TW15 postcode district: Ashford, Spelthorne and around

TW15 is a postcode district mostly in Surrey, with 659 postcodes in use in 4 sectors. It has postcodes in Ashford, Spelthorne, Ashford Common and Hounslow. It is split between 2 councils: Spelthorne (651 postcodes) and Hounslow (6). 651 are in Surrey. ONS lists no county for 6 more. ONS gives no location for 2 of its postcodes, and so no council.

Postcodes in use
659
Sectors
4
Councils
2 councils
Places
3 places

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

Every postcode in TW15, by flood risk

Map of every postcode in TW15, by flood risk Of the 657 postcodes in TW15 that ONS places, 3 have a home or business at high risk, 4 are at medium risk at worst, 119 are at low risk at worst, 109 are at very low risk only and 422 are not on the Environment Agency's at-risk list. Places named: Ashford, Spelthorne, Ashford Common. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A308 TW15 1AA: not on the flood risk listTW15 1AB: not on the flood risk listTW15 1AD: not on the flood risk listTW15 1AE: not on the flood risk listTW15 1AF: not on the flood risk listTW15 1AG: not on the flood risk listTW15 1AH: not on the flood risk listTW15 1AQ: not on the flood risk listTW15 1AS: not on the flood risk listTW15 1AT: not on the flood risk listTW15 1AU: not on the flood risk listTW15 1AX: not on the flood risk listTW15 1BB: not on the flood risk listTW15 1BD: not on the flood risk listTW15 1BE: not on the flood risk listTW15 1BF: not on the flood risk listTW15 1BG: not on the flood risk listTW15 1BH: not on the flood risk listTW15 1BL: not on the flood risk listTW15 1BP: not on the flood risk listTW15 1BQ: not on the flood risk listTW15 1BT: not on the flood risk listTW15 1BU: not on the flood risk listTW15 1BW: not on the flood risk listTW15 1BX: not on the flood risk listTW15 1BY: not on the flood risk listTW15 1BZ: not on the flood risk listTW15 1DB: not on the flood risk listTW15 1DE: not on the flood risk listTW15 1DZ: not on the flood risk listTW15 1EA: not on the flood risk listTW15 1EB: not on the flood risk listTW15 1ED: not on the flood risk listTW15 1EE: not on the flood risk listTW15 1EL: not on the flood risk listTW15 1EP: not on the flood risk listTW15 1EQ: not on the flood risk listTW15 1ER: not on the flood risk listTW15 1EW: not on the flood risk listTW15 1HF: not on the flood risk listTW15 1HH: not on the flood risk listTW15 1HP: not on the flood risk listTW15 1HQ: not on the flood risk listTW15 1HS: not on the flood risk listTW15 1HT: not on the flood risk listTW15 1HU: not on the flood risk listTW15 1HX: not on the flood risk listTW15 1HY: not on the flood risk listTW15 1HZ: not on the flood risk listTW15 1JA: not on the flood risk listTW15 1JP: not on the flood risk listTW15 1JY: not on the flood risk listTW15 1LN: not on the flood risk listTW15 1LT: not on the flood risk listTW15 1LU: not on the flood risk listTW15 1LX: not on the flood risk listTW15 1NF: not on the flood risk listTW15 1NG: not on the flood risk listTW15 1NL: not on the flood risk listTW15 1NN: not on the flood risk listTW15 1NP: not on the flood risk listTW15 1NR: not on the flood risk listTW15 1NS: not on the flood risk listTW15 1NT: not on the flood risk listTW15 1NU: not on the flood risk listTW15 1NW: not on the flood risk listTW15 1NX: not on the flood risk listTW15 1NY: not on the flood risk listTW15 1NZ: not on the flood risk listTW15 1PA: not on the flood risk listTW15 1PB: not on the flood risk listTW15 1PN: not on the flood risk listTW15 1PP: not on the flood risk listTW15 1PY: not on the flood risk listTW15 1PZ: not on the flood risk listTW15 1QJ: not on the flood risk listTW15 1RH: not on the flood risk listTW15 1RP: not on the flood risk listTW15 1RU: not on the flood risk listTW15 1RX: not on the flood risk listTW15 1SD: not on the flood risk listTW15 1TZ: not on the flood risk listTW15 1UB: not on the flood risk listTW15 1UE: not on the flood risk listTW15 1UF: not