BN27 postcode district: Hailsham and around, East Sussex

BN27 is a postcode district in East Sussex, with 1,134 postcodes in use in 5 sectors. It has postcodes in Hailsham, Herstmonceux and Hellingly. Its council is Wealden.

Postcodes in use
1,134
Sectors
5
Council
Wealden
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 BN27, by flood risk

Map of every postcode in BN27, by flood risk Of the 1,134 postcodes in BN27 that ONS places, 18 have a home or business at high risk, 11 are at medium risk at worst, 12 are at low risk at worst, 2 are at very low risk only and 1,091 are not on the Environment Agency's at-risk list. Places named: Hailsham, Herstmonceux, Hellingly. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A259 BN27 1AA: not on the flood risk listBN27 1AB: not on the flood risk listBN27 1AE: not on the flood risk listBN27 1AG: not on the flood risk listBN27 1AN: not on the flood risk listBN27 1AP: not on the flood risk listBN27 1AQ: not on the flood risk listBN27 1AS: not on the flood risk listBN27 1BA: not on the flood risk listBN27 1BH: not on the flood risk listBN27 1BN: not on the flood risk listBN27 1BY: not on the flood risk listBN27 1BZ: not on the flood risk listBN27 1DG: not on the flood risk listBN27 1DS: not on the flood risk listBN27 1DT: not on the flood risk listBN27 1DU: not on the flood risk listBN27 1DY: not on the flood risk listBN27 1EA: not on the flood risk listBN27 1EF: not on the flood risk listBN27 1EG: not on the flood risk listBN27 1EP: not on the flood risk listBN27 1EQ: not on the flood risk listBN27 1ER: not on the flood risk listBN27 1ET: not on the flood risk listBN27 1EU: not on the flood risk listBN27 1EY: not on the flood risk listBN27 1FA: not on the flood risk listBN27 1FB: not on the flood risk listBN27 1FH: not on the flood risk listBN27 1FJ: not on the flood risk listBN27 1FR: not on the flood risk listBN27 1FS: not on the flood risk listBN27 1FX: not on the flood risk listBN27 1FZ: not on the flood risk listBN27 1GA: not on the flood risk listBN27 1GB: not on the flood risk listBN27 1GF: not on the flood risk listBN27 1GG: not on the flood risk listBN27 1GJ: not on the flood risk listBN27 1GL: not on the flood risk listBN27 1GN: not on the flood risk listBN27 1GP: not on the flood risk listBN27 1GS: not on the flood risk listBN27 1GU: not on the flood risk listBN27 1GW: not on the flood risk listBN27 1GZ: not on the flood risk listBN27 1HA: not on the flood risk listBN27 1HB: not on the flood risk listBN27 1HD: not on the flood risk listBN27 1HE: not on the flood risk listBN27 1HG: not on the flood risk listBN27 1HH: not on the flood risk listBN27 1HL: not on the flood risk listBN27 1HP: not on the flood risk listBN27 1HR: not on the flood risk listBN27 1HX: not on the flood risk listBN27 1HY: not on the flood risk listBN27 1JA: not on the flood risk listBN27 1JB: not on the flood risk listBN27 1JE: not on the flood risk listBN27 1JJ: not on the flood risk listBN27 1JL: not on the flood risk listBN27 1JN: not on the flood risk listBN27 1JP: not on the flood risk listBN27 1JS: not on the flood risk listBN27 1LA: not on the flood risk listBN27 1LB: not on the flood risk listBN27 1LD: not on the flood risk listBN27 1LF: not on the flood risk listBN27 1LG: not on the flood risk listBN27 1LH: not on the flood risk listBN27 1LJ: not on the flood risk listBN27 1LL: not on the flood risk listBN27 1LN: not on the flood risk listBN27 1LP: not on the flood risk listBN27 1LR: not on the flood risk listBN27 1LT: not on the flood risk listBN27 1LU: not on the flood risk listBN27 1LZ: not on the flood risk listBN27 1NB: not on the flood risk listBN27 1NH: not on the flood risk listBN27 1NN: not on the flood risk listBN27 1NP: not on the flood risk listBN27 1NQ: not on the flood risk listBN27 1NU: not on the flood risk listBN27 1PA: not on the flood risk listBN27 1PB: not on the flood risk listBN27 1PD: not on the