RG21 postcode district: Basingstoke and around, Hampshire

RG21 is a postcode district in Hampshire, with 758 postcodes in use in 6 sectors. It has postcodes in Basingstoke. Its council is Basingstoke and Deane.

Postcodes in use
758
Sectors
6
Council
Basingstoke and Deane
Places
Basingstoke

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

Every postcode in RG21, by flood risk

Map of every postcode in RG21, by flood risk Of the 758 postcodes in RG21 that ONS places, 29 have a home or business at high risk, 1 are at medium risk at worst, 28 are at low risk at worst and 700 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 29 postcodes at high or medium risk. Places named: Basingstoke. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A30M3A3010 RG21 3AA: not on the flood risk listRG21 3AD: not on the flood risk listRG21 3AE: not on the flood risk listRG21 3AF: not on the flood risk listRG21 3AG: not on the flood risk listRG21 3AH: not on the flood risk listRG21 3AJ: not on the flood risk listRG21 3AL: not on the flood risk listRG21 3AN: not on the flood risk listRG21 3AP: not on the flood risk listRG21 3AQ: not on the flood risk listRG21 3AR: not on the flood risk listRG21 3AS: not on the flood risk listRG21 3AT: not on the flood risk listRG21 3AU: not on the flood risk listRG21 3AW: not on the flood risk listRG21 3AX: not on the flood risk listRG21 3AY: not on the flood risk listRG21 3AZ: not on the flood risk listRG21 3BA: not on the flood risk listRG21 3BB: not on the flood risk listRG21 3BD: not on the flood risk listRG21 3BE: not on the flood risk listRG21 3BG: not on the flood risk listRG21 3BH: not on the flood risk listRG21 3BJ: not on the flood risk listRG21 3BL: not on the flood risk listRG21 3BN: not on the flood risk listRG21 3BP: not on the flood risk listRG21 3BQ: not on the flood risk listRG21 3BS: not on the flood risk listRG21 3BT: not on the flood risk listRG21 3BU: not on the flood risk listRG21 3BW: not on the flood risk listRG21 3BX: not on the flood risk listRG21 3BY: not on the flood risk listRG21 3BZ: not on the flood risk listRG21 3DA: not on the flood risk listRG21 3DB: not on the flood risk listRG21 3DD: not on the flood risk listRG21 3DE: not on the flood risk listRG21 3DF: not on the flood risk listRG21 3DG: not on the flood risk listRG21 3DH: not on the flood risk listRG21 3DJ: not on the flood risk listRG21 3DL: not on the flood risk listRG21 3DN: not on the flood risk listRG21 3DP: not on the flood risk listRG21 3DQ: not on the flood risk listRG21 3DR: not on the flood risk listRG21 3DS: not on the flood risk listRG21 3DT: not on the flood risk listRG21 3DU: not on the flood risk listRG21 3DW: not on the flood risk listRG21 3DX: not on the flood risk listRG21 3DY: not on the flood risk listRG21 3DZ: not on the flood risk listRG21 3EA: not on the flood risk listRG21 3ED: not on the flood risk listRG21 3EE: not on the flood risk listRG21 3EG: not on the flood risk listRG21 3EH: not on the flood risk listRG21 3EL: not on the flood risk listRG21 3EN: not on the flood risk listRG21 3EP: not on the flood risk listRG21 3EQ: not on the flood risk listRG21 3ER: not on the flood risk listRG21 3ES: not on the flood risk listRG21 3ET: not on the flood risk listRG21 3EU: not on the flood risk listRG21 3EW: not on the flood risk listRG21 3EX: not on the flood risk listRG21 3EY: not on the flood risk listRG21 3EZ: not on the flood risk listRG21 3FA: not on the flood risk listRG21 3FB: not on the flood risk listRG21 3FD: not on the flood risk listRG21 3FE: not on the flood risk listRG21 3FF: not on the flood risk listRG21 3FG: not on the flood risk listRG21 3FH: not on the flood risk listRG21 3FJ: not on the flood risk listRG21 3FL: not on the flood risk listRG21 3HD: not on the flood risk listRG21 3HE: not on the flood risk listRG21 3HF: not on the flood risk listRG21 3HG: not on the flood risk listRG21 3HH: not on the flood risk listRG21 3HJ: not on the flood