on the flood risk listTW15 1UG: not on the flood risk listTW15 1UJ: not on the flood risk listTW15 1UN: not on the flood risk listTW15 1UP: not on the flood risk listTW15 1UQ: not on the flood risk listTW15 1UR: not on the flood risk listTW15 1UT: not on the flood risk listTW15 1UU: not on the flood risk listTW15 1UW: not on the flood risk listTW15 1UX: not on the flood risk listTW15 1UY: not on the flood risk listTW15 2AA: not on the flood risk listTW15 2AE: not on the flood risk listTW15 2AF: not on the flood risk listTW15 2AG: not on the flood risk listTW15 2AN: not on the flood risk listTW15 2AR: not on the flood risk listTW15 2AU: not on the flood risk listTW15 2AW: not on the flood risk listTW15 2AX: not on the flood risk listTW15 2AY: not on the flood risk listTW15 2AZ: not on the flood risk listTW15 2BF: not on the flood risk listTW15 2BG: not on the flood risk listTW15 2BL: not on the flood risk listTW15 2BN: not on the flood risk listTW15 2DF: not on the flood risk listTW15 2DG: not on the flood risk listTW15 2DH: not on the flood risk listTW15 2DJ: not on the flood risk listTW15 2DL: not on the flood risk listTW15 2DN: not on the flood risk listTW15 2DQ: not on the flood risk listTW15 2DS: not on the flood risk listTW15 2DU: not on the flood risk listTW15 2DW: not on the flood risk listTW15 2DY: not on the flood risk listTW15 2EA: not on the flood risk listTW15 2EB: not on the flood risk listTW15 2ED: not on the flood risk listTW15 2EE: not on the flood risk listTW15 2EF: not on the flood risk listTW15 2EG: not on the flood risk listTW15 2EH: not on the flood risk listTW15 2EJ: not on the flood risk listTW15 2EL: not on the flood risk listTW15 2EN: not on the flood risk listTW15 2EP: not on the flood risk listTW15 2ER: not on the flood risk listTW15 2ES: not on the flood risk listTW15 2EW: not on the flood risk listTW15 2GA: not on the flood risk listTW15 2HA: not on the flood risk listTW15 2HB: not on the flood risk listTW15 2HD: not on the flood risk listTW15 2HE: not on the flood risk listTW15 2HF: not on the flood risk listTW15 2HG: not on the flood risk listTW15 2HH: not on the flood risk listTW15 2HJ: not on the flood risk listTW15 2HP: not on the flood risk listTW15 2HQ: not on the flood risk listTW15 2HR: not on the flood risk listTW15 2HS: not on the flood risk listTW15 2HT: not on the flood risk listTW15 2HU: not on the flood risk listTW15 2HW: not on the flood risk listTW15 2HY: not on the flood risk listTW15 2HZ: not on the flood risk listTW15 2JB: not on the flood risk listTW15 2JD: not on the flood risk listTW15 2JE: not on the flood risk listTW15 2JF: not on the flood risk listTW15 2JG: not on the flood risk listTW15 2JH: not on the flood risk listTW15 2JN: not on the flood risk listTW15 2JP: not on the flood risk listTW15 2JQ: not on the flood risk listTW15 2JR: not on the flood risk listTW15 2JS: not on the flood risk listTW15 2JT: not on the flood risk listTW15 2JU: not on the flood risk listTW15 2JW: not on the flood risk listTW15 2JX: not on the flood risk listTW15 2JY: not on the flood risk listTW15 2JZ: not on the flood risk listTW15 2LA: not on the flood risk listTW15 2LB: not on the flood risk listTW15 2LE: not on the flood risk listTW15 2LF: not on the flood risk listTW15 2LG: not on the flood risk listTW15 2LH: not on the flood risk listTW15 2LJ: not on the flood risk listTW15 2LL: not on the flood risk listTW15 2LN: not on the flood risk listTW15 2LP: not on the flood risk listTW15 2LQ: not on the flood risk listTW15 2LR: not on the flood risk listTW15 2LS: not on the flood risk listTW15 2LT: not on the flood risk listTW15 2LU: not on the flood risk listTW15 2LW: not on the flood risk listTW15 2NA: not on the flood risk listTW15 2NB: not on the flood risk listTW15 2ND: not on the flood risk listTW15 2NE: not on the flood risk listTW15 2NF: not on the flood risk listTW15 2NG: not on the flood risk listTW15 2NH: not on the flood risk listTW15 2NJ: not on the flood risk listTW15 2NL: not