RH20 postcode district: Storrington and around, West Sussex

RH20 is a postcode district in West Sussex, with 893 postcodes in use in 6 sectors. It has postcodes in Storrington, Pulborough, West Chiltington and 2 more places. It is split between 2 councils: Horsham (800 postcodes) and Chichester (93).

Postcodes in use
893
Sectors
6
Councils
2 councils
Places
5 places

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

Every postcode in RH20, by flood risk

Map of every postcode in RH20, by flood risk Of the 893 postcodes in RH20 that ONS places, 34 have a home or business at high risk, 14 are at medium risk at worst, 16 are at low risk at worst and 829 are not on the Environment Agency's at-risk list. 3 groups of postcodes at high or medium risk are outlined: 5 postcodes at high or medium risk; 5 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: Storrington, Pulborough, West Chiltington, Petworth, Ashington, Horsham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A272A285 RH20 1AB: not on the flood risk listRH20 1AE: not on the flood risk listRH20 1AG: not on the flood risk listRH20 1AH: not on the flood risk listRH20 1AN: not on the flood risk listRH20 1AP: not on the flood risk listRH20 1AQ: not on the flood risk listRH20 1AS: not on the flood risk listRH20 1AT: not on the flood risk listRH20 1AW: not on the flood risk listRH20 1AX: not on the flood risk listRH20 1BA: not on the flood risk listRH20 1BB: not on the flood risk listRH20 1BD: not on the flood risk listRH20 1BE: not on the flood risk listRH20 1BG: not on the flood risk listRH20 1BJ: not on the flood risk listRH20 1BL: not on the flood risk listRH20 1BN: not on the flood risk listRH20 1BP: not on the flood risk listRH20 1BQ: not on the flood risk listRH20 1BS: not on the flood risk listRH20 1BU: not on the flood risk listRH20 1BW: not on the flood risk listRH20 1BX: not on the flood risk listRH20 1BY: not on the flood risk listRH20 1BZ: not on the flood risk listRH20 1DA: not on the flood risk listRH20 1DD: not on the flood risk listRH20 1DE: not on the flood risk listRH20 1DG: not on the flood risk listRH20 1DH: not on the flood risk listRH20 1DN: not on the flood risk listRH20 1DP: not on the flood risk listRH20 1DQ: not on the flood risk listRH20 1DR: not on the flood risk listRH20 1DX: not on the flood risk listRH20 1DY: not on the flood risk listRH20 1DZ: not on the flood risk listRH20 1EB: not on the flood risk listRH20 1ED: not on the flood risk listRH20 1EF: not on the flood risk listRH20 1EG: not on the flood risk listRH20 1EH: not on the flood risk listRH20 1EL: not on the flood risk listRH20 1EQ: not on the flood risk listRH20 1ER: not on the flood risk listRH20 1ES: not on the flood risk listRH20 1ET: not on the flood risk listRH20 1EU: not on the flood risk listRH20 1EW: not on the flood risk listRH20 1EX: not on the flood risk listRH20 1EY: not on the flood risk listRH20 1EZ: not on the flood risk listRH20 1FH: not on the flood risk listRH20 1FJ: not on the flood risk listRH20 1FL: not on the flood risk listRH20 1FQ: not on the flood risk listRH20 1FS: not on the flood risk listRH20 1FX: not on the flood risk listRH20 1FY: not on the flood risk listRH20 1FZ: not on the flood risk listRH20 1GB: not on the flood risk listRH20 1GD: not on the flood risk listRH20 1GG: not on the flood risk listRH20 1HA: not on the flood risk listRH20 1HB: not on the flood risk listRH20 1HD: not on the flood risk listRH20 1HE: not on the flood risk listRH20 1HF: not on the flood risk listRH20 1HG: not on the flood risk listRH20 1HH: not on the flood risk listRH20 1HL: not on the flood risk listRH20 1HN: not on the flood risk listRH20 1HP: not on the flood risk listRH20 1HQ: not on the flood risk listRH20 1HR: not on the flood risk listRH20 1HT: not on the flood risk listRH20 1HW: not on the flood risk listRH20 1HX: not on the flood