GU34 postcode district: Alton and around, Hampshire

GU34 is a postcode district in Hampshire, with 1,223 postcodes in use in 6 sectors. It has postcodes in Alton and Four Marks. It is split between 3 councils: East Hampshire (1,219 postcodes), Basingstoke and Deane (3) and Hart (1).

Postcodes in use
1,223
Sectors
6
Councils
3 councils
Places
2 places

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

Every postcode in GU34, by flood risk

Map of every postcode in GU34, by flood risk Of the 1,223 postcodes in GU34 that ONS places, 19 have a home or business at high risk, 4 are at medium risk at worst, 18 are at low risk at worst and 1,182 are not on the Environment Agency's at-risk list. Places named: Alton, Bordon, Four Marks, Liss, Whitehill, Hill Brow and Rake. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A272A3 GU34 1AA: not on the flood risk listGU34 1AH: not on the flood risk listGU34 1AJ: not on the flood risk listGU34 1AN: not on the flood risk listGU34 1AU: not on the flood risk listGU34 1BL: not on the flood risk listGU34 1DA: not on the flood risk listGU34 1DE: not on the flood risk listGU34 1DF: not on the flood risk listGU34 1DH: not on the flood risk listGU34 1DR: not on the flood risk listGU34 1DT: not on the flood risk listGU34 1ED: not on the flood risk listGU34 1EE: not on the flood risk listGU34 1EN: not on the flood risk listGU34 1EQ: not on the flood risk listGU34 1ER: not on the flood risk listGU34 1FH: not on the flood risk listGU34 1FJ: not on the flood risk listGU34 1FN: not on the flood risk listGU34 1FR: not on the flood risk listGU34 1FS: not on the flood risk listGU34 1FZ: not on the flood risk listGU34 1GE: not on the flood risk listGU34 1GH: not on the flood risk listGU34 1GJ: not on the flood risk listGU34 1GL: not on the flood risk listGU34 1GT: not on the flood risk listGU34 1GU: not on the flood risk listGU34 1GW: not on the flood risk listGU34 1GY: not on the flood risk listGU34 1HE: not on the flood risk listGU34 1HX: not on the flood risk listGU34 1HY: not on the flood risk listGU34 1JA: not on the flood risk listGU34 1JF: not on the flood risk listGU34 1JL: not on the flood risk listGU34 1JS: not on the flood risk listGU34 1LB: not on the flood risk listGU34 1LD: not on the flood risk listGU34 1LE: not on the flood risk listGU34 1LF: not on the flood risk listGU34 1LG: not on the flood risk listGU34 1LH: not on the flood risk listGU34 1LJ: not on the flood risk listGU34 1LP: not on the flood risk listGU34 1LS: not on the flood risk listGU34 1LZ: not on the flood risk listGU34 1NL: not on the flood risk listGU34 1NU: not on the flood risk listGU34 1PA: not on the flood risk listGU34 1PH: not on the flood risk listGU34 1PL: not on the flood risk listGU34 1PN: not on the flood risk listGU34 1PP: not on the flood risk listGU34 1PR: not on the flood risk listGU34 1PT: not on the flood risk listGU34 1PW: not on the flood risk listGU34 1PX: not on the flood risk listGU34 1PZ: not on the flood risk listGU34 1QE: not on the flood risk listGU34 1QG: not on the flood risk listGU34 1QH: not on the flood risk listGU34 1QJ: not on the flood risk listGU34 1QP: not on the flood risk listGU34 1QR: not on the flood risk listGU34 1QT: not on the flood risk listGU34 1RE: not on the flood risk listGU34 1RF: not on the flood risk listGU34 1RJ: not on the flood risk listGU34 1RP: not on the flood risk listGU34 1RT: not on the flood risk listGU34 1RU: not on the flood risk listGU34 1RZ: not on the flood risk listGU34 1SE: not on the flood risk listGU34 1SH: not on the flood risk listGU34 1SL: not on the flood risk listGU34 1SN: not on the flood risk listGU34 1SP: not on the flood risk listGU34 1SQ: not on the flood risk listGU34 1SW: not on the flood risk listGU34 1SX: not on the flood risk listGU34 1TP: not on the flood risk listGU34 1TQ: not on the flood risk listGU34 1TU: not on the flood