risk listRG21 3HL: not on the flood risk listRG21 3HN: not on the flood risk listRG21 3HP: not on the flood risk listRG21 3HQ: not on the flood risk listRG21 3HS: not on the flood risk listRG21 3HT: not on the flood risk listRG21 3HU: not on the flood risk listRG21 3HX: not on the flood risk listRG21 3HY: not on the flood risk listRG21 3HZ: not on the flood risk listRG21 3JA: not on the flood risk listRG21 3JD: not on the flood risk listRG21 3JE: not on the flood risk listRG21 3JF: not on the flood risk listRG21 3JG: not on the flood risk listRG21 3JH: not on the flood risk listRG21 3JJ: not on the flood risk listRG21 3JL: not on the flood risk listRG21 3JN: not on the flood risk listRG21 3JP: not on the flood risk listRG21 3JQ: not on the flood risk listRG21 3JR: not on the flood risk listRG21 3JT: not on the flood risk listRG21 3JU: not on the flood risk listRG21 3JW: not on the flood risk listRG21 3JX: not on the flood risk listRG21 3JY: not on the flood risk listRG21 3JZ: not on the flood risk listRG21 3LA: not on the flood risk listRG21 3LB: not on the flood risk listRG21 3LD: not on the flood risk listRG21 3LE: not on the flood risk listRG21 3LF: not on the flood risk listRG21 3LH: not on the flood risk listRG21 3LJ: not on the flood risk listRG21 3LL: not on the flood risk listRG21 3LN: not on the flood risk listRG21 3LP: not on the flood risk listRG21 3LR: not on the flood risk listRG21 3LS: not on the flood risk listRG21 3LT: not on the flood risk listRG21 3LU: not on the flood risk listRG21 3LW: not on the flood risk listRG21 3LX: not on the flood risk listRG21 3LZ: not on the flood risk listRG21 3NA: not on the flood risk listRG21 3NB: not on the flood risk listRG21 3ND: not on the flood risk listRG21 3NE: not on the flood risk listRG21 3NF: not on the flood risk listRG21 3NH: not on the flood risk listRG21 3NJ: not on the flood risk listRG21 3NL: not on the flood risk listRG21 3NN: not on the flood risk listRG21 3NP: not on the flood risk listRG21 3NR: not on the flood risk listRG21 3NS: not on the flood risk listRG21 3NU: not on the flood risk listRG21 3NW: not on the flood risk listRG21 3NX: not on the flood risk listRG21 3NY: not on the flood risk listRG21 3NZ: not on the flood risk listRG21 3PA: not on the flood risk listRG21 3PB: not on the flood risk listRG21 3PD: not on the flood risk listRG21 3PE: not on the flood risk listRG21 3PF: not on the flood risk listRG21 3PG: not on the flood risk listRG21 3PH: not on the flood risk listRG21 3PR: not on the flood risk listRG21 3PS: not on the flood risk listRG21 3PT: not on the flood risk listRG21 3PU: not on the flood risk listRG21 3PZ: not on the flood risk listRG21 3QH: not on the flood risk listRG21 3QJ: not on the flood risk listRG21 3QN: not on the flood risk listRG21 3QR: not on the flood risk listRG21 3QS: not on the flood risk listRG21 3QT: not on the flood risk listRG21 3QU: not on the flood risk listRG21 3QX: not on the flood risk listRG21 3QY: not on the flood risk listRG21 3UT: not on the flood risk listRG21 4AA: not on the flood risk listRG21 4AB: not on the flood risk listRG21 4AE: not on the flood risk listRG21 4AF: not on the flood risk listRG21 4AG: not on the flood risk listRG21 4AH: not on the flood risk listRG21 4AL: not on the flood risk listRG21 4AN: not on the flood risk listRG21 4AP: not on the flood risk listRG21 4AQ: not on the flood risk listRG21 4AR: not on the flood risk listRG21 4AS: not on the flood risk listRG21 4AT: not on the flood risk listRG21 4AU: not on the flood risk listRG21 4AW: not on the flood risk listRG21 4AX: not on the flood risk listRG21 4BB: not on the flood risk listRG21 4BF: not on the flood risk listRG21 4BG: not on the flood risk listRG21 4BJ: not on the flood risk listRG21 4BN: not on the flood risk listRG21 4BP: not on the flood risk listRG21 4BQ: not on the flood risk listRG21 4BS: not on the flood risk listRG21 4BT: not on the flood risk listRG21 4BU: not on the flood