risk listRH20 1JA: not on the flood risk listRH20 1JB: not on the flood risk listRH20 1JE: not on the flood risk listRH20 1JF: not on the flood risk listRH20 1JH: not on the flood risk listRH20 1JJ: not on the flood risk listRH20 1JL: not on the flood risk listRH20 1JN: not on the flood risk listRH20 1JP: not on the flood risk listRH20 1JQ: not on the flood risk listRH20 1JR: not on the flood risk listRH20 1JU: not on the flood risk listRH20 1JW: not on the flood risk listRH20 1JX: not on the flood risk listRH20 1JY: not on the flood risk listRH20 1JZ: not on the flood risk listRH20 1LE: not on the flood risk listRH20 1LG: not on the flood risk listRH20 1LP: not on the flood risk listRH20 1LS: not on the flood risk listRH20 1LT: not on the flood risk listRH20 1LU: not on the flood risk listRH20 1LW: not on the flood risk listRH20 1LX: not on the flood risk listRH20 1LY: not on the flood risk listRH20 1LZ: not on the flood risk listRH20 1NA: not on the flood risk listRH20 1NB: not on the flood risk listRH20 1NE: not on the flood risk listRH20 1NF: not on the flood risk listRH20 1NH: not on the flood risk listRH20 1NJ: not on the flood risk listRH20 1NL: not on the flood risk listRH20 1NN: not on the flood risk listRH20 1NQ: not on the flood risk listRH20 1NR: not on the flood risk listRH20 1NS: not on the flood risk listRH20 1NT: not on the flood risk listRH20 1NY: not on the flood risk listRH20 1PA: not on the flood risk listRH20 1PF: not on the flood risk listRH20 1PG: not on the flood risk listRH20 1PH: not on the flood risk listRH20 1PJ: not on the flood risk listRH20 1PL: not on the flood risk listRH20 1PN: not on the flood risk listRH20 1PP: not on the flood risk listRH20 1PQ: not on the flood risk listRH20 1PR: not on the flood risk listRH20 1PS: not on the flood risk listRH20 1PU: not on the flood risk listRH20 1PX: not on the flood risk listRH20 1PY: not on the flood risk listRH20 1PZ: not on the flood risk listRH20 1QA: not on the flood risk listRH20 2AB: not on the flood risk listRH20 2AD: not on the flood risk listRH20 2AE: not on the flood risk listRH20 2AH: not on the flood risk listRH20 2AJ: not on the flood risk listRH20 2AL: not on the flood risk listRH20 2AN: not on the flood risk listRH20 2AP: not on the flood risk listRH20 2AR: not on the flood risk listRH20 2AU: not on the flood risk listRH20 2AW: not on the flood risk listRH20 2BE: not on the flood risk listRH20 2BZ: not on the flood risk listRH20 2DN: not on the flood risk listRH20 2DR: not on the flood risk listRH20 2DS: not on the flood risk listRH20 2DT: not on the flood risk listRH20 2DU: not on the flood risk listRH20 2DX: not on the flood risk listRH20 2DY: not on the flood risk listRH20 2DZ: not on the flood risk listRH20 2EA: not on the flood risk listRH20 2EB: not on the flood risk listRH20 2EF: not on the flood risk listRH20 2EJ: not on the flood risk listRH20 2EN: not on the flood risk listRH20 2EP: not on the flood risk listRH20 2EQ: not on the flood risk listRH20 2ER: not on the flood risk listRH20 2ET: not on the flood risk listRH20 2EW: not on the flood risk listRH20 2EX: not on the flood risk listRH20 2EY: not on the flood risk listRH20 2EZ: not on the flood risk listRH20 2GF: not on the flood risk listRH20 2GN: not on the flood risk listRH20 2GP: not on the flood risk listRH20 2GR: not on the flood risk listRH20 2GS: not on the flood risk listRH20 2GT: not on the flood risk listRH20 2GU: not on the flood risk listRH20 2GW: not on the flood risk listRH20 2GZ: not on the flood risk listRH20 2HA: not on the flood risk listRH20 2HB: not on the flood risk listRH20 2HD: not on the flood risk listRH20 2HE: not on the flood risk listRH20 2HF: not on the flood risk listRH20 2HG: not on the flood risk listRH20 2HH: not on the flood risk listRH20 2HJ: not on the flood risk listRH20 2HL: not on the flood risk listRH20 2HN: not