flood risk listBN27 1PE: not on the flood risk listBN27 1PJ: not on the flood risk listBN27 1PL: not on the flood risk listBN27 1PN: not on the flood risk listBN27 1PP: not on the flood risk listBN27 1PR: not on the flood risk listBN27 1PS: not on the flood risk listBN27 1PU: not on the flood risk listBN27 1PW: not on the flood risk listBN27 1PX: not on the flood risk listBN27 1PY: not on the flood risk listBN27 1QA: not on the flood risk listBN27 1QE: not on the flood risk listBN27 1QH: not on the flood risk listBN27 1QJ: not on the flood risk listBN27 1QL: not on the flood risk listBN27 1QN: not on the flood risk listBN27 1QW: not on the flood risk listBN27 1RB: not on the flood risk listBN27 1RF: not on the flood risk listBN27 1RG: not on the flood risk listBN27 1RH: not on the flood risk listBN27 1RJ: not on the flood risk listBN27 1RL: not on the flood risk listBN27 1RN: not on the flood risk listBN27 1RQ: not on the flood risk listBN27 1RR: not on the flood risk listBN27 1RS: not on the flood risk listBN27 1RU: not on the flood risk listBN27 1RX: not on the flood risk listBN27 1RY: not on the flood risk listBN27 1SG: not on the flood risk listBN27 1SP: not on the flood risk listBN27 1SR: not on the flood risk listBN27 1ST: not on the flood risk listBN27 1SX: not on the flood risk listBN27 1SY: not on the flood risk listBN27 1TA: not on the flood risk listBN27 1TD: not on the flood risk listBN27 1TG: not on the flood risk listBN27 1TP: not on the flood risk listBN27 1TQ: not on the flood risk listBN27 1TT: not on the flood risk listBN27 1TU: not on the flood risk listBN27 1TZ: not on the flood risk listBN27 1UE: not on the flood risk listBN27 1UJ: not on the flood risk listBN27 1UP: not on the flood risk listBN27 1UQ: not on the flood risk listBN27 1UT: not on the flood risk listBN27 1UU: not on the flood risk listBN27 1UX: not on the flood risk listBN27 1UZ: not on the flood risk listBN27 2AD: not on the flood risk listBN27 2AG: not on the flood risk listBN27 2AH: not on the flood risk listBN27 2AJ: not on the flood risk listBN27 2AL: not on the flood risk listBN27 2AN: not on the flood risk listBN27 2AT: not on the flood risk listBN27 2AX: not on the flood risk listBN27 2BD: not on the flood risk listBN27 2BN: not on the flood risk listBN27 2BX: not on the flood risk listBN27 2BY: not on the flood risk listBN27 2BZ: not on the flood risk listBN27 2DB: not on the flood risk listBN27 2DD: not on the flood risk listBN27 2DE: not on the flood risk listBN27 2DG: not on the flood risk listBN27 2DH: not on the flood risk listBN27 2DN: not on the flood risk listBN27 2DS: not on the flood risk listBN27 2DU: not on the flood risk listBN27 2DZ: not on the flood risk listBN27 2EG: not on the flood risk listBN27 2EL: not on the flood risk listBN27 2ER: not on the flood risk listBN27 2ES: not on the flood risk listBN27 2EY: not on the flood risk listBN27 2FA: not on the flood risk listBN27 2FD: not on the flood risk listBN27 2FE: not on the flood risk listBN27 2FG: not on the flood risk listBN27 2FH: not on the flood risk listBN27 2FJ: not on the flood risk listBN27 2FN: not on the flood risk listBN27 2FP: not on the flood risk listBN27 2FR: not on the flood risk listBN27 2FS: not on the flood risk listBN27 2FT: not on the flood risk listBN27 2FU: not on the flood risk listBN27 2FW: not on the flood risk listBN27 2FY: not on the flood risk listBN27 2FZ: not on the flood risk listBN27 2GA: not on the flood risk listBN27 2GD: not on the flood risk listBN27 2GE: not on the flood risk listBN27 2GF: not on the flood risk listBN27 2GG: not on the flood risk listBN27 2GJ: not on the flood risk listBN27 2GX: not on the flood risk listBN27 2GY: not on the flood risk listBN27 2GZ: not on the flood risk listBN27 2HH: not on the flood risk listBN27 2HL: not on the flood risk listBN27 2HQ: not on the flood risk listBN27 2HT: not on the flood risk listBN27 2HZ: not on the flood