risk listRG21 4BW: not on the flood risk listRG21 4BX: not on the flood risk listRG21 4BY: not on the flood risk listRG21 4BZ: not on the flood risk listRG21 4DA: not on the flood risk listRG21 4DB: not on the flood risk listRG21 4DD: not on the flood risk listRG21 4DE: not on the flood risk listRG21 4DF: not on the flood risk listRG21 4DG: not on the flood risk listRG21 4DH: not on the flood risk listRG21 4DJ: not on the flood risk listRG21 4DL: not on the flood risk listRG21 4DN: not on the flood risk listRG21 4DP: not on the flood risk listRG21 4DQ: not on the flood risk listRG21 4DR: not on the flood risk listRG21 4DS: not on the flood risk listRG21 4DT: not on the flood risk listRG21 4DU: not on the flood risk listRG21 4DW: not on the flood risk listRG21 4DX: not on the flood risk listRG21 4DZ: not on the flood risk listRG21 4EB: not on the flood risk listRG21 4EQ: not on the flood risk listRG21 4ER: not on the flood risk listRG21 4ET: not on the flood risk listRG21 4EY: not on the flood risk listRG21 4EZ: not on the flood risk listRG21 4FA: not on the flood risk listRG21 4FF: not on the flood risk listRG21 4FL: not on the flood risk listRG21 4FP: not on the flood risk listRG21 4FQ: not on the flood risk listRG21 4FR: not on the flood risk listRG21 4FS: not on the flood risk listRG21 4HA: not on the flood risk listRG21 4HD: not on the flood risk listRG21 4HE: not on the flood risk listRG21 4HF: not on the flood risk listRG21 4HG: not on the flood risk listRG21 4HL: not on the flood risk listRG21 4HP: not on the flood risk listRG21 4HU: not on the flood risk listRG21 4HX: not on the flood risk listRG21 4HY: not on the flood risk listRG21 4JB: not on the flood risk listRG21 4JF: not on the flood risk listRG21 4JH: not on the flood risk listRG21 4JN: not on the flood risk listRG21 4JP: not on the flood risk listRG21 4JX: not on the flood risk listRG21 4LB: not on the flood risk listRG21 4NX: not on the flood risk listRG21 4NY: not on the flood risk listRG21 4NZ: not on the flood risk listRG21 4PA: not on the flood risk listRG21 4PB: not on the flood risk listRG21 4PD: not on the flood risk listRG21 4PE: not on the flood risk listRG21 4PF: not on the flood risk listRG21 4PG: not on the flood risk listRG21 4PH: not on the flood risk listRG21 4PJ: not on the flood risk listRG21 4PL: not on the flood risk listRG21 4PN: not on the flood risk listRG21 4PP: not on the flood risk listRG21 4PQ: not on the flood risk listRG21 4PR: not on the flood risk listRG21 4PS: not on the flood risk listRG21 4PT: not on the flood risk listRG21 4PU: not on the flood risk listRG21 4PW: not on the flood risk listRG21 4PX: not on the flood risk listRG21 4PY: not on the flood risk listRG21 4PZ: not on the flood risk listRG21 4QB: not on the flood risk listRG21 4QD: not on the flood risk listRG21 4QE: not on the flood risk listRG21 4RG: not on the flood risk listRG21 4RN: not on the flood risk listRG21 4RW: not on the flood risk listRG21 4UJ: not on the flood risk listRG21 4YY: not on the flood risk listRG21 5AB: not on the flood risk listRG21 5AD: not on the flood risk listRG21 5AE: not on the flood risk listRG21 5AF: not on the flood risk listRG21 5AG: not on the flood risk listRG21 5GU: not on the flood risk listRG21 5GX: not on the flood risk listRG21 5GY: not on the flood risk listRG21 5GZ: not on the flood risk listRG21 5HH: not on the flood risk listRG21 5HJ: not on the flood risk listRG21 5HL: not on the flood risk listRG21 5HP: not on the flood risk listRG21 5HR: not on the flood risk listRG21 5HS: not on the flood risk listRG21 5HT: not on the flood risk listRG21 5JR: not on the flood risk listRG21 5JS: not on the flood risk listRG21 5JY: not on the flood risk listRG21 5JZ: not on the flood risk listRG21 5LA: not on the flood risk listRG21 5LB: not on the flood risk listRG21 5LD: not on the flood risk listRG21 5LE: not on the flood risk listRG21 5LF: not on the flood risk listRG21 5LJ: not on the flood