on the flood risk listTW15 2NN: not on the flood risk listTW15 2NP: not on the flood risk listTW15 2NR: not on the flood risk listTW15 2NS: not on the flood risk listTW15 2NT: not on the flood risk listTW15 2NU: not on the flood risk listTW15 2NW: not on the flood risk listTW15 2NX: not on the flood risk listTW15 2NY: not on the flood risk listTW15 2PA: not on the flood risk listTW15 2PB: not on the flood risk listTW15 2PD: not on the flood risk listTW15 2PE: not on the flood risk listTW15 2PF: not on the flood risk listTW15 2PH: not on the flood risk listTW15 2PL: not on the flood risk listTW15 2PN: not on the flood risk listTW15 2PQ: not on the flood risk listTW15 2PT: not on the flood risk listTW15 2PU: not on the flood risk listTW15 2PW: not on the flood risk listTW15 2QA: not on the flood risk listTW15 2QD: not on the flood risk listTW15 2QE: not on the flood risk listTW15 2QF: not on the flood risk listTW15 2QH: not on the flood risk listTW15 2QJ: not on the flood risk listTW15 2QN: not on the flood risk listTW15 2QQ: not on the flood risk listTW15 2QS: not on the flood risk listTW15 2QT: not on the flood risk listTW15 2QU: not on the flood risk listTW15 2QW: not on the flood risk listTW15 2QX: not on the flood risk listTW15 2RA: not on the flood risk listTW15 2RB: not on the flood risk listTW15 2RD: not on the flood risk listTW15 2RF: not on the flood risk listTW15 2RH: not on the flood risk listTW15 2RL: not on the flood risk listTW15 2RP: not on the flood risk listTW15 2RQ: not on the flood risk listTW15 2RR: not on the flood risk listTW15 2RU: not on the flood risk listTW15 2RW: not on the flood risk listTW15 2RX: not on the flood risk listTW15 2SA: not on the flood risk listTW15 2SB: not on the flood risk listTW15 2SE: not on the flood risk listTW15 2SF: not on the flood risk listTW15 2SG: not on the flood risk listTW15 2SH: not on the flood risk listTW15 2SJ: not on the flood risk listTW15 2SL: not on the flood risk listTW15 2SN: not on the flood risk listTW15 2SQ: not on the flood risk listTW15 2SR: not on the flood risk listTW15 2SS: not on the flood risk listTW15 2ST: not on the flood risk listTW15 2SU: not on the flood risk listTW15 2SW: not on the flood risk listTW15 2SX: not on the flood risk listTW15 2SY: not on the flood risk listTW15 2TA: not on the flood risk listTW15 2TB: not on the flood risk listTW15 2TD: not on the flood risk listTW15 2TE: not on the flood risk listTW15 2TH: not on the flood risk listTW15 2TJ: not on the flood risk listTW15 2TL: not on the flood risk listTW15 2TP: not on the flood risk listTW15 2TQ: not on the flood risk listTW15 2TS: not on the flood risk listTW15 2TT: not on the flood risk listTW15 2TU: not on the flood risk listTW15 2TX: not on the flood risk listTW15 2TY: not on the flood risk listTW15 2UD: not on the flood risk listTW15 2UF: not on the flood risk listTW15 2UG: not on the flood risk listTW15 2UP: not on the flood risk listTW15 2UR: not on the flood risk listTW15 2UT: not on the flood risk listTW15 2UW: not on the flood risk listTW15 2UY: not on the flood risk listTW15 2XG: not on the flood risk listTW15 3AA: not on the flood risk listTW15 3AB: not on the flood risk listTW15 3AD: not on the flood risk listTW15 3AE: not on the flood risk listTW15 3AF: not on the flood risk listTW15 3AG: not on the flood risk listTW15 3AH: not on the flood risk listTW15 3AJ: not on the flood risk listTW15 3AN: not on the flood risk listTW15 3AQ: not on the flood risk listTW15 3AR: not on the flood risk listTW15 3AS: not on the flood risk listTW15 3AT: not on the flood risk listTW15 3AU: not on the flood risk listTW15 3AW: not on the flood risk listTW15 3AX: not on the flood risk listTW15 3AY: not on the flood risk listTW15 3AZ: not on the flood risk listTW15 3BB: not on the flood risk listTW15 3BF: not on the flood risk listTW15 3BJ: not on the flood risk listTW15 3BP: not on the flood risk listTW15 3BS: not on the flood risk listTW15 3BT: not on the flood risk listTW15 3BU: not