risk listGU34 1UA: not on the flood risk listGU34 1UE: not on the flood risk listGU34 1UZ: not on the flood risk listGU34 1WE: not on the flood risk listGU34 1WF: not on the flood risk listGU34 1WN: not on the flood risk listGU34 2AA: not on the flood risk listGU34 2AB: not on the flood risk listGU34 2AF: not on the flood risk listGU34 2AH: not on the flood risk listGU34 2AQ: not on the flood risk listGU34 2AR: not on the flood risk listGU34 2AU: not on the flood risk listGU34 2AZ: not on the flood risk listGU34 2BE: not on the flood risk listGU34 2BG: not on the flood risk listGU34 2BH: not on the flood risk listGU34 2BJ: not on the flood risk listGU34 2BQ: not on the flood risk listGU34 2BS: not on the flood risk listGU34 2BZ: not on the flood risk listGU34 2DF: not on the flood risk listGU34 2DH: not on the flood risk listGU34 2DN: not on the flood risk listGU34 2DP: not on the flood risk listGU34 2DS: not on the flood risk listGU34 2DX: not on the flood risk listGU34 2EB: not on the flood risk listGU34 2ED: not on the flood risk listGU34 2EE: not on the flood risk listGU34 2EG: not on the flood risk listGU34 2EJ: not on the flood risk listGU34 2EP: not on the flood risk listGU34 2ES: not on the flood risk listGU34 2EX: not on the flood risk listGU34 2FB: not on the flood risk listGU34 2FH: not on the flood risk listGU34 2FJ: not on the flood risk listGU34 2FL: not on the flood risk listGU34 2FQ: not on the flood risk listGU34 2FR: not on the flood risk listGU34 2FS: not on the flood risk listGU34 2FT: not on the flood risk listGU34 2FX: not on the flood risk listGU34 2FY: not on the flood risk listGU34 2FZ: not on the flood risk listGU34 2GB: not on the flood risk listGU34 2GD: not on the flood risk listGU34 2GE: not on the flood risk listGU34 2GF: not on the flood risk listGU34 2GG: not on the flood risk listGU34 2GH: not on the flood risk listGU34 2HB: not on the flood risk listGU34 2HE: not on the flood risk listGU34 2HF: not on the flood risk listGU34 2HG: not on the flood risk listGU34 2HH: not on the flood risk listGU34 2HJ: not on the flood risk listGU34 2HL: not on the flood risk listGU34 2HN: not on the flood risk listGU34 2HS: not on the flood risk listGU34 2HZ: not on the flood risk listGU34 2JA: not on the flood risk listGU34 2JB: not on the flood risk listGU34 2JE: not on the flood risk listGU34 2JJ: not on the flood risk listGU34 2JP: not on the flood risk listGU34 2JX: not on the flood risk listGU34 2LD: not on the flood risk listGU34 2LE: not on the flood risk listGU34 2LF: not on the flood risk listGU34 2LR: not on the flood risk listGU34 2LT: not on the flood risk listGU34 2LY: not on the flood risk listGU34 2LZ: not on the flood risk listGU34 2NA: not on the flood risk listGU34 2NB: not on the flood risk listGU34 2ND: not on the flood risk listGU34 2NF: not on the flood risk listGU34 2NG: not on the flood risk listGU34 2NH: not on the flood risk listGU34 2NT: not on the flood risk listGU34 2NU: not on the flood risk listGU34 2PB: not on the flood risk listGU34 2PP: not on the flood risk listGU34 2PX: not on the flood risk listGU34 2PZ: not on the flood risk listGU34 2QD: not on the flood risk listGU34 2QE: not on the flood risk listGU34 2QH: not on the flood risk listGU34 2QL: not on the flood risk listGU34 2QP: not on the flood risk listGU34 2QT: not on the flood risk listGU34 2QW: not on the flood risk listGU34 2QX: not on the flood risk listGU34 2RN: not on the flood risk listGU34 2RQ: not on the flood risk listGU34 2RS: not on the flood risk listGU34 2RT: not on the flood risk listGU34 2RU: not on the flood risk listGU34 2RX: not on the flood risk listGU34 2RZ: not on the flood risk listGU34 2SB: not on the flood risk listGU34 2SD: not on the flood risk listGU34 2SE: not on the flood risk listGU34 2SH: not on the flood risk listGU34 2SL: not on the flood risk listGU34 2SN: not on the flood risk