on the flood risk listRH20 2HP: not on the flood risk listRH20 2HR: not on the flood risk listRH20 2HS: not on the flood risk listRH20 2HU: not on the flood risk listRH20 2HW: not on the flood risk listRH20 2HX: not on the flood risk listRH20 2HY: not on the flood risk listRH20 2HZ: not on the flood risk listRH20 2JA: not on the flood risk listRH20 2JE: not on the flood risk listRH20 2JF: not on the flood risk listRH20 2JH: not on the flood risk listRH20 2JJ: not on the flood risk listRH20 2JN: not on the flood risk listRH20 2JP: not on the flood risk listRH20 2JQ: not on the flood risk listRH20 2JS: not on the flood risk listRH20 2JT: not on the flood risk listRH20 2JU: not on the flood risk listRH20 2JW: not on the flood risk listRH20 2JX: not on the flood risk listRH20 2JY: not on the flood risk listRH20 2LA: not on the flood risk listRH20 2LB: not on the flood risk listRH20 2LD: not on the flood risk listRH20 2LE: not on the flood risk listRH20 2LF: not on the flood risk listRH20 2LG: not on the flood risk listRH20 2LH: not on the flood risk listRH20 2LJ: not on the flood risk listRH20 2LN: not on the flood risk listRH20 2LP: not on the flood risk listRH20 2LQ: not on the flood risk listRH20 2LR: not on the flood risk listRH20 2LT: not on the flood risk listRH20 2LU: not on the flood risk listRH20 2LW: not on the flood risk listRH20 2LY: not on the flood risk listRH20 2LZ: not on the flood risk listRH20 2NA: not on the flood risk listRH20 2NB: not on the flood risk listRH20 2NE: not on the flood risk listRH20 2NF: not on the flood risk listRH20 2NG: not on the flood risk listRH20 2NH: not on the flood risk listRH20 2NJ: not on the flood risk listRH20 2NL: not on the flood risk listRH20 2NN: not on the flood risk listRH20 2NQ: not on the flood risk listRH20 2NS: not on the flood risk listRH20 2NT: not on the flood risk listRH20 2NU: not on the flood risk listRH20 2NX: not on the flood risk listRH20 2NY: not on the flood risk listRH20 2PA: not on the flood risk listRH20 2PB: not on the flood risk listRH20 2PD: not on the flood risk listRH20 2PE: not on the flood risk listRH20 2PF: not on the flood risk listRH20 2PH: not on the flood risk listRH20 2PN: not on the flood risk listRH20 2PP: not on the flood risk listRH20 2PQ: not on the flood risk listRH20 2PT: not on the flood risk listRH20 2PU: not on the flood risk listRH20 2PW: not on the flood risk listRH20 2PX: not on the flood risk listRH20 2PZ: not on the flood risk listRH20 2QA: not on the flood risk listRH20 2QB: not on the flood risk listRH20 2QE: not on the flood risk listRH20 2QG: not on the flood risk listRH20 2QH: not on the flood risk listRH20 2QJ: not on the flood risk listRH20 2QN: not on the flood risk listRH20 2QP: not on the flood risk listRH20 2QS: not on the flood risk listRH20 2QW: not on the flood risk listRH20 2QX: not on the flood risk listRH20 2QY: not on the flood risk listRH20 2QZ: not on the flood risk listRH20 2RA: not on the flood risk listRH20 2RB: not on the flood risk listRH20 2RD: not on the flood risk listRH20 2RE: not on the flood risk listRH20 2RF: not on the flood risk listRH20 2RG: not on the flood risk listRH20 2RH: not on the flood risk listRH20 2RN: not on the flood risk listRH20 2RT: not on the flood risk listRH20 2RU: not on the flood risk listRH20 2RW: not on the flood risk listRH20 2RX: not on the flood risk listRH20 2RY: not on the flood risk listRH20 2RZ: not on the flood risk listRH20 2SA: not on the flood risk listRH20 2SG: not on the flood risk listRH20 2SW: not on the flood risk listRH20 2TA: not on the flood risk listRH20 3AA: not on the flood risk listRH20 3AB: not on the flood risk listRH20 3AD: not on the flood risk listRH20 3AE: not on the flood risk listRH20 3AF: not on the flood risk listRH20 3AG: not on the flood risk listRH20 3AH: not on the flood risk listRH20 3AJ: not on the flood risk listRH20 