on the flood risk listTW15 3BW: not on the flood risk listTW15 3BX: not on the flood risk listTW15 3BY: not on the flood risk listTW15 3BZ: not on the flood risk listTW15 3DA: not on the flood risk listTW15 3DB: not on the flood risk listTW15 3DD: not on the flood risk listTW15 3DE: not on the flood risk listTW15 3DF: not on the flood risk listTW15 3DG: not on the flood risk listTW15 3DH: not on the flood risk listTW15 3DJ: not on the flood risk listTW15 3DL: not on the flood risk listTW15 3DN: not on the flood risk listTW15 3DQ: not on the flood risk listTW15 3DR: not on the flood risk listTW15 3DS: not on the flood risk listTW15 3DT: not on the flood risk listTW15 3DU: not on the flood risk listTW15 3DZ: not on the flood risk listTW15 3EA: not on the flood risk listTW15 3EB: not on the flood risk listTW15 3ED: not on the flood risk listTW15 3EE: not on the flood risk listTW15 3EF: not on the flood risk listTW15 3EG: not on the flood risk listTW15 3EH: not on the flood risk listTW15 3EJ: not on the flood risk listTW15 3EL: not on the flood risk listTW15 3EN: not on the flood risk listTW15 3EP: not on the flood risk listTW15 3EQ: not on the flood risk listTW15 3ER: not on the flood risk listTW15 3ES: not on the flood risk listTW15 3ET: not on the flood risk listTW15 3EU: not on the flood risk listTW15 3EW: not on the flood risk listTW15 3EX: not on the flood risk listTW15 3EZ: not on the flood risk listTW15 3FB: not on the flood risk listTW15 3FD: not on the flood risk listTW15 3FE: not on the flood risk listTW15 3FF: not on the flood risk listTW15 3FG: not on the flood risk listTW15 3FJ: not on the flood risk listTW15 3GA: not on the flood risk listTW15 3GB: not on the flood risk listTW15 3GD: not on the flood risk listTW15 3GN: not on the flood risk listTW15 3HB: not on the flood risk listTW15 3HG: not on the flood risk listTW15 3HH: not on the flood risk listTW15 3HJ: not on the flood risk listTW15 3HL: not on the flood risk listTW15 3HN: not on the flood risk listTW15 3HP: not on the flood risk listTW15 3HQ: not on the flood risk listTW15 3HR: not on the flood risk listTW15 3HS: not on the flood risk listTW15 3HT: not on the flood risk listTW15 3HU: not on the flood risk listTW15 3HW: not on the flood risk listTW15 3HX: not on the flood risk listTW15 3HY: not on the flood risk listTW15 3HZ: not on the flood risk listTW15 3JA: not on the flood risk listTW15 3JD: not on the flood risk listTW15 3JE: not on the flood risk listTW15 3JF: not on the flood risk listTW15 3JG: not on the flood risk listTW15 3JH: not on the flood risk listTW15 3JJ: not on the flood risk listTW15 3JL: not on the flood risk listTW15 3JQ: not on the flood risk listTW15 3JS: not on the flood risk listTW15 3JU: not on the flood risk listTW15 3JX: not on the flood risk listTW15 3JY: not on the flood risk listTW15 3JZ: not on the flood risk listTW15 3LH: not on the flood risk listTW15 3LN: not on the flood risk listTW15 3LW: not on the flood risk listTW15 3PF: not on the flood risk listTW15 3PT: not on the flood risk listTW15 3PU: not on the flood risk listTW15 3PX: not on the flood risk listTW15 3QF: not on the flood risk listTW15 3QH: not on the flood risk listTW15 3QJ: not on the flood risk listTW15 3QL: not on the flood risk listTW15 3QP: not on the flood risk listTW15 3QQ: not on the flood risk listTW15 3QR: not on the flood risk listTW15 3QS: not on the flood risk listTW15 3QT: not on the flood risk listTW15 3QU: not on the flood risk listTW15 3QX: not on the flood risk listTW15 3RT: not on the flood risk listTW15 1AJ: very low flood risk onlyTW15 1AL: very low flood risk onlyTW15 1AP: very low flood risk onlyTW15 1AR: very low flood risk onlyTW15 1AW: very low flood risk onlyTW15 1BS: very low flood risk onlyTW15 1DD: very low flood risk onlyTW15 1DF: very low flood risk onlyTW15 1DG: very low flood risk onlyTW15 1DH: very low flood risk onlyTW15 1DN: very low flood risk onlyTW15 1DP: very low flood risk onlyTW15 1DQ: very low flood risk onlyTW15 