risk listBN27 2JH: not on the flood risk listBN27 2JL: not on the flood risk listBN27 2JP: not on the flood risk listBN27 2JQ: not on the flood risk listBN27 2JT: not on the flood risk listBN27 2JX: not on the flood risk listBN27 2JZ: not on the flood risk listBN27 2LF: not on the flood risk listBN27 2LH: not on the flood risk listBN27 2LS: not on the flood risk listBN27 2NB: not on the flood risk listBN27 2ND: not on the flood risk listBN27 2NJ: not on the flood risk listBN27 2NT: not on the flood risk listBN27 2PD: not on the flood risk listBN27 2PH: not on the flood risk listBN27 2RD: not on the flood risk listBN27 2RH: not on the flood risk listBN27 2RJ: not on the flood risk listBN27 2RL: not on the flood risk listBN27 2RT: not on the flood risk listBN27 2RU: not on the flood risk listBN27 2RX: not on the flood risk listBN27 2SB: not on the flood risk listBN27 2SE: not on the flood risk listBN27 2SG: not on the flood risk listBN27 2SJ: not on the flood risk listBN27 2SL: not on the flood risk listBN27 2SN: not on the flood risk listBN27 2SQ: not on the flood risk listBN27 2SR: not on the flood risk listBN27 3AA: not on the flood risk listBN27 3AB: not on the flood risk listBN27 3AD: not on the flood risk listBN27 3AE: not on the flood risk listBN27 3AL: not on the flood risk listBN27 3AN: not on the flood risk listBN27 3AP: not on the flood risk listBN27 3AQ: not on the flood risk listBN27 3AR: not on the flood risk listBN27 3AS: not on the flood risk listBN27 3AT: not on the flood risk listBN27 3AW: not on the flood risk listBN27 3AZ: not on the flood risk listBN27 3BA: not on the flood risk listBN27 3BD: not on the flood risk listBN27 3BF: not on the flood risk listBN27 3BH: not on the flood risk listBN27 3BJ: not on the flood risk listBN27 3BN: not on the flood risk listBN27 3BP: not on the flood risk listBN27 3BQ: not on the flood risk listBN27 3BS: not on the flood risk listBN27 3BT: not on the flood risk listBN27 3BU: not on the flood risk listBN27 3BY: not on the flood risk listBN27 3BZ: not on the flood risk listBN27 3DA: not on the flood risk listBN27 3DB: not on the flood risk listBN27 3DE: not on the flood risk listBN27 3DF: not on the flood risk listBN27 3DH: not on the flood risk listBN27 3DP: not on the flood risk listBN27 3DR: not on the flood risk listBN27 3DS: not on the flood risk listBN27 3DW: not on the flood risk listBN27 3DY: not on the flood risk listBN27 3DZ: not on the flood risk listBN27 3ED: not on the flood risk listBN27 3EH: not on the flood risk listBN27 3EN: not on the flood risk listBN27 3EQ: not on the flood risk listBN27 3ER: not on the flood risk listBN27 3ES: not on the flood risk listBN27 3ET: not on the flood risk listBN27 3EU: not on the flood risk listBN27 3EW: not on the flood risk listBN27 3FW: not on the flood risk listBN27 3FX: not on the flood risk listBN27 3FY: not on the flood risk listBN27 3FZ: not on the flood risk listBN27 3GB: not on the flood risk listBN27 3GD: not on the flood risk listBN27 3GE: not on the flood risk listBN27 3GF: not on the flood risk listBN27 3GH: not on the flood risk listBN27 3GN: not on the flood risk listBN27 3GP: not on the flood risk listBN27 3GU: not on the flood risk listBN27 3GY: not on the flood risk listBN27 3HD: not on the flood risk listBN27 3HE: not on the flood risk listBN27 3HH: not on the flood risk listBN27 3HJ: not on the flood risk listBN27 3HL: not on the flood risk listBN27 3HP: not on the flood risk listBN27 3HS: not on the flood risk listBN27 3HT: not on the flood risk listBN27 3HU: not on the flood risk listBN27 3HY: not on the flood risk listBN27 3JD: not on the flood risk listBN27 3JF: not on the flood risk listBN27 3JL: not on the flood risk listBN27 3JN: not on the flood risk listBN27 3JQ: not on the flood risk listBN27 3JR: not on the flood risk listBN27 3JT: not on the flood risk listBN27 3JU: not on the flood risk listBN27 3JZ: not on the flood risk