3AL: not on the flood risk listRH20 3AN: not on the flood risk listRH20 3AP: not on the flood risk listRH20 3AR: not on the flood risk listRH20 3AS: not on the flood risk listRH20 3AT: not on the flood risk listRH20 3AU: not on the flood risk listRH20 3AW: not on the flood risk listRH20 3AX: not on the flood risk listRH20 3AY: not on the flood risk listRH20 3AZ: not on the flood risk listRH20 3BA: not on the flood risk listRH20 3BF: not on the flood risk listRH20 3BH: not on the flood risk listRH20 3BL: not on the flood risk listRH20 3BN: not on the flood risk listRH20 3BP: not on the flood risk listRH20 3BQ: not on the flood risk listRH20 3BS: not on the flood risk listRH20 3BT: not on the flood risk listRH20 3BU: not on the flood risk listRH20 3BW: not on the flood risk listRH20 3BY: not on the flood risk listRH20 3DF: not on the flood risk listRH20 3DH: not on the flood risk listRH20 3DJ: not on the flood risk listRH20 3DL: not on the flood risk listRH20 3DN: not on the flood risk listRH20 3DT: not on the flood risk listRH20 3DZ: not on the flood risk listRH20 3ED: not on the flood risk listRH20 3EE: not on the flood risk listRH20 3EF: not on the flood risk listRH20 3EG: not on the flood risk listRH20 3EH: not on the flood risk listRH20 3EJ: not on the flood risk listRH20 3EN: not on the flood risk listRH20 3EQ: not on the flood risk listRH20 3ER: not on the flood risk listRH20 3ES: not on the flood risk listRH20 3ET: not on the flood risk listRH20 3EU: not on the flood risk listRH20 3EW: not on the flood risk listRH20 3EX: not on the flood risk listRH20 3EY: not on the flood risk listRH20 3FU: not on the flood risk listRH20 3GJ: not on the flood risk listRH20 3GL: not on the flood risk listRH20 3GP: not on the flood risk listRH20 3GR: not on the flood risk listRH20 3GU: not on the flood risk listRH20 3GW: not on the flood risk listRH20 3GY: not on the flood risk listRH20 3HA: not on the flood risk listRH20 3HB: not on the flood risk listRH20 3HD: not on the flood risk listRH20 3HE: not on the flood risk listRH20 3HF: not on the flood risk listRH20 3HG: not on the flood risk listRH20 3HH: not on the flood risk listRH20 3HJ: not on the flood risk listRH20 3HL: not on the flood risk listRH20 3HN: not on the flood risk listRH20 3HP: not on the flood risk listRH20 3HR: not on the flood risk listRH20 3HS: not on the flood risk listRH20 3HT: not on the flood risk listRH20 3HU: not on the flood risk listRH20 3HW: not on the flood risk listRH20 3HX: not on the flood risk listRH20 3HY: not on the flood risk listRH20 3HZ: not on the flood risk listRH20 3JA: not on the flood risk listRH20 3JD: not on the flood risk listRH20 3JE: not on the flood risk listRH20 3JG: not on the flood risk listRH20 3JH: not on the flood risk listRH20 3JQ: not on the flood risk listRH20 3JT: not on the flood risk listRH20 3JW: not on the flood risk listRH20 3LF: not on the flood risk listRH20 3LL: not on the flood risk listRH20 3LP: not on the flood risk listRH20 3LQ: not on the flood risk listRH20 3LS: not on the flood risk listRH20 3LW: not on the flood risk listRH20 3LX: not on the flood risk listRH20 3LY: not on the flood risk listRH20 3LZ: not on the flood risk listRH20 3NB: not on the flood risk listRH20 3ND: not on the flood risk listRH20 3NH: not on the flood risk listRH20 3NJ: not on the flood risk listRH20 3NL: not on the flood risk listRH20 3NN: not on the flood risk listRH20 3NR: not on the flood risk listRH20 3PA: not on the flood risk listRH20 3PE: not on the flood risk listRH20 3PH: not on the flood risk listRH20 3PN: not on the flood risk listRH20 3PX: not on the flood risk listRH20 3QA: not on the flood risk listRH20 3QB: not on the flood risk listRH20 3QD: not on the flood risk listRH20 3QE: not on the flood risk listRH20 3QG: not on the flood risk listRH20 3QR: not on the flood risk listRH20 3QY: not on the