listGU34 2SU: not on the flood risk listGU34 2TA: not on the flood risk listGU34 2TB: not on the flood risk listGU34 2TF: not on the flood risk listGU34 2TN: not on the flood risk listGU34 2TQ: not on the flood risk listGU34 2TT: not on the flood risk listGU34 2TW: not on the flood risk listGU34 2TY: not on the flood risk listGU34 2TZ: not on the flood risk listGU34 2UH: not on the flood risk listGU34 2UX: not on the flood risk listGU34 2YT: not on the flood risk listGU34 3AA: not on the flood risk listGU34 3AB: not on the flood risk listGU34 3AD: not on the flood risk listGU34 3AE: not on the flood risk listGU34 3AF: not on the flood risk listGU34 3AH: not on the flood risk listGU34 3AJ: not on the flood risk listGU34 3AL: not on the flood risk listGU34 3AN: not on the flood risk listGU34 3AP: not on the flood risk listGU34 3AQ: not on the flood risk listGU34 3AR: not on the flood risk listGU34 3AT: not on the flood risk listGU34 3AU: not on the flood risk listGU34 3AX: not on the flood risk listGU34 3AY: not on the flood risk listGU34 3AZ: not on the flood risk listGU34 3BA: not on the flood risk listGU34 3BB: not on the flood risk listGU34 3BD: not on the flood risk listGU34 3BE: not on the flood risk listGU34 3BF: not on the flood risk listGU34 3BH: not on the flood risk listGU34 3BJ: not on the flood risk listGU34 3BL: not on the flood risk listGU34 3BN: not on the flood risk listGU34 3BP: not on the flood risk listGU34 3BS: not on the flood risk listGU34 3BU: not on the flood risk listGU34 3BY: not on the flood risk listGU34 3DA: not on the flood risk listGU34 3DD: not on the flood risk listGU34 3DE: not on the flood risk listGU34 3DF: not on the flood risk listGU34 3DG: not on the flood risk listGU34 3DH: not on the flood risk listGU34 3DJ: not on the flood risk listGU34 3DL: not on the flood risk listGU34 3DQ: not on the flood risk listGU34 3DR: not on the flood risk listGU34 3DS: not on the flood risk listGU34 3DT: not on the flood risk listGU34 3DY: not on the flood risk listGU34 3DZ: not on the flood risk listGU34 3EA: not on the flood risk listGU34 3EB: not on the flood risk listGU34 3EE: not on the flood risk listGU34 3EF: not on the flood risk listGU34 3EG: not on the flood risk listGU34 3EH: not on the flood risk listGU34 3EJ: not on the flood risk listGU34 3EL: not on the flood risk listGU34 3EN: not on the flood risk listGU34 3EP: not on the flood risk listGU34 3EQ: not on the flood risk listGU34 3ER: not on the flood risk listGU34 3ES: not on the flood risk listGU34 3ET: not on the flood risk listGU34 3EU: not on the flood risk listGU34 3EW: not on the flood risk listGU34 3EX: not on the flood risk listGU34 3FA: not on the flood risk listGU34 3FB: not on the flood risk listGU34 3HA: not on the flood risk listGU34 3HD: not on the flood risk listGU34 3HJ: not on the flood risk listGU34 3HN: not on the flood risk listGU34 3HR: not on the flood risk listGU34 3HT: not on the flood risk listGU34 3HU: not on the flood risk listGU34 3HW: not on the flood risk listGU34 3HX: not on the flood risk listGU34 3HY: not on the flood risk listGU34 3HZ: not on the flood risk listGU34 3JA: not on the flood risk listGU34 3JD: not on the flood risk listGU34 3JE: not on the flood risk listGU34 3JF: not on the flood risk listGU34 3JG: not on the flood risk listGU34 3JH: not on the flood risk listGU34 3JP: not on the flood risk listGU34 3JX: not on the flood risk listGU34 3LA: not on the flood risk listGU34 3LB: not on the flood risk listGU34 3LD: not on the flood risk listGU34 3LJ: not on the flood risk listGU34 3LL: not on the flood risk listGU34 3LN: not on the flood risk listGU34 3LP: not on the flood risk listGU34 3LQ: not on the flood risk listGU34 3LR: not on the flood risk listGU34 3LS: not on the flood risk listGU34 3LW: not on the flood risk listGU34 3NA: not on the flood risk listGU34 3NB: not on the flood risk