listBN27 3LE: not on the flood risk listBN27 3LF: not on the flood risk listBN27 3LH: not on the flood risk listBN27 3LJ: not on the flood risk listBN27 3LL: not on the flood risk listBN27 3LR: not on the flood risk listBN27 3LX: not on the flood risk listBN27 3LY: not on the flood risk listBN27 3LZ: not on the flood risk listBN27 3NB: not on the flood risk listBN27 3ND: not on the flood risk listBN27 3NE: not on the flood risk listBN27 3NF: not on the flood risk listBN27 3NH: not on the flood risk listBN27 3NJ: not on the flood risk listBN27 3NP: not on the flood risk listBN27 3NQ: not on the flood risk listBN27 3NU: not on the flood risk listBN27 3NW: not on the flood risk listBN27 3NX: not on the flood risk listBN27 3PA: not on the flood risk listBN27 3PE: not on the flood risk listBN27 3PF: not on the flood risk listBN27 3PG: not on the flood risk listBN27 3PH: not on the flood risk listBN27 3PJ: not on the flood risk listBN27 3PL: not on the flood risk listBN27 3PN: not on the flood risk listBN27 3PP: not on the flood risk listBN27 3PQ: not on the flood risk listBN27 3PU: not on the flood risk listBN27 3PW: not on the flood risk listBN27 3PX: not on the flood risk listBN27 3PY: not on the flood risk listBN27 3QA: not on the flood risk listBN27 3QB: not on the flood risk listBN27 3QD: not on the flood risk listBN27 3QF: not on the flood risk listBN27 3QG: not on the flood risk listBN27 3QH: not on the flood risk listBN27 3QJ: not on the flood risk listBN27 3QL: not on the flood risk listBN27 3QP: not on the flood risk listBN27 3QR: not on the flood risk listBN27 3QT: not on the flood risk listBN27 3QU: not on the flood risk listBN27 3QW: not on the flood risk listBN27 3QX: not on the flood risk listBN27 3QY: not on the flood risk listBN27 3RA: not on the flood risk listBN27 3RB: not on the flood risk listBN27 3RD: not on the flood risk listBN27 3RE: not on the flood risk listBN27 3RF: not on the flood risk listBN27 3RG: not on the flood risk listBN27 3RH: not on the flood risk listBN27 3RN: not on the flood risk listBN27 3RP: not on the flood risk listBN27 3RQ: not on the flood risk listBN27 3RR: not on the flood risk listBN27 3RW: not on the flood risk listBN27 3SB: not on the flood risk listBN27 3SG: not on the flood risk listBN27 3SN: not on the flood risk listBN27 3SS: not on the flood risk listBN27 3ST: not on the flood risk listBN27 3SY: not on the flood risk listBN27 3SZ: not on the flood risk listBN27 3TA: not on the flood risk listBN27 3TB: not on the flood risk listBN27 3TD: not on the flood risk listBN27 3TE: not on the flood risk listBN27 3TF: not on the flood risk listBN27 3TG: not on the flood risk listBN27 3TH: not on the flood risk listBN27 3TJ: not on the flood risk listBN27 3TP: not on the flood risk listBN27 3TQ: not on the flood risk listBN27 3TS: not on the flood risk listBN27 3TW: not on the flood risk listBN27 3UA: not on the flood risk listBN27 3UB: not on the flood risk listBN27 3UD: not on the flood risk listBN27 3UG: not on the flood risk listBN27 3UQ: not on the flood risk listBN27 3UT: not on the flood risk listBN27 3UW: not on the flood risk listBN27 3UX: not on the flood risk listBN27 3UY: not on the flood risk listBN27 3WA: not on the flood risk listBN27 3WB: not on the flood risk listBN27 3WD: not on the flood risk listBN27 3WE: not on the flood risk listBN27 3WZ: not on the flood risk listBN27 3XA: not on the flood risk listBN27 3XB: not on the flood risk listBN27 3XD: not on the flood risk listBN27 3XE: not on the flood risk listBN27 3XG: not on the flood risk listBN27 3YD: not on the flood risk listBN27 3YG: not on the flood risk listBN27 3YN: not on the flood risk listBN27 3YR: not on the flood risk listBN27 3YW: not on the flood risk listBN27 3YX: not on the flood risk listBN27 3ZA: not on the flood risk listBN27 3ZB: not on the flood risk listBN27 3ZD: not on the flood risk listBN27 3ZL: not on the flood risk listBN27 