flood risk listRH20 3QZ: not on the flood risk listRH20 3RD: not on the flood risk listRH20 3RE: not on the flood risk listRH20 3WN: not on the flood risk listRH20 4AA: not on the flood risk listRH20 4AB: not on the flood risk listRH20 4AD: not on the flood risk listRH20 4AE: not on the flood risk listRH20 4AF: not on the flood risk listRH20 4AG: not on the flood risk listRH20 4AH: not on the flood risk listRH20 4AJ: not on the flood risk listRH20 4AL: not on the flood risk listRH20 4AN: not on the flood risk listRH20 4AP: not on the flood risk listRH20 4AQ: not on the flood risk listRH20 4AR: not on the flood risk listRH20 4AS: not on the flood risk listRH20 4AT: not on the flood risk listRH20 4AU: not on the flood risk listRH20 4AX: not on the flood risk listRH20 4AY: not on the flood risk listRH20 4AZ: not on the flood risk listRH20 4BA: not on the flood risk listRH20 4BB: not on the flood risk listRH20 4BE: not on the flood risk listRH20 4BF: not on the flood risk listRH20 4BG: not on the flood risk listRH20 4BH: not on the flood risk listRH20 4BJ: not on the flood risk listRH20 4BL: not on the flood risk listRH20 4BN: not on the flood risk listRH20 4BP: not on the flood risk listRH20 4BQ: not on the flood risk listRH20 4BS: not on the flood risk listRH20 4BT: not on the flood risk listRH20 4BU: not on the flood risk listRH20 4BY: not on the flood risk listRH20 4DB: not on the flood risk listRH20 4DD: not on the flood risk listRH20 4DE: not on the flood risk listRH20 4DF: not on the flood risk listRH20 4DG: not on the flood risk listRH20 4DL: not on the flood risk listRH20 4DQ: not on the flood risk listRH20 4DT: not on the flood risk listRH20 4DZ: not on the flood risk listRH20 4EG: not on the flood risk listRH20 4EJ: not on the flood risk listRH20 4EL: not on the flood risk listRH20 4EP: not on the flood risk listRH20 4EQ: not on the flood risk listRH20 4EX: not on the flood risk listRH20 4EY: not on the flood risk listRH20 4FH: not on the flood risk listRH20 4FL: not on the flood risk listRH20 4FP: not on the flood risk listRH20 4FQ: not on the flood risk listRH20 4FR: not on the flood risk listRH20 4GJ: not on the flood risk listRH20 4GL: not on the flood risk listRH20 4GW: not on the flood risk listRH20 4GZ: not on the flood risk listRH20 4HA: not on the flood risk listRH20 4HB: not on the flood risk listRH20 4HE: not on the flood risk listRH20 4HF: not on the flood risk listRH20 4HG: not on the flood risk listRH20 4HH: not on the flood risk listRH20 4HJ: not on the flood risk listRH20 4HL: not on the flood risk listRH20 4HN: not on the flood risk listRH20 4HP: not on the flood risk listRH20 4HQ: not on the flood risk listRH20 4HR: not on the flood risk listRH20 4HS: not on the flood risk listRH20 4HT: not on the flood risk listRH20 4HU: not on the flood risk listRH20 4HW: not on the flood risk listRH20 4JB: not on the flood risk listRH20 4JD: not on the flood risk listRH20 4JF: not on the flood risk listRH20 4JH: not on the flood risk listRH20 4JJ: not on the flood risk listRH20 4JL: not on the flood risk listRH20 4JN: not on the flood risk listRH20 4JQ: not on the flood risk listRH20 4JS: not on the flood risk listRH20 4JU: not on the flood risk listRH20 4JX: not on the flood risk listRH20 4JZ: not on the flood risk listRH20 4LG: not on the flood risk listRH20 4LP: not on the flood risk listRH20 4LS: not on the flood risk listRH20 4LT: not on the flood risk listRH20 4LU: not on the flood risk listRH20 4LW: not on the flood risk listRH20 4LX: not on the flood risk listRH20 4LY: not on the flood risk listRH20 4LZ: not on the flood risk listRH20 4NA: not on the flood risk listRH20 4NE: not on the flood risk listRH20 4NH: not on the flood risk listRH20 4NP: not on the flood risk listRH20 4NR: not on the flood risk listRH20 4NS: not on the flood risk listRH20 4NZ: not on the flood risk listRH20 4PB: not on the flood risk listRH20 4PG: not on the flood risk listRH20 4PJ: not on the flood risk listRH20 4PL: not on the flood risk listRH20 4PS: not on the flood risk listRH20 4PT: not on the flood risk listRH20 4PX: not on the flood risk listRH20 4QB: not on the flood risk listRH20 4QF: not on the flood risk listRH20 4QG: not on the flood risk listRH20 4QL: not on the flood risk listRH20 4QN: not on the flood risk listRH20 4QX: not on the flood risk listRH20 4QY: not on the flood risk listRH20 4QZ: not on the flood risk listRH20 4RA: not on the flood risk listRH20 4RP: not on the flood risk listRH20 1DF: low flood risk at worstRH20 1DS: low flood risk at worstRH20 1JS: low flood risk at worstRH20 1LA: low flood risk at worstRH20 1LD: low flood risk at worstRH20 1PD: low flood risk at worstRH20 2GL: low flood risk at worstRH20 2NW: low flood risk at worstRH20 2PG: low flood risk at worstRH20 3PG: low flood risk at worstRH20 3PQ: low flood risk at worstRH20 4DN: low flood risk at worstRH20 1DL: medium flood risk at worstRH20 1FD: medium flood risk at worstRH20 1PE: medium flood risk at worstRH20 1JT: medium flood risk at worstRH20 1NP: medium flood risk at worstRH20 2HQ: medium flood risk at worstRH20 2EU: medium flood risk at worstRH20 2QU: medium flood risk at worstRH20 2RP: medium flood risk at worstRH20 3DA: medium flood risk at worstRH20 3DD: medium flood risk at worstRH20 3DG: medium flood risk at worstRH20 3JX: medium flood risk at worstRH20 4TD: medium flood risk at worstRH20 2BJ: high flood riskRH20 1BT: high flood riskRH20 1DJ: high flood riskRH20 1EA: high flood riskRH20 1EN: high flood riskRH20 1LB: high flood riskRH20 1LF: high flood riskRH20 1LJ: high flood riskRH20 1NG: high flood riskRH20 1PB: high flood riskRH20 2DA: high flood riskRH20 2BS: high flood riskRH20 2BF: high flood riskRH20 2BH: high flood riskRH20 2EE: high flood riskRH20 2EL: high flood riskRH20 2ES: high flood riskRH20 2LS: high flood riskRH20 2PR: high flood riskRH20 2SN: high flood riskRH20 3BB: high flood riskRH20 3BD: high flood riskRH20 3BG: high flood riskRH20 3DE: high flood riskRH20 3EZ: high flood riskRH20 3NT: high flood riskRH20 3NU: high flood riskRH20 3NS: high flood riskRH20 4FF: high flood risk StorringtonPulboroughWest ChiltingtonPetworthAshington, Horsham 5 postcodes at high or medium risk, outlined: this goes to RH20 2DB, the one with most homes and businesses at high risk5 postcodes at high or medium risk5 postcodes at high or medium risk, outlined: this goes to RH20 3BX, the one with most homes and businesses at high risk5 postcodes at high or medium risk Map of every postcode in RH20, by flood risk Of the 893 postcodes in RH20 that ONS places, 34 have a home or business at high risk, 14 are at medium risk at worst, 16 are at low risk at worst and 829 are not on the Environment Agency's at-risk list. 3 groups of postcodes at high or medium risk are outlined: 5 postcodes at high or medium risk; 5 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: Storrington, Pulborough, West Chiltington, Petworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. A272 StorringtonPulboroughWest ChiltingtonPetworth 5 postcodes at high or medium risk, outlined: this goes to RH20 2DB, the one with most homes and businesses at high risk5 postcodes at high or medium risk
  • A home or business at high risk: 34
  • At medium risk at worst: 14
  • At low risk at worst: 16
  • At very low risk only: 0
  • Not on the at-risk list: 829
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 893 postcodes in RH20 that ONS places, 34 have a home or business at high risk, 14 are at medium risk at worst, 16 are at low risk at worst and 829 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 200 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 50.9376, longitude -0.4705. 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