listGU34 3ND: not on the flood risk listGU34 3NF: not on the flood risk listGU34 3NH: not on the flood risk listGU34 3NJ: not on the flood risk listGU34 3NL: not on the flood risk listGU34 3NN: not on the flood risk listGU34 3NP: not on the flood risk listGU34 3NQ: not on the flood risk listGU34 3NR: not on the flood risk listGU34 3NS: not on the flood risk listGU34 3NT: not on the flood risk listGU34 3NU: not on the flood risk listGU34 3NX: not on the flood risk listGU34 3NY: not on the flood risk listGU34 3NZ: not on the flood risk listGU34 3PA: not on the flood risk listGU34 3PB: not on the flood risk listGU34 3PD: not on the flood risk listGU34 3PE: not on the flood risk listGU34 3PF: not on the flood risk listGU34 3PH: not on the flood risk listGU34 3PJ: not on the flood risk listGU34 3PL: not on the flood risk listGU34 3PP: not on the flood risk listGU34 3PR: not on the flood risk listGU34 3PS: not on the flood risk listGU34 3PT: not on the flood risk listGU34 3PU: not on the flood risk listGU34 3PW: not on the flood risk listGU34 3PX: not on the flood risk listGU34 3PY: not on the flood risk listGU34 3PZ: not on the flood risk listGU34 3QA: not on the flood risk listGU34 3QD: not on the flood risk listGU34 3QE: not on the flood risk listGU34 3QG: not on the flood risk listGU34 3QH: not on the flood risk listGU34 3QJ: not on the flood risk listGU34 3QL: not on the flood risk listGU34 3QQ: not on the flood risk listGU34 3QU: not on the flood risk listGU34 3QW: not on the flood risk listGU34 3QX: not on the flood risk listGU34 3QY: not on the flood risk listGU34 3RA: not on the flood risk listGU34 3RB: not on the flood risk listGU34 3RD: not on the flood risk listGU34 3RE: not on the flood risk listGU34 3RJ: not on the flood risk listGU34 3RL: not on the flood risk listGU34 3RN: not on the flood risk listGU34 3RP: not on the flood risk listGU34 3RR: not on the flood risk listGU34 3RS: not on the flood risk listGU34 3RT: not on the flood risk listGU34 3RU: not on the flood risk listGU34 3RW: not on the flood risk listGU34 3RX: not on the flood risk listGU34 3SA: not on the flood risk listGU34 3SB: not on the flood risk listGU34 3SD: not on the flood risk listGU34 3SE: not on the flood risk listGU34 4AA: not on the flood risk listGU34 4AB: not on the flood risk listGU34 4AD: not on the flood risk listGU34 4AE: not on the flood risk listGU34 4AF: not on the flood risk listGU34 4AG: not on the flood risk listGU34 4AH: not on the flood risk listGU34 4AJ: not on the flood risk listGU34 4AL: not on the flood risk listGU34 4AN: not on the flood risk listGU34 4AP: not on the flood risk listGU34 4AQ: not on the flood risk listGU34 4AR: not on the flood risk listGU34 4AS: not on the flood risk listGU34 4AT: not on the flood risk listGU34 4AU: not on the flood risk listGU34 4AX: not on the flood risk listGU34 4AY: not on the flood risk listGU34 4AZ: not on the flood risk listGU34 4BE: not on the flood risk listGU34 4BF: not on the flood risk listGU34 4BH: not on the flood risk listGU34 4BJ: not on the flood risk listGU34 4BL: not on the flood risk listGU34 4BN: not on the flood risk listGU34 4BP: not on the flood risk listGU34 4BQ: not on the flood risk listGU34 4BS: not on the flood risk listGU34 4BT: not on the flood risk listGU34 4BU: not on the flood risk listGU34 4BW: not on the flood risk listGU34 4BX: not on the flood risk listGU34 4BY: not on the flood risk listGU34 4BZ: not on the flood risk listGU34 4DA: not on the flood risk listGU34 4DB: not on the flood risk listGU34 4DD: not on the flood risk listGU34 4DH: not on the flood risk listGU34 4DL: not on the flood risk listGU34 4DP: not on the flood risk listGU34 4DQ: not on the flood risk listGU34 4DR: not on the flood risk listGU34 4DS: not on the flood risk listGU34 4DT: not on the flood risk listGU34 4DU: not on the flood risk listGU34 4DX: not on the flood risk listGU34 