risk listRG21 5LL: not on the flood risk listRG21 5LN: not on the flood risk listRG21 5LP: not on the flood risk listRG21 5LQ: not on the flood risk listRG21 5LR: not on the flood risk listRG21 5LS: not on the flood risk listRG21 5LT: not on the flood risk listRG21 5LU: not on the flood risk listRG21 5LW: not on the flood risk listRG21 5LX: not on the flood risk listRG21 5LY: not on the flood risk listRG21 5NA: not on the flood risk listRG21 5NB: not on the flood risk listRG21 5ND: not on the flood risk listRG21 5NE: not on the flood risk listRG21 5NG: not on the flood risk listRG21 5NH: not on the flood risk listRG21 5NJ: not on the flood risk listRG21 5NL: not on the flood risk listRG21 5NN: not on the flood risk listRG21 5NP: not on the flood risk listRG21 5NQ: not on the flood risk listRG21 5NR: not on the flood risk listRG21 5NS: not on the flood risk listRG21 5NT: not on the flood risk listRG21 5NU: not on the flood risk listRG21 5NW: not on the flood risk listRG21 5NX: not on the flood risk listRG21 5NY: not on the flood risk listRG21 5NZ: not on the flood risk listRG21 5PA: not on the flood risk listRG21 5PB: not on the flood risk listRG21 5PD: not on the flood risk listRG21 5PE: not on the flood risk listRG21 5PF: not on the flood risk listRG21 5PG: not on the flood risk listRG21 5PH: not on the flood risk listRG21 5PJ: not on the flood risk listRG21 5PL: not on the flood risk listRG21 5PN: not on the flood risk listRG21 5PP: not on the flood risk listRG21 5PQ: not on the flood risk listRG21 5PR: not on the flood risk listRG21 5PS: not on the flood risk listRG21 5PT: not on the flood risk listRG21 5PU: not on the flood risk listRG21 5QA: not on the flood risk listRG21 5QB: not on the flood risk listRG21 5QD: not on the flood risk listRG21 5QE: not on the flood risk listRG21 5QF: not on the flood risk listRG21 5QG: not on the flood risk listRG21 5QH: not on the flood risk listRG21 5QJ: not on the flood risk listRG21 5QL: not on the flood risk listRG21 5QN: not on the flood risk listRG21 5QP: not on the flood risk listRG21 5QR: not on the flood risk listRG21 5QS: not on the flood risk listRG21 5QT: not on the flood risk listRG21 5QU: not on the flood risk listRG21 5QW: not on the flood risk listRG21 5QX: not on the flood risk listRG21 5QY: not on the flood risk listRG21 5QZ: not on the flood risk listRG21 5RA: not on the flood risk listRG21 5RG: not on the flood risk listRG21 5RH: not on the flood risk listRG21 5RJ: not on the flood risk listRG21 5RL: not on the flood risk listRG21 5RN: not on the flood risk listRG21 5RP: not on the flood risk listRG21 5RQ: not on the flood risk listRG21 5RR: not on the flood risk listRG21 5RS: not on the flood risk listRG21 5RT: not on the flood risk listRG21 5RU: not on the flood risk listRG21 5RW: not on the flood risk listRG21 5RX: not on the flood risk listRG21 5RY: not on the flood risk listRG21 5RZ: not on the flood risk listRG21 5SA: not on the flood risk listRG21 5SB: not on the flood risk listRG21 5SD: not on the flood risk listRG21 5SE: not on the flood risk listRG21 5SF: not on the flood risk listRG21 5SG: not on the flood risk listRG21 5SH: not on the flood risk listRG21 5SJ: not on the flood risk listRG21 5SN: not on the flood risk listRG21 5SP: not on the flood risk listRG21 5SQ: not on the flood risk listRG21 5SR: not on the flood risk listRG21 5SS: not on the flood risk listRG21 5ST: not on the flood risk listRG21 5SU: not on the flood risk listRG21 5SW: not on the flood risk listRG21 5SX: not on the flood risk listRG21 5TA: not on the flood risk listRG21 5TB: not on the flood risk listRG21 5TD: not on the flood risk listRG21 5TE: not on the flood risk listRG21 5TF: not on the flood risk listRG21 5TG: not on the flood risk listRG21 5TH: not on the flood risk listRG21 5TJ: not on the flood risk listRG21 5TL: not on the flood risk listRG21 5TN: not on the flood risk listRG21 5TP: not on the flood risk listRG21 5TQ: not on the flood