KT12 1 postcode sector in the KT12 district

KT12 1 is a sector of the KT12 district: every postcode that starts KT12 1. It has 193 postcodes in use, 8 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the KT12 1 sector, by flood risk

Map of every postcode in the KT12 1 sector, by flood risk Of the 193 postcodes in the KT12 1 sector that ONS places, 2 have a home or business at high risk and 191 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Walton-on-Thames. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A244 KT12 1AA: not on the flood risk listKT12 1AB: not on the flood risk listKT12 1AD: not on the flood risk listKT12 1AE: not on the flood risk listKT12 1AF: not on the flood risk listKT12 1AG: not on the flood risk listKT12 1AH: not on the flood risk listKT12 1AJ: not on the flood risk listKT12 1AL: not on the flood risk listKT12 1AN: not on the flood risk listKT12 1AP: not on the flood risk listKT12 1AR: not on the flood risk listKT12 1AS: not on the flood risk listKT12 1AT: not on the flood risk listKT12 1AU: not on the flood risk listKT12 1AW: not on the flood risk listKT12 1AX: not on the flood risk listKT12 1AY: not on the flood risk listKT12 1BA: not on the flood risk listKT12 1BE: not on the flood risk listKT12 1BH: not on the flood risk listKT12 1BJ: not on the flood risk listKT12 1BL: not on the flood risk listKT12 1BN: not on the flood risk listKT12 1BT: not on the flood risk listKT12 1BU: not on the flood risk listKT12 1BY: not on the flood risk listKT12 1BZ: not on the flood risk listKT12 1DA: not on the flood risk listKT12 1DG: not on the flood risk listKT12 1DH: not on the flood risk listKT12 1DJ: not on the flood risk listKT12 1DN: not on the flood risk listKT12 1DP: not on the flood risk listKT12 1DT: not on the flood risk listKT12 1DU: not on the flood risk listKT12 1DW: not on the flood risk listKT12 1DX: not on the flood risk listKT12 1DY: not on the flood risk listKT12 1DZ: not on the flood risk listKT12 1EE: not on the flood risk listKT12 1EF: not on the flood risk listKT12 1EG: not on the flood risk listKT12 1EH: not on the flood risk listKT12 1EJ: not on the flood risk listKT12 1EL: not on the flood risk listKT12 1EN: not on the flood risk listKT12 1EP: not on the flood risk listKT12 1EQ: not on the flood risk listKT12 1ER: not on the flood risk listKT12 1ES: not on the flood risk listKT12 1ET: not on the flood risk listKT12 1EU: not on the flood risk listKT12 1EW: not on the flood risk listKT12 1EX: not on the flood risk listKT12 1EY: not on the flood risk listKT12 1FH: not on the flood risk listKT12 1FJ: not on the flood risk listKT12 1FL: not on the flood risk listKT12 1FN: not on the flood risk listKT12 1FP: not on the flood risk listKT12 1FQ: not on the flood risk listKT12 1FR: not on the flood risk listKT12 1FS: not on the flood risk listKT12 1FT: not on the flood risk listKT12 1FU: not on the flood risk listKT12 1FW: not on the flood risk listKT12 1FX: not on the flood risk listKT12 1FY: not on the flood risk listKT12 1GA: not on the flood risk listKT12 1GH: not on the flood risk listKT12 1GJ: not on the flood risk listKT12 1GL: not on the flood risk listKT12 1GN: not on the flood risk listKT12 1GP: not on the flood risk listKT12 1GQ: not on the flood risk listKT12 1GR: not on the flood risk listKT12 1GS: not on the flood risk listKT12 1GT: not on the flood risk listKT12 1GU: not on the flood risk listKT12 1GW: not on the flood risk listKT12 1GY: not on the flood risk listKT12 1GZ: not on the flood risk listKT12 1HA: not on the flood risk listKT12 1HB: not on the flood risk listKT12 1HD: not on the flood risk listKT12 1HE: not on the flood risk listKT12 1HG: not on the flood risk listKT12 1HH: not on the flood risk listKT12 1HL: not on the flood risk listKT12 1HN: not on the flood risk listKT12 1HP: not on