4DY: not on the flood risk listGU34 4DZ: not on the flood risk listGU34 4EA: not on the flood risk listGU34 4EB: not on the flood risk listGU34 4ED: not on the flood risk listGU34 4EE: not on the flood risk listGU34 4EG: not on the flood risk listGU34 4EH: not on the flood risk listGU34 4EJ: not on the flood risk listGU34 4EL: not on the flood risk listGU34 4ER: not on the flood risk listGU34 4ES: not on the flood risk listGU34 4EU: not on the flood risk listGU34 4EW: not on the flood risk listGU34 4FA: not on the flood risk listGU34 4FB: not on the flood risk listGU34 4FF: not on the flood risk listGU34 4FG: not on the flood risk listGU34 4FH: not on the flood risk listGU34 4FJ: not on the flood risk listGU34 4GL: not on the flood risk listGU34 4HD: not on the flood risk listGU34 4HF: not on the flood risk listGU34 4HH: not on the flood risk listGU34 4HT: not on the flood risk listGU34 4HU: not on the flood risk listGU34 4JA: not on the flood risk listGU34 4JD: not on the flood risk listGU34 4JF: not on the flood risk listGU34 4JG: not on the flood risk listGU34 4JH: not on the flood risk listGU34 4JL: not on the flood risk listGU34 4JP: not on the flood risk listGU34 4JR: not on the flood risk listGU34 4JT: not on the flood risk listGU34 4LB: not on the flood risk listGU34 4LD: not on the flood risk listGU34 4LE: not on the flood risk listGU34 4LF: not on the flood risk listGU34 4LG: not on the flood risk listGU34 4LJ: not on the flood risk listGU34 4LL: not on the flood risk listGU34 4LN: not on the flood risk listGU34 4LP: not on the flood risk listGU34 4LR: not on the flood risk listGU34 4LS: not on the flood risk listGU34 4LT: not on the flood risk listGU34 4LU: not on the flood risk listGU34 4LW: not on the flood risk listGU34 4LX: not on the flood risk listGU34 4LY: not on the flood risk listGU34 4NA: not on the flood risk listGU34 4NB: not on the flood risk listGU34 4ND: not on the flood risk listGU34 4NF: not on the flood risk listGU34 4NH: not on the flood risk listGU34 4NR: not on the flood risk listGU34 4NS: not on the flood risk listGU34 4NT: not on the flood risk listGU34 4NU: not on the flood risk listGU34 4NX: not on the flood risk listGU34 4NY: not on the flood risk listGU34 4NZ: not on the flood risk listGU34 4PA: not on the flood risk listGU34 4PB: not on the flood risk listGU34 4PD: not on the flood risk listGU34 4PE: not on the flood risk listGU34 4PF: not on the flood risk listGU34 4PG: not on the flood risk listGU34 4PH: not on the flood risk listGU34 4PJ: not on the flood risk listGU34 4PL: not on the flood risk listGU34 4PN: not on the flood risk listGU34 4PP: not on the flood risk listGU34 4PQ: not on the flood risk listGU34 4PR: not on the flood risk listGU34 4PS: not on the flood risk listGU34 4PT: not on the flood risk listGU34 4PX: not on the flood risk listGU34 4PZ: not on the flood risk listGU34 4QA: not on the flood risk listGU34 4QB: not on the flood risk listGU34 4QD: not on the flood risk listGU34 4QH: not on the flood risk listGU34 4QJ: not on the flood risk listGU34 4QL: not on the flood risk listGU34 5AA: not on the flood risk listGU34 5AD: not on the flood risk listGU34 5AE: not on the flood risk listGU34 5AF: not on the flood risk listGU34 5AG: not on the flood risk listGU34 5AH: not on the flood risk listGU34 5AJ: not on the flood risk listGU34 5AL: not on the flood risk listGU34 5AN: not on the flood risk listGU34 5AP: not on the flood risk listGU34 5AQ: not on the flood risk listGU34 5AR: not on the flood risk listGU34 5AS: not on the flood risk listGU34 5AT: not on the flood risk listGU34 5AU: not on the flood risk listGU34 5AW: not on the flood risk listGU34 5AX: not on the flood risk listGU34 5AY: not on the flood risk listGU34 5AZ: not on the flood risk listGU34 5BA: not on the flood risk listGU34 5BB: not on the flood risk listGU34 5BD: not on the flood risk listGU34 