risk listRG21 5TR: not on the flood risk listRG21 5TS: not on the flood risk listRG21 5TT: not on the flood risk listRG21 5TU: not on the flood risk listRG21 5TW: not on the flood risk listRG21 5TX: not on the flood risk listRG21 5UA: not on the flood risk listRG21 5UB: not on the flood risk listRG21 5UD: not on the flood risk listRG21 5UE: not on the flood risk listRG21 5UF: not on the flood risk listRG21 5UG: not on the flood risk listRG21 5UH: not on the flood risk listRG21 5UJ: not on the flood risk listRG21 5UQ: not on the flood risk listRG21 5UT: not on the flood risk listRG21 6AA: not on the flood risk listRG21 6AB: not on the flood risk listRG21 6AD: not on the flood risk listRG21 6AE: not on the flood risk listRG21 6AF: not on the flood risk listRG21 6AG: not on the flood risk listRG21 6AH: not on the flood risk listRG21 6AJ: not on the flood risk listRG21 6AL: not on the flood risk listRG21 6AP: not on the flood risk listRG21 6AQ: not on the flood risk listRG21 6AR: not on the flood risk listRG21 6AS: not on the flood risk listRG21 6AT: not on the flood risk listRG21 6AU: not on the flood risk listRG21 6AW: not on the flood risk listRG21 6AX: not on the flood risk listRG21 6AY: not on the flood risk listRG21 6AZ: not on the flood risk listRG21 6BA: not on the flood risk listRG21 6BB: not on the flood risk listRG21 6BD: not on the flood risk listRG21 6BE: not on the flood risk listRG21 6BF: not on the flood risk listRG21 6BG: not on the flood risk listRG21 6BH: not on the flood risk listRG21 6BJ: not on the flood risk listRG21 6BL: not on the flood risk listRG21 6BN: not on the flood risk listRG21 6QD: not on the flood risk listRG21 6SZ: not on the flood risk listRG21 6TZ: not on the flood risk listRG21 6UA: not on the flood risk listRG21 6UG: not on the flood risk listRG21 6WP: not on the flood risk listRG21 6XD: not on the flood risk listRG21 6XE: not on the flood risk listRG21 6XG: not on the flood risk listRG21 6XH: not on the flood risk listRG21 6XJ: not on the flood risk listRG21 6XL: not on the flood risk listRG21 6XN: not on the flood risk listRG21 6XP: not on the flood risk listRG21 6XQ: not on the flood risk listRG21 6XR: not on the flood risk listRG21 6XW: not on the flood risk listRG21 6XX: not on the flood risk listRG21 6YB: not on the flood risk listRG21 6YH: not on the flood risk listRG21 6YJ: not on the flood risk listRG21 6YL: not on the flood risk listRG21 6YR: not on the flood risk listRG21 6YS: not on the flood risk listRG21 6YT: not on the flood risk listRG21 6YU: not on the flood risk listRG21 7AD: not on the flood risk listRG21 7AH: not on the flood risk listRG21 7AQ: not on the flood risk listRG21 7AS: not on the flood risk listRG21 7AT: not on the flood risk listRG21 7AY: not on the flood risk listRG21 7BL: not on the flood risk listRG21 7BN: not on the flood risk listRG21 7BP: not on the flood risk listRG21 7BQ: not on the flood risk listRG21 7BS: not on the flood risk listRG21 7BT: not on the flood risk listRG21 7BU: not on the flood risk listRG21 7BW: not on the flood risk listRG21 7BX: not on the flood risk listRG21 7BY: not on the flood risk listRG21 7BZ: not on the flood risk listRG21 7DA: not on the flood risk listRG21 7DD: not on the flood risk listRG21 7DF: not on the flood risk listRG21 7DG: not on the flood risk listRG21 7DQ: not on the flood risk listRG21 7DT: not on the flood risk listRG21 7DW: not on the flood risk listRG21 7DY: not on the flood risk listRG21 7DZ: not on the flood risk listRG21 7EE: not on the flood risk listRG21 7EF: not on the flood risk listRG21 7EY: not on the flood risk listRG21 7GQ: not on the flood risk listRG21 7JE: not on the flood risk listRG21 7JN: not on the flood risk listRG21 7JR: not on the flood risk listRG21 7JT: not on the flood risk listRG21 7JU: not on the flood risk listRG21 7LE: not on the flood risk listRG21 7LN: not on the flood risk listRG21 7LX: not on the flood risk listRG21 7LZ: not on the flood risk