1DR: very low flood risk onlyTW15 1DS: very low flood risk onlyTW15 1DT: very low flood risk onlyTW15 1DU: very low flood risk onlyTW15 1DW: very low flood risk onlyTW15 1DX: very low flood risk onlyTW15 1EF: very low flood risk onlyTW15 1EG: very low flood risk onlyTW15 1EH: very low flood risk onlyTW15 1EJ: very low flood risk onlyTW15 1EN: very low flood risk onlyTW15 1ES: very low flood risk onlyTW15 1ET: very low flood risk onlyTW15 1EU: very low flood risk onlyTW15 1EX: very low flood risk onlyTW15 1EY: very low flood risk onlyTW15 1EZ: very low flood risk onlyTW15 1HA: very low flood risk onlyTW15 1HB: very low flood risk onlyTW15 1HD: very low flood risk onlyTW15 1HE: very low flood risk onlyTW15 1HG: very low flood risk onlyTW15 1HJ: very low flood risk onlyTW15 1HL: very low flood risk onlyTW15 1JN: very low flood risk onlyTW15 1JR: very low flood risk onlyTW15 1JW: very low flood risk onlyTW15 1LS: very low flood risk onlyTW15 1NH: very low flood risk onlyTW15 1NJ: very low flood risk onlyTW15 1NQ: very low flood risk onlyTW15 1PD: very low flood risk onlyTW15 1PE: very low flood risk onlyTW15 1PF: very low flood risk onlyTW15 1PG: very low flood risk onlyTW15 1PH: very low flood risk onlyTW15 1PJ: very low flood risk onlyTW15 1PL: very low flood risk onlyTW15 1PQ: very low flood risk onlyTW15 1PW: very low flood risk onlyTW15 1QD: very low flood risk onlyTW15 1QH: very low flood risk onlyTW15 1QL: very low flood risk onlyTW15 1RZ: very low flood risk onlyTW15 1RB: very low flood risk onlyTW15 1RE: very low flood risk onlyTW15 1RW: very low flood risk onlyTW15 1RY: very low flood risk onlyTW15 1SG: very low flood risk onlyTW15 1SQ: very low flood risk onlyTW15 1SS: very low flood risk onlyTW15 1SY: very low flood risk onlyTW15 1UH: very low flood risk onlyTW15 1XB: very low flood risk onlyTW15 1YQ: very low flood risk onlyTW15 2AB: very low flood risk onlyTW15 2AJ: very low flood risk onlyTW15 2AL: very low flood risk onlyTW15 2AP: very low flood risk onlyTW15 2AQ: very low flood risk onlyTW15 2AS: very low flood risk onlyTW15 2AT: very low flood risk onlyTW15 2BP: very low flood risk onlyTW15 2BS: very low flood risk onlyTW15 2BU: very low flood risk onlyTW15 2BX: very low flood risk onlyTW15 2BZ: very low flood risk onlyTW15 2DB: very low flood risk onlyTW15 2EY: very low flood risk onlyTW15 2HL: very low flood risk onlyTW15 2HN: very low flood risk onlyTW15 3JB: very low flood risk onlyTW15 3LD: very low flood risk onlyTW15 3LJ: very low flood risk onlyTW15 3LU: very low flood risk onlyTW15 3NB: very low flood risk onlyTW15 3ND: very low flood risk onlyTW15 3NL: very low flood risk onlyTW15 3NN: very low flood risk onlyTW15 3NR: very low flood risk onlyTW15 3PD: very low flood risk onlyTW15 3PG: very low flood risk onlyTW15 3PQ: very low flood risk onlyTW15 3PR: very low flood risk onlyTW15 3PS: very low flood risk onlyTW15 3PZ: very low flood risk onlyTW15 3QA: very low flood risk onlyTW15 3QN: very low flood risk onlyTW15 3QY: very low flood risk onlyTW15 3RN: very low flood risk onlyTW15 3RR: very low flood risk onlyTW15 3SG: very low flood risk onlyTW15 3SH: very low flood risk onlyTW15 3SL: very low flood risk onlyTW15 3SQ: very low flood risk onlyTW15 1DA: low flood risk at worstTW15 1HN: low flood risk at worstTW15 1JB: low flood risk at worstTW15 1JD: low flood risk at worstTW15 1JE: low flood risk at worstTW15 1JF: low flood risk at worstTW15 1JG: low flood risk at worstTW15 1JH: low flood risk at worstTW15 1JJ: low flood risk at worstTW15 1JL: low flood risk at worstTW15 1JQ: low flood risk at worstTW15 1LB: low flood risk at worstTW15 1LD: low flood risk at worstTW15 1LE: low flood risk at worstTW15 1LF: low flood risk at worstTW15 1LG: low flood risk at worstTW15 1LH: low flood risk at worstTW15 1LJ: low flood risk at worstTW15 1LP: low flood risk at worstTW15 1LQ: low flood risk at worstTW15 1LR: low flood risk at worstTW15 1LW: low flood risk at worstTW15 1QA: low flood risk at worstTW15 1QB: