somerset860

Next to BS20

BS16 postcode district BS21 postcode district All BS districts Portishead postcodes

"Next to" is by number: the districts before and after BS20 in the BS area.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.