listRG21 7NF: not on the flood risk listRG21 7NH: not on the flood risk listRG21 7NL: not on the flood risk listRG21 7NQ: not on the flood risk listRG21 7NS: not on the flood risk listRG21 7NT: not on the flood risk listRG21 7NW: not on the flood risk listRG21 7NX: not on the flood risk listRG21 7NY: not on the flood risk listRG21 7PB: not on the flood risk listRG21 7PD: not on the flood risk listRG21 7PF: not on the flood risk listRG21 7PG: not on the flood risk listRG21 7PH: not on the flood risk listRG21 7PJ: not on the flood risk listRG21 7PN: not on the flood risk listRG21 7PP: not on the flood risk listRG21 7PQ: not on the flood risk listRG21 7PR: not on the flood risk listRG21 7PS: not on the flood risk listRG21 7PT: not on the flood risk listRG21 7PU: not on the flood risk listRG21 7PW: not on the flood risk listRG21 7PY: not on the flood risk listRG21 7PZ: not on the flood risk listRG21 7QA: not on the flood risk listRG21 7QB: not on the flood risk listRG21 7QD: not on the flood risk listRG21 7QF: not on the flood risk listRG21 7QG: not on the flood risk listRG21 7QH: not on the flood risk listRG21 7QN: not on the flood risk listRG21 7RF: not on the flood risk listRG21 7RG: not on the flood risk listRG21 7RS: not on the flood risk listRG21 7RY: not on the flood risk listRG21 7SA: not on the flood risk listRG21 7SB: not on the flood risk listRG21 7SQ: not on the flood risk listRG21 7SY: not on the flood risk listRG21 7SZ: not on the flood risk listRG21 7TD: not on the flood risk listRG21 7TG: not on the flood risk listRG21 7TH: not on the flood risk listRG21 7TJ: not on the flood risk listRG21 7TL: not on the flood risk listRG21 7TN: not on the flood risk listRG21 7TP: not on the flood risk listRG21 7TQ: not on the flood risk listRG21 7TR: not on the flood risk listRG21 7TT: not on the flood risk listRG21 7TW: not on the flood risk listRG21 7UA: not on the flood risk listRG21 7UB: not on the flood risk listRG21 7UD: not on the flood risk listRG21 7UE: not on the flood risk listRG21 7UF: not on the flood risk listRG21 7UH: not on the flood risk listRG21 7UN: not on the flood risk listRG21 7UQ: not on the flood risk listRG21 7UW: not on the flood risk listRG21 8AB: not on the flood risk listRG21 8AD: not on the flood risk listRG21 8AU: not on the flood risk listRG21 8AX: not on the flood risk listRG21 8AY: not on the flood risk listRG21 8AZ: not on the flood risk listRG21 8BJ: not on the flood risk listRG21 8ES: not on the flood risk listRG21 8EU: not on the flood risk listRG21 8EW: not on the flood risk listRG21 8FP: not on the flood risk listRG21 8SR: not on the flood risk listRG21 8ST: not on the flood risk listRG21 8SU: not on the flood risk listRG21 8SX: not on the flood risk listRG21 8SY: not on the flood risk listRG21 8TL: not on the flood risk listRG21 8TN: not on the flood risk listRG21 8TP: not on the flood risk listRG21 8TR: not on the flood risk listRG21 8TS: not on the flood risk listRG21 8TT: not on the flood risk listRG21 8TU: not on the flood risk listRG21 8TW: not on the flood risk listRG21 8TX: not on the flood risk listRG21 8TZ: not on the flood risk listRG21 8UB: not on the flood risk listRG21 8UD: not on the flood risk listRG21 8UE: not on the flood risk listRG21 8UF: not on the flood risk listRG21 8UG: not on the flood risk listRG21 8UJ: not on the flood risk listRG21 8UL: not on the flood risk listRG21 8UN: not on the flood risk listRG21 8UP: not on the flood risk listRG21 8UQ: not on the flood risk listRG21 8UR: not on the flood risk listRG21 8US: not on the flood risk listRG21 8UT: not on the flood risk listRG21 8UU: not on the flood risk listRG21 8UX: not on the flood risk listRG21 8UY: not on the flood risk listRG21 8UZ: not on the flood risk listRG21 8WE: not on the flood risk listRG21 8WH: not on the flood risk listRG21 8XA: not on the flood risk listRG21 8XB: not on the flood risk listRG21 8XD: not on the flood risk listRG21 8XE: not on the flood risk