low flood risk at worstTW15 1QE: low flood risk at worstTW15 1QF: low flood risk at worstTW15 1QG: low flood risk at worstTW15 1QN: low flood risk at worstTW15 1QP: low flood risk at worstTW15 1QQ: low flood risk at worstTW15 1QW: low flood risk at worstTW15 1RF: low flood risk at worstTW15 1RG: low flood risk at worstTW15 1RJ: low flood risk at worstTW15 1RL: low flood risk at worstTW15 1RN: low flood risk at worstTW15 1RQ: low flood risk at worstTW15 1RS: low flood risk at worstTW15 1RT: low flood risk at worstTW15 1SB: low flood risk at worstTW15 1SF: low flood risk at worstTW15 1SJ: low flood risk at worstTW15 1SL: low flood risk at worstTW15 1SN: low flood risk at worstTW15 1SP: low flood risk at worstTW15 1SR: low flood risk at worstTW15 1ST: low flood risk at worstTW15 1SW: low flood risk at worstTW15 1SX: low flood risk at worstTW15 1SZ: low flood risk at worstTW15 1TA: low flood risk at worstTW15 1TB: low flood risk at worstTW15 1TD: low flood risk at worstTW15 1TE: low flood risk at worstTW15 1TF: low flood risk at worstTW15 1TG: low flood risk at worstTW15 1TH: low flood risk at worstTW15 1TJ: low flood risk at worstTW15 1TL: low flood risk at worstTW15 1TP: low flood risk at worstTW15 1TQ: low flood risk at worstTW15 1TR: low flood risk at worstTW15 1TS: low flood risk at worstTW15 1TT: low flood risk at worstTW15 1TU: low flood risk at worstTW15 1TW: low flood risk at worstTW15 1TX: low flood risk at worstTW15 1TY: low flood risk at worstTW15 1UA: low flood risk at worstTW15 2BB: low flood risk at worstTW15 2BD: low flood risk at worstTW15 2BE: low flood risk at worstTW15 2BH: low flood risk at worstTW15 2BJ: low flood risk at worstTW15 2BQ: low flood risk at worstTW15 2BT: low flood risk at worstTW15 2BW: low flood risk at worstTW15 2DA: low flood risk at worstTW15 2DD: low flood risk at worstTW15 2DE: low flood risk at worstTW15 2SP: low flood risk at worstTW15 3LF: low flood risk at worstTW15 3LL: low flood risk at worstTW15 3LQ: low flood risk at worstTW15 3LX: low flood risk at worstTW15 3LY: low flood risk at worstTW15 3LZ: low flood risk at worstTW15 3NA: low flood risk at worstTW15 3NE: low flood risk at worstTW15 3NF: low flood risk at worstTW15 3NG: low flood risk at worstTW15 3NH: low flood risk at worstTW15 3NP: low flood risk at worstTW15 3NQ: low flood risk at worstTW15 3NS: low flood risk at worstTW15 3NU: low flood risk at worstTW15 3NW: low flood risk at worstTW15 3PA: low flood risk at worstTW15 3PH: low flood risk at worstTW15 3PJ: low flood risk at worstTW15 3PL: low flood risk at worstTW15 3PP: low flood risk at worstTW15 3QZ: low flood risk at worstTW15 3RA: low flood risk at worstTW15 3RB: low flood risk at worstTW15 3RD: low flood risk at worstTW15 3RG: low flood risk at worstTW15 3RH: low flood risk at worstTW15 3RP: low flood risk at worstTW15 3RQ: low flood risk at worstTW15 3RU: low flood risk at worstTW15 3RY: low flood risk at worstTW15 3RZ: low flood risk at worstTW15 3SA: low flood risk at worstTW15 3SB: low flood risk at worstTW15 3SD: low flood risk at worstTW15 3SE: low flood risk at worstTW15 3SF: low flood risk at worstTW15 3SJ: low flood risk at worstTW15 3NJ: medium flood risk at worstTW15 3PN: medium flood risk at worstTW15 3RE: medium flood risk at worstTW15 3RL: medium flood risk at worstTW15 3PW: high flood riskTW15 3RF: high flood riskTW15 3RJ: high flood risk Ashford, SpelthorneAshford Common Map of every postcode in TW15, by flood risk Of the 657 postcodes in TW15 that ONS places, 3 have a home or business at high risk, 4 are at medium risk at worst, 119 are at low risk at worst, 109 are at very low risk only and 422 are not on the Environment Agency's at-risk list. Places named: Ashford, Spelthorne, Ashford Common. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Ashford, SpelthorneAshford Common
  • A home or business at high risk: 3
  • At medium risk at worst: 4
  • At low risk at worst: 119
  • At very low risk only: 109
  • Not on the at-risk list: 422