4AA: not on the flood risk listBN27 4AB: not on the flood risk listBN27 4AD: not on the flood risk listBN27 4AE: not on the flood risk listBN27 4AF: not on the flood risk listBN27 4AH: not on the flood risk listBN27 4AJ: not on the flood risk listBN27 4AL: not on the flood risk listBN27 4AN: not on the flood risk listBN27 4AU: not on the flood risk listBN27 4AW: not on the flood risk listBN27 4AY: not on the flood risk listBN27 4BA: not on the flood risk listBN27 4BB: not on the flood risk listBN27 4BE: not on the flood risk listBN27 4BF: not on the flood risk listBN27 4BG: not on the flood risk listBN27 4BH: not on the flood risk listBN27 4BJ: not on the flood risk listBN27 4BL: not on the flood risk listBN27 4BN: not on the flood risk listBN27 4BP: not on the flood risk listBN27 4BQ: not on the flood risk listBN27 4BS: not on the flood risk listBN27 4BT: not on the flood risk listBN27 4BU: not on the flood risk listBN27 4BW: not on the flood risk listBN27 4BY: not on the flood risk listBN27 4BZ: not on the flood risk listBN27 4DA: not on the flood risk listBN27 4DB: not on the flood risk listBN27 4DE: not on the flood risk listBN27 4DF: not on the flood risk listBN27 4DP: not on the flood risk listBN27 4DQ: not on the flood risk listBN27 4DR: not on the flood risk listBN27 4DS: not on the flood risk listBN27 4DT: not on the flood risk listBN27 4DU: not on the flood risk listBN27 4DW: not on the flood risk listBN27 4DY: not on the flood risk listBN27 4DZ: not on the flood risk listBN27 4EA: not on the flood risk listBN27 4EB: not on the flood risk listBN27 4ED: not on the flood risk listBN27 4EE: not on the flood risk listBN27 4EF: not on the flood risk listBN27 4EG: not on the flood risk listBN27 4EL: not on the flood risk listBN27 4EN: not on the flood risk listBN27 4EP: not on the flood risk listBN27 4ES: not on the flood risk listBN27 4ET: not on the flood risk listBN27 4EZ: not on the flood risk listBN27 4FA: not on the flood risk listBN27 4FB: not on the flood risk listBN27 4FD: not on the flood risk listBN27 4FE: not on the flood risk listBN27 4FF: not on the flood risk listBN27 4FG: not on the flood risk listBN27 4FH: not on the flood risk listBN27 4FL: not on the flood risk listBN27 4FP: not on the flood risk listBN27 4FQ: not on the flood risk listBN27 4FR: not on the flood risk listBN27 4FT: not on the flood risk listBN27 4FU: not on the flood risk listBN27 4FZ: not on the flood risk listBN27 4GB: not on the flood risk listBN27 4GD: not on the flood risk listBN27 4GF: not on the flood risk listBN27 4GG: not on the flood risk listBN27 4HB: not on the flood risk listBN27 4HE: not on the flood risk listBN27 4HF: not on the flood risk listBN27 4HG: not on the flood risk listBN27 4HJ: not on the flood risk listBN27 4HT: not on the flood risk listBN27 4HU: not on the flood risk listBN27 4HX: not on the flood risk listBN27 4HY: not on the flood risk listBN27 4HZ: not on the flood risk listBN27 4JA: not on the flood risk listBN27 4JB: not on the flood risk listBN27 4JD: not on the flood risk listBN27 4JF: not on the flood risk listBN27 4JG: not on the flood risk listBN27 4JH: not on the flood risk listBN27 4JJ: not on the flood risk listBN27 4JP: not on the flood risk listBN27 4JQ: not on the flood risk listBN27 4JR: not on the flood risk listBN27 4JT: not on the flood risk listBN27 4JU: not on the flood risk listBN27 4LA: not on the flood risk listBN27 4LB: not on the flood risk listBN27 4LH: not on the flood risk listBN27 4LJ: not on the flood risk listBN27 4LL: not on the flood risk listBN27 4LR: not on the flood risk listBN27 4LS: not on the flood risk listBN27 4LU: not on the flood risk listBN27 4NA: not on the flood risk listBN27 4NB: not on the flood risk listBN27 4NF: not on the flood risk listBN27 4NR: not on the flood risk listBN27 4NS: not on the flood risk listBN27 4NX: not on the flood risk listBN27 4PB: not on the flood risk listBN27 4PG: not on the flood risk listBN27 4PL: not on the flood risk listBN27 4PN: not on the flood risk listBN27 4PP: not on the flood risk listBN27 4PR: not on the flood risk listBN27 4PT: not on the flood risk listBN27 4QD: not on the flood risk listBN27 4QG: not on the flood risk listBN27 4QH: not on the flood risk listBN27 4QJ: not on the flood risk listBN27 4QL: not on the flood risk listBN27 4QN: not on the flood risk listBN27 4QP: not on the flood risk listBN27 4QQ: not on the flood risk listBN27 4QS: not on the flood risk listBN27 4QT: not on the flood risk listBN27 4QU: not on the flood risk listBN27 4QW: not on the flood risk listBN27 4QX: not on the flood risk listBN27 4QY: not on the flood risk listBN27 4RA: not on the flood risk listBN27 4RB: not on the flood risk listBN27 4RD: not on the flood risk listBN27 4RE: not on the flood risk listBN27 4RH: not on the flood risk listBN27 4RJ: not on the flood risk listBN27 4RR: not on the flood risk listBN27 4RS: not on the flood risk listBN27 4RT: not on the flood risk listBN27 4RX: not on the flood risk listBN27 4RY: not on the flood risk listBN27 4SB: not on the flood risk listBN27 4SD: not on the flood risk listBN27 4SF: not on the flood risk listBN27 4SG: not on the flood risk listBN27 4SH: not on the flood risk listBN27 4SJ: not on the flood risk listBN27 4SQ: not on the flood risk listBN27 4SS: not on the flood risk listBN27 4ST: not on the flood risk listBN27 4SX: not on the flood risk listBN27 4TA: not on the flood risk listBN27 4TF: not on the flood risk listBN27 4TG: not on the flood risk listBN27 4TJ: not on the flood risk listBN27 4TP: not on the flood risk listBN27 4TR: not on the flood risk listBN27 4TU: not on the flood risk listBN27 4TX: not on the flood risk listBN27 4UB: not on the flood risk listBN27 4UD: not on the flood risk listBN27 4UG: not on the flood risk listBN27 4UT: not on the flood risk listBN27 4UU: not on the flood risk listBN27 4UX: not on the flood risk listBN27 4UY: not on the flood risk listBN27 2RS: very low flood risk onlyBN27 2SD: very low flood risk onlyBN27 1SA: low flood risk at worstBN27 1SD: low flood risk at worstBN27 1SE: low flood risk at worstBN27 2RN: low flood risk at worstBN27 3FT: low flood risk at worstBN27 3RJ: low flood risk at worstBN27 3SX: low flood risk at worstBN27 4DL: low flood risk at worstBN27 4EQ: low flood risk at worstBN27 4EU: low flood risk at worstBN27 4QR: low flood risk at worstBN27 4UA: low flood risk at worstBN27 1PH: medium flood risk at worstBN27 1QB: medium flood risk at worstBN27 1QF: medium flood risk at worstBN27 1QG: medium flood risk at worstBN27 1SB: medium flood risk at worstBN27 2RP: medium flood risk at worstBN27 3PR: medium flood risk at worstBN27 4AT: medium flood risk at worstBN27 4DH: medium flood risk at worstBN27 4DN: medium flood risk at worstBN27 4HH: medium flood risk at worstBN27 1PG: high flood riskBN27 1PQ: high flood riskBN27 1QD: high flood riskBN27 1SF: high flood riskBN27 3BE: high flood riskBN27 3GL: high flood riskBN27 3PZ: high flood riskBN27 3QS: high flood riskBN27 3UU: high flood riskBN27 4EW: high flood riskBN27 4EX: high flood riskBN27 4EY: high flood riskBN27 4FS: high flood riskBN27 4HD: high flood riskBN27 4HL: high flood riskBN27 4JL: high flood riskBN27 4JN: high flood riskBN27 4TQ: high flood risk HailshamHerstmonceuxHellingly Map of every postcode in BN27, by flood risk Of the 1,134 postcodes in BN27 that ONS places, 18 have a home or business at high risk, 11 are at medium risk at worst, 12 are at low risk at worst, 2 are at very low risk only and 1,091 are not on the Environment Agency's at-risk list. Places named: Hailsham, Herstmonceux, Hellingly. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A259 HailshamHerstmonceuxHellingly
  • A home or business at high risk: 18
  • At medium risk at worst: 11
  • At low risk at worst: 12
  • At very low risk only: 2
  • Not on the at-risk list: 1,091