5BE: not on the flood risk listGU34 5BF: not on the flood risk listGU34 5BG: not on the flood risk listGU34 5BH: not on the flood risk listGU34 5BJ: not on the flood risk listGU34 5BL: not on the flood risk listGU34 5BP: not on the flood risk listGU34 5BQ: not on the flood risk listGU34 5BS: not on the flood risk listGU34 5BT: not on the flood risk listGU34 5BW: not on the flood risk listGU34 5BX: not on the flood risk listGU34 5BY: not on the flood risk listGU34 5BZ: not on the flood risk listGU34 5DF: not on the flood risk listGU34 5DG: not on the flood risk listGU34 5DJ: not on the flood risk listGU34 5DL: not on the flood risk listGU34 5DN: not on the flood risk listGU34 5DQ: not on the flood risk listGU34 5DU: not on the flood risk listGU34 5DW: not on the flood risk listGU34 5DY: not on the flood risk listGU34 5DZ: not on the flood risk listGU34 5EA: not on the flood risk listGU34 5EB: not on the flood risk listGU34 5ED: not on the flood risk listGU34 5EE: not on the flood risk listGU34 5EF: not on the flood risk listGU34 5EG: not on the flood risk listGU34 5EH: not on the flood risk listGU34 5EJ: not on the flood risk listGU34 5EL: not on the flood risk listGU34 5EN: not on the flood risk listGU34 5EP: not on the flood risk listGU34 5EQ: not on the flood risk listGU34 5ER: not on the flood risk listGU34 5ES: not on the flood risk listGU34 5ET: not on the flood risk listGU34 5EW: not on the flood risk listGU34 5EY: not on the flood risk listGU34 5EZ: not on the flood risk listGU34 5FD: not on the flood risk listGU34 5FF: not on the flood risk listGU34 5FG: not on the flood risk listGU34 5FL: not on the flood risk listGU34 5FS: not on the flood risk listGU34 5FT: not on the flood risk listGU34 5FW: not on the flood risk listGU34 5FY: not on the flood risk listGU34 5FZ: not on the flood risk listGU34 5GB: not on the flood risk listGU34 5GD: not on the flood risk listGU34 5GF: not on the flood risk listGU34 5GG: not on the flood risk listGU34 5GH: not on the flood risk listGU34 5GL: not on the flood risk listGU34 5GP: not on the flood risk listGU34 5GU: not on the flood risk listGU34 5GX: not on the flood risk listGU34 5GZ: not on the flood risk listGU34 5HA: not on the flood risk listGU34 5HF: not on the flood risk listGU34 5HJ: not on the flood risk listGU34 5HN: not on the flood risk listGU34 5HR: not on the flood risk listGU34 5HS: not on the flood risk listGU34 5HT: not on the flood risk listGU34 5HW: not on the flood risk listGU34 5HX: not on the flood risk listGU34 5HY: not on the flood risk listGU34 5JA: not on the flood risk listGU34 5JB: not on the flood risk listGU34 5JD: not on the flood risk listGU34 5JE: not on the flood risk listGU34 5JF: not on the flood risk listGU34 5JH: not on the flood risk listGU34 5JN: not on the flood risk listGU34 5JP: not on the flood risk listGU34 5JR: not on the flood risk listGU34 5JS: not on the flood risk listGU34 5JT: not on the flood risk listGU34 5JU: not on the flood risk listGU34 5JX: not on the flood risk listGU34 5JY: not on the flood risk listGU34 5LA: not on the flood risk listGU34 5LF: not on the flood risk listGU34 5LG: not on the flood risk listGU34 5LH: not on the flood risk listGU34 5LJ: not on the flood risk listGU34 5LL: not on the flood risk listGU34 5LP: not on the flood risk listGU34 5LR: not on the flood risk listGU34 5LT: not on the flood risk listGU34 5LY: not on the flood risk listGU34 5LZ: not on the flood risk listGU34 5NA: not on the flood risk listGU34 5NB: not on the flood risk listGU34 5ND: not on the flood risk listGU34 5NE: not on the flood risk listGU34 5NG: not on the flood risk listGU34 5NH: not on the flood risk listGU34 5NJ: not on the flood risk listGU34 5NN: not on the flood risk listGU34 5NP: not on the flood risk listGU34 5NQ: not on the flood risk listGU34 5NR: not on the flood risk listGU34 5NS: not on the flood risk listGU34 5NT: not on the flood risk listGU34 5NU: not on the flood risk listGU34 5NW: not on the flood risk listGU34 5PA: not on the flood risk listGU34 5PB: not on the flood risk listGU34 5PD: not on the flood risk listGU34 5PE: not on the flood risk listGU34 5PF: not on the flood risk listGU34 5PH: not on the flood risk listGU34 5PJ: not on the flood risk listGU34 5PL: not on the flood risk listGU34 5PN: not on the flood risk listGU34 5PP: not on the flood risk listGU34 5PR: not on the flood risk listGU34 5PS: not on the flood risk listGU34 5PT: not on the flood risk listGU34 5PU: not on the flood risk listGU34 5PW: not on the flood risk listGU34 5PX: not on the flood risk listGU34 5PZ: not on the flood risk listGU34 5QA: not on the flood risk listGU34 5QB: not on the flood risk listGU34 5QD: not on the flood risk listGU34 5QE: not on the flood risk listGU34 5QF: not on the flood risk listGU34 5QG: not on the flood risk listGU34 5QP: not on the flood risk listGU34 5QQ: not on the flood risk listGU34 5QR: not on the flood risk listGU34 5QS: not on the flood risk listGU34 5QT: not on the flood risk listGU34 5QU: not on the flood risk listGU34 5QW: not on the flood risk listGU34 5QY: not on the flood risk listGU34 5QZ: not on the flood risk listGU34 5RB: not on the flood risk listGU34 5RD: not on the flood risk listGU34 5RF: not on the flood risk listGU34 5RH: not on the flood risk listGU34 5RL: not on the flood risk listGU34 5RP: not on the flood risk listGU34 5RR: not on the flood risk listGU34 5RS: not on the flood risk listGU34 5RT: not on the flood risk listGU34 5RU: not on the flood risk listGU34 5RX: not on the flood risk listGU34 5RY: not on the flood risk listGU34 5SB: not on the flood risk listGU34 5SD: not on the flood risk listGU34 5SG: not on the flood risk listGU34 5SJ: not on the flood risk listGU34 5SL: not on the flood risk listGU34 5SP: not on the flood risk listGU34 5SQ: not on the flood risk listGU34 5SR: not on the flood risk listGU34 5SS: not on the flood risk listGU34 5SU: not on the flood risk listGU34 5SX: not on the flood risk listGU34 5SY: not on the flood risk listGU34 5TA: not on the flood risk listGU34 5TB: not on the flood risk listGU34 5TD: not on the flood risk listGU34 5TH: not on the flood risk listGU34 5XB: not on the flood risk listGU34 1AW: low flood risk at worstGU34 1HN: low flood risk at worstGU34 1HG: low flood risk at worstGU34 1HR: low flood risk at worstGU34 1SB: low flood risk at worstGU34 2NQ: low flood risk at worstGU34 2PH: low flood risk at worstGU34 2PJ: low flood risk at worstGU34 2QF: low flood risk at worstGU34 2QU: low flood risk at worstGU34 2UD: low flood risk at worstGU34 4NE: low flood risk at worstGU34 4PW: low flood risk at worstGU34 3HE: medium flood risk at worstGU34 2QA: medium flood risk at worstGU34 3BZ: medium flood risk at worstGU34 4EP: medium flood risk at worstGU34 2PY: high flood riskGU34 1HP: high flood riskGU34 1PB: high flood riskGU34 1QD: high flood riskGU34 1QL: high flood riskGU34 1RX: high flood riskGU34 1SJ: high flood riskGU34 2PQ: high flood riskGU34 2SW: high flood riskGU34 2UF: high flood riskGU34 3HB: high flood riskGU34 3HG: high flood riskGU34 3HL: high flood riskGU34 3JB: high flood riskGU34 4JE: high flood riskGU34 4JJ: high flood riskGU34 4NP: high flood risk AltonBordonFour MarksLissWhitehillHill Brow and Rake Map of every postcode in GU34, by flood risk Of the 1,223 postcodes in GU34 that ONS places, 19 have a home or business at high risk, 4 are at medium risk at worst, 18 are at low risk at worst and 1,182 are not on the Environment Agency's at-risk list. Places named: Alton, Bordon, Four Marks, Liss. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. AltonBordonFour MarksLiss
  • A home or business at high risk: 19
  • At medium risk at worst: 4
  • At low risk at worst: 18
  • At very low risk only: 0
  • Not on the at-risk list: 1,182