listRG21 8XF: not on the flood risk listRG21 8XG: not on the flood risk listRG21 8XH: not on the flood risk listRG21 8XJ: not on the flood risk listRG21 8XL: not on the flood risk listRG21 8XN: not on the flood risk listRG21 8XP: not on the flood risk listRG21 8XQ: not on the flood risk listRG21 8XR: not on the flood risk listRG21 8XS: not on the flood risk listRG21 8XT: not on the flood risk listRG21 8XU: not on the flood risk listRG21 8XX: not on the flood risk listRG21 8XY: not on the flood risk listRG21 8XZ: not on the flood risk listRG21 8YA: not on the flood risk listRG21 8YB: not on the flood risk listRG21 8YD: not on the flood risk listRG21 8YE: not on the flood risk listRG21 8YF: not on the flood risk listRG21 8YG: not on the flood risk listRG21 8YH: not on the flood risk listRG21 8YJ: not on the flood risk listRG21 8YL: not on the flood risk listRG21 8YN: not on the flood risk listRG21 8YP: not on the flood risk listRG21 8YQ: not on the flood risk listRG21 8YR: not on the flood risk listRG21 8YS: not on the flood risk listRG21 8YT: not on the flood risk listRG21 8YU: not on the flood risk listRG21 8YW: not on the flood risk listRG21 8YX: not on the flood risk listRG21 8YY: not on the flood risk listRG21 8YZ: not on the flood risk listRG21 8ZY: not on the flood risk listRG21 8ZZ: not on the flood risk listRG21 7AB: low flood risk at worstRG21 7JY: low flood risk at worstRG21 7LJ: low flood risk at worstRG21 7LS: low flood risk at worstRG21 7QP: low flood risk at worstRG21 7QQ: low flood risk at worstRG21 7RB: low flood risk at worstRG21 7RH: low flood risk at worstRG21 7RN: low flood risk at worstRG21 7RQ: low flood risk at worstRG21 7RT: low flood risk at worstRG21 7RW: low flood risk at worstRG21 7RX: low flood risk at worstRG21 7SD: low flood risk at worstRG21 7SH: low flood risk at worstRG21 7SN: low flood risk at worstRG21 7TE: low flood risk at worstRG21 8FY: low flood risk at worstRG21 8SA: low flood risk at worstRG21 8SB: low flood risk at worstRG21 8SE: low flood risk at worstRG21 8SF: low flood risk at worstRG21 8SG: low flood risk at worstRG21 8SJ: low flood risk at worstRG21 8SP: low flood risk at worstRG21 8SS: low flood risk at worstRG21 8SW: low flood risk at worstRG21 8XW: low flood risk at worstRG21 7TA: medium flood risk at worstRG21 4QA: high flood riskRG21 7AA: high flood riskRG21 7AW: high flood riskRG21 7BB: high flood riskRG21 7BE: high flood riskRG21 7BF: high flood riskRG21 7ES: high flood riskRG21 7FB: high flood riskRG21 7FH: high flood riskRG21 7HY: high flood riskRG21 7LD: high flood riskRG21 7LG: high flood riskRG21 7LW: high flood riskRG21 7QR: high flood riskRG21 7QT: high flood riskRG21 7QU: high flood riskRG21 7QW: high flood riskRG21 7RA: high flood riskRG21 7RE: high flood riskRG21 7RL: high flood riskRG21 7RP: high flood riskRG21 7RR: high flood riskRG21 7RU: high flood riskRG21 7RZ: high flood riskRG21 7SG: high flood riskRG21 7TB: high flood riskRG21 7TF: high flood riskRG21 8FX: high flood risk Basingstoke 29 postcodes at high or medium risk, outlined: this goes to RG21 7EN, the one with most homes and businesses at high risk29 postcodes at high or medium risk Map of every postcode in RG21, by flood risk Of the 758 postcodes in RG21 that ONS places, 29 have a home or business at high risk, 1 are at medium risk at worst, 28 are at low risk at worst and 700 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 29 postcodes at high or medium risk. Places named: Basingstoke. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Basingstoke
  • A home or business at high risk: 29
  • At medium risk at worst: 1
  • At low risk at worst: 28
  • At very low risk only: 0
  • Not on the at-risk list: 700
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 758 postcodes in RG21 that ONS places, 29 have a home or business at high risk, 1 are at medium risk at worst, 28 are at low risk at worst and 700 are not on the Environment Agency's at-risk list.