the flood risk listKT12 1HQ: not on the flood risk listKT12 1HR: not on the flood risk listKT12 1HS: not on the flood risk listKT12 1HT: not on the flood risk listKT12 1HU: not on the flood risk listKT12 1HW: not on the flood risk listKT12 1HX: not on the flood risk listKT12 1JA: not on the flood risk listKT12 1JB: not on the flood risk listKT12 1JD: not on the flood risk listKT12 1JE: not on the flood risk listKT12 1JF: not on the flood risk listKT12 1JH: not on the flood risk listKT12 1JJ: not on the flood risk listKT12 1JL: not on the flood risk listKT12 1JN: not on the flood risk listKT12 1JP: not on the flood risk listKT12 1JQ: not on the flood risk listKT12 1JR: not on the flood risk listKT12 1JS: not on the flood risk listKT12 1JT: not on the flood risk listKT12 1JU: not on the flood risk listKT12 1JW: not on the flood risk listKT12 1JX: not on the flood risk listKT12 1JY: not on the flood risk listKT12 1JZ: not on the flood risk listKT12 1LA: not on the flood risk listKT12 1LB: not on the flood risk listKT12 1LE: not on the flood risk listKT12 1LF: not on the flood risk listKT12 1LG: not on the flood risk listKT12 1LH: not on the flood risk listKT12 1LJ: not on the flood risk listKT12 1LL: not on the flood risk listKT12 1LN: not on the flood risk listKT12 1LP: not on the flood risk listKT12 1LQ: not on the flood risk listKT12 1LR: not on the flood risk listKT12 1LT: not on the flood risk listKT12 1LU: not on the flood risk listKT12 1LW: not on the flood risk listKT12 1LX: not on the flood risk listKT12 1LZ: not on the flood risk listKT12 1NA: not on the flood risk listKT12 1NB: not on the flood risk listKT12 1ND: not on the flood risk listKT12 1NE: not on the flood risk listKT12 1NF: not on the flood risk listKT12 1NG: not on the flood risk listKT12 1NH: not on the flood risk listKT12 1NJ: not on the flood risk listKT12 1NL: not on the flood risk listKT12 1NN: not on the flood risk listKT12 1NQ: not on the flood risk listKT12 1NR: not on the flood risk listKT12 1NU: not on the flood risk listKT12 1NW: not on the flood risk listKT12 1NX: not on the flood risk listKT12 1NY: not on the flood risk listKT12 1NZ: not on the flood risk listKT12 1PA: not on the flood risk listKT12 1PB: not on the flood risk listKT12 1PD: not on the flood risk listKT12 1PE: not on the flood risk listKT12 1PG: not on the flood risk listKT12 1PH: not on the flood risk listKT12 1PJ: not on the flood risk listKT12 1PL: not on the flood risk listKT12 1PN: not on the flood risk listKT12 1PR: not on the flood risk listKT12 1PT: not on the flood risk listKT12 1PU: not on the flood risk listKT12 1PW: not on the flood risk listKT12 1PX: not on the flood risk listKT12 1QB: not on the flood risk listKT12 1QD: not on the flood risk listKT12 1QZ: not on the flood risk listKT12 1RB: not on the flood risk listKT12 1RD: not on the flood risk listKT12 1RE: not on the flood risk listKT12 1RF: not on the flood risk listKT12 1RG: not on the flood risk listKT12 1RH: not on the flood risk listKT12 1RJ: not on the flood risk listKT12 1RN: not on the flood risk listKT12 1RR: not on the flood risk listKT12 1RW: not on the flood risk listKT12 1RZ: not on the flood risk listKT12 1SG: not on the flood risk listKT12 1UX: not on the flood risk listKT12 1QW: high flood risk Walton-on-Thames Map of every postcode in the KT12 1 sector, by flood risk Of the 193 postcodes in the KT12 1 sector that ONS places, 2 have a home or business at high risk and 191 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Walton-on-Thames. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Walton-on-Thames
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 191

Of the 193 postcodes in the KT12 1 sector that ONS places, 2 have a home or business at high risk and 191 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.