Of the 1,223 postcodes in GU34 that ONS places, 19 have a home or business at high risk, 4 are at medium risk at worst, 18 are at low risk at worst and 1,182 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 51.1388, longitude -0.9872. 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

19 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.

GU34 2UF21 at high riskGU34 2PQ18 at high riskGU34 1SJ9 at high riskGU34 4NP8 at high riskGU34 3HL6 at high riskGU34 3HB4 at high riskGU34 1QL3 at high riskGU34 3HQ3 at high riskGU34 1HW2 at high riskGU34 3HG2 at high riskGU34 1HP1 at high riskGU34 1PB1 at high risk

What broadband can you get in GU34?

Ofcom reports on 1,182 of the 1,223 postcodes in GU34. At 688 of them every home and business can get gigabit broadband, and at 12 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit688 of 1,182
Postcodes where every home can get superfast993 of 1,182
Postcodes where some cannot get decent broadband12 of 1,182

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 GU34 at risk of flooding?

41 of the 1,223 postcodes in GU34 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 94 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 41 of 1,223 postcodes High: 85Medium: 9Low: 110Very low: 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 GU34?

Homes in GU34 sold for a typical £425,000 in the 12 months to August 2026, across 404 sales, down 5.6% on the 12 months before, HM Land Registry's figures show.

£425,000 typical price, the 12 months to August 2026
£450,000 12 months to August 2025
▼ down 5.6% on the 12 months before
  • Detached £672,500 158 sales
  • Semi-detached £405,000 107 sales
  • Terraced £343,750 74 sales
  • Flat or maisonette £205,000 65 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 GU34

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

GU34 1279 postcodesGU34 2294 postcodesGU34 3198 postcodesGU34 4168 postcodesGU34 5268 postcodesGU34 916 postcodes
UK postcode format explained

Places in GU34

Towns and villages with postcodes in GU34, and how many each has here.

Alton postcodes,582Four Marks postcodes,160

Who covers GU34

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

  • East Hampshire1,219
  • North East Hampshire4

Police force areas

  • Hampshire1,223

Next to GU34

GU33 postcode district GU35 postcode district All GU districts Alton postcodes

"Next to" is by number: the districts before and after GU34 in the GU area.

Check a postcode

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