34 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.

RH20 3NY14 at high riskRH20 3NS9 at high riskRH20 2BH8 at high riskRH20 3NT7 at high riskRH20 2DB6 at high riskRH20 1EP6 at high riskRH20 1LF5 at high riskRH20 2EL5 at high riskRH20 2ES5 at high riskRH20 1LB4 at high riskRH20 3BX4 at high riskRH20 2EE4 at high risk

Where the postcodes at high or medium risk lie together

  • 5 postcodes at high or medium risk, outlined on the map. RH20 2DB, is the one with most homes and businesses at high risk.
  • 5 postcodes at high or medium risk, outlined on the map. RH20 3BX, is the one with most homes and businesses at high risk.
  • 5 postcodes at high or medium risk, outlined on the map. RH20 3NY, is the one with most homes and businesses at high risk.

What broadband can you get in RH20?

Ofcom reports on 867 of the 893 postcodes in RH20. At 355 of them every home and business can get gigabit broadband, and at 20 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit355 of 867
Postcodes where every home can get superfast714 of 867
Postcodes where some cannot get decent broadband20 of 867

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 RH20 at risk of flooding?

64 of the 893 postcodes in RH20 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 169 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 64 of 893 postcodes High: 115Medium: 54Low: 114Very low: 2

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 RH20?

Homes in RH20 sold for a typical £500,000 in the 12 months to August 2026, across 353 sales, no change on the 12 months before, HM Land Registry's figures show.

£500,000 typical price, the 12 months to August 2026
£500,000 12 months to August 2025
■ no change on the 12 months before
  • Detached £700,000 209 sales
  • Semi-detached £402,500 60 sales
  • Terraced £342,746 46 sales
  • Flat or maisonette £210,000 38 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 RH20

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

RH20 1200 postcodesRH20 2244 postcodesRH20 3209 postcodesRH20 4227 postcodesRH20 69 postcodesRH20 94 postcodes
UK postcode format explained

Places in RH20

Towns and villages with postcodes in RH20, and how many each has here.

Storrington postcodes,291Pulborough postcodes,131West Chiltington postcodes,112Ashington, Horsham postcodes,60Findon postcodes,4

Who covers RH20

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

  • Arundel and South Downs892
  • Horsham1

Police force areas

  • Sussex893

Next to RH20

RH19 postcode district RH77 postcode district All RH districts Storrington postcodes

"Next to" is by number: the districts before and after RH20 in the RH area.

Check a postcode

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