Of the 1,134 postcodes in BN27 that ONS places, 18 have a home or business at high risk, 11 are at medium risk at worst, 12 are at low risk at worst, 2 are at very low risk only and 1,091 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 50.8718, longitude 0.2633. 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

18 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.

BN27 4EW12 at high riskBN27 4EX3 at high riskBN27 4JL3 at high riskBN27 1PG2 at high riskBN27 1SF2 at high riskBN27 4EY2 at high riskBN27 4FS2 at high riskBN27 4HL2 at high riskBN27 3UU1 at high riskBN27 3BE1 at high riskBN27 4HD1 at high riskBN27 1PQ1 at high risk

What broadband can you get in BN27?

Ofcom reports on 1,045 of the 1,134 postcodes in BN27. At 611 of them every home and business can get gigabit broadband, and at 10 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit611 of 1,045
Postcodes where every home can get superfast954 of 1,045
Postcodes where some cannot get decent broadband10 of 1,045

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 BN27 at risk of flooding?

43 of the 1,134 postcodes in BN27 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 65 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 43 of 1,134 postcodes High: 38Medium: 27Low: 65Very low: 28

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 BN27?

Homes in BN27 sold for a typical £315,000 in the 12 months to August 2026, across 423 sales, down 4.5% on the 12 months before, HM Land Registry's figures show.

£315,000 typical price, the 12 months to August 2026
£330,000 12 months to August 2025
▼ down 4.5% on the 12 months before
  • Detached £418,750 136 sales
  • Semi-detached £305,500 164 sales
  • Terraced £260,050 93 sales
  • Flat or maisonette £172,500 30 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 BN27

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

BN27 1265 postcodesBN27 2228 postcodesBN27 3320 postcodesBN27 4253 postcodesBN27 968 postcodes
UK postcode format explained

Places in BN27

Towns and villages with postcodes in BN27, and how many each has here.

Hailsham postcodes,687Herstmonceux postcodes,56Hellingly postcodes,55

Who covers BN27

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

  • Sussex Weald936
  • Bexhill and Battle127
  • Lewes71

Police force areas

  • Sussex1,134

Next to BN27

BN26 postcode district BN41 postcode district All BN districts Hailsham postcodes

"Next to" is by number: the districts before and after BN27 in the BN area.

Check a postcode

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