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

The middle of its postcodes: latitude 51.2648, longitude -1.0885. 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

29 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.

RG21 7EN95 at high riskRG21 7ES95 at high riskRG21 7AA90 at high riskRG21 7TB35 at high riskRG21 7BE32 at high riskRG21 7RR26 at high riskRG21 7RP22 at high riskRG21 7RU21 at high riskRG21 7BF19 at high riskRG21 7RE18 at high riskRG21 7AW16 at high riskRG21 7LG12 at high risk

Where the postcodes at high or medium risk lie together

  • 29 postcodes at high or medium risk, outlined on the map. RG21 7EN, is the one with most homes and businesses at high risk.

What broadband can you get in RG21?

Ofcom reports on 750 of the 758 postcodes in RG21. At 540 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit540 of 750
Postcodes where every home can get superfast699 of 750

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 RG21 at risk of flooding?

58 of the 758 postcodes in RG21 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 565 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 58 of 758 postcodes High: 544Medium: 21Low: 393

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 RG21?

Homes in RG21 sold for a typical £290,000 in the 12 months to August 2026, across 295 sales, down 1.7% on the 12 months before, HM Land Registry's figures show.

£290,000 typical price, the 12 months to August 2026
£295,000 12 months to August 2025
▼ down 1.7% on the 12 months before
  • Detached £607,500 16 sales
  • Semi-detached £405,000 60 sales
  • Terraced £310,000 111 sales
  • Flat or maisonette £190,000 108 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 RG21

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

RG21 3173 postcodesRG21 4115 postcodesRG21 5152 postcodesRG21 655 postcodesRG21 7163 postcodesRG21 8100 postcodes
UK postcode format explained

Places in RG21

Towns and villages with postcodes in RG21, and how many each has here.

Basingstoke postcodes,758

Who covers RG21

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

  • Basingstoke756
  • North West Hampshire2

Police force areas

  • Hampshire758

Next to RG21

RG20 postcode district RG22 postcode district All RG districts Basingstoke postcodes

"Next to" is by number: the districts before and after RG21 in the RG area.

Check a postcode

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