Of the 657 postcodes in TW15 that ONS places, 3 have a home or business at high risk, 4 are at medium risk at worst, 119 are at low risk at worst, 109 are at very low risk only and 422 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 51.4312, longitude -0.4587. 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

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

TW15 3PW8 at high riskTW15 3RJ1 at high riskTW15 3RF1 at high risk

What broadband can you get in TW15?

Ofcom reports on 650 of the 659 postcodes in TW15. At 512 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit512 of 650
Postcodes where every home can get superfast561 of 650

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 TW15 at risk of flooding?

235 of the 659 postcodes in TW15 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 24 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 235 of 659 postcodes High: 10Medium: 14Low: 1,790Very low: 2,263

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 TW15?

Homes in TW15 sold for a typical £450,000 in the 12 months to August 2026, across 253 sales, down 2.7% on the 12 months before, HM Land Registry's figures show.

£450,000 typical price, the 12 months to August 2026
£462,250 12 months to August 2025
▼ down 2.7% on the 12 months before
  • Detached £555,000 42 sales
  • Semi-detached £496,000 96 sales
  • Terraced £442,500 44 sales
  • Flat or maisonette £290,000 71 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 TW15

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

TW15 1238 postcodesTW15 2225 postcodesTW15 3194 postcodesTW15 92 postcodes
UK postcode format explained

Places in TW15

Towns and villages with postcodes in TW15, and how many each has here.

Ashford, Spelthorne postcodes,521Ashford Common postcodes,132Hounslow postcodes,4

Who covers TW15

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

  • Spelthorne651
  • Feltham and Heston6

Police force areas

  • Surrey651
  • Metropolitan Police6

Next to TW15

TW14 postcode district TW16 postcode district All TW districts Ashford, Spelthorne postcodes

"Next to" is by number: the districts before and after TW15 in the TW area.

Check a postcode

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