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.

KT12 1QP16 at high riskKT12 1QW4 at high risk

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

KT12 1QP

What do homes sell for in KT12 1?

Homes in KT12 1 sold for a typical £402,500 in the 12 months to August 2026, across 64 sales, up 15% on the 12 months before, HM Land Registry's figures show.

£402,500 typical price, the 12 months to August 2026
£350,000 12 months to August 2025
▲ up 15% on the 12 months before
  • Detached £1,650,000 13 sales
  • Semi-detached 3 sales, too few to price
  • Terraced £662,500 6 sales
  • Flat or maisonette £312,500 42 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start KT12 1. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

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 KT12 1

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

KT12 1AAKT12 1ABKT12 1ADKT12 1AEKT12 1AFKT12 1AGKT12 1AHKT12 1AJKT12 1ALKT12 1ANKT12 1APKT12 1ARKT12 1ASKT12 1ATKT12 1AUKT12 1AWKT12 1AXKT12 1AYKT12 1AZKT12 1BAKT12 1BBKT12 1BEKT12 1BGKT12 1BHKT12 1BJKT12 1BLKT12 1BNKT12 1BTKT12 1BUKT12 1BYKT12 1BZKT12 1DAKT12 1DGKT12 1DHKT12 1DJKT12 1DNKT12 1DPKT12 1DTKT12 1DUKT12 1DWKT12 1DXKT12 1DYKT12 1DZKT12 1EEKT12 1EFKT12 1EGKT12 1EHKT12 1EJKT12 1ELKT12 1ENKT12 1EPKT12 1EQKT12 1ERKT12 1ESKT12 1ETKT12 1EUKT12 1EWKT12 1EXKT12 1EYKT12 1FHKT12 1FJKT12 1FLKT12 1FNKT12 1FPKT12 1FQKT12 1FRKT12 1FSKT12 1FTKT12 1FUKT12 1FWKT12 1FXKT12 1FYKT12 1GAKT12 1GBKT12 1GDKT12 1GEKT12 1GFKT12 1GGKT12 1GHKT12 1GJKT12 1GLKT12 1GNKT12 1GPKT12 1GQKT12 1GRKT12 1GSKT12 1GTKT12 1GUKT12 1GWKT12 1GYKT12 1GZKT12 1HAKT12 1HBKT12 1HDKT12 1HEKT12 1HGKT12 1HHKT12 1HLKT12 1HNKT12 1HPKT12 1HQKT12 1HRKT12 1HSKT12 1HTKT12 1HUKT12 1HWKT12 1HXKT12 1HYKT12 1JAKT12 1JBKT12 1JDKT12 1JEKT12 1JFKT12 1JHKT12 1JJKT12 1JLKT12 1JNKT12 1JPKT12 1JQKT12 1JRKT12 1JSKT12 1JTKT12 1JUKT12 1JWKT12 1JXKT12 1JYKT12 1JZKT12 1LAKT12 1LBKT12 1LEKT12 1LFKT12 1LGKT12 1LHKT12 1LJKT12 1LLKT12 1LNKT12 1LPKT12 1LQKT12 1LRKT12 1LTKT12 1LUKT12 1LWKT12 1LXKT12 1LZKT12 1NAKT12 1NBKT12 1NDKT12 1NEKT12 1NFKT12 1NGKT12 1NHKT12 1NJKT12 1NLKT12 1NNKT12 1NQKT12 1NRKT12 1NUKT12 1NWKT12 1NXKT12 1NYKT12 1NZKT12 1PAKT12 1PBKT12 1PDKT12 1PEKT12 1PGKT12 1PHKT12 1PJKT12 1PLKT12 1PNKT12 1PRKT12 1PTKT12 1PUKT12 1PWKT12 1PXKT12 1QBKT12 1QDKT12 1QPKT12 1QWKT12 1QZKT12 1RBKT12 1RDKT12 1REKT12 1RFKT12 1RGKT12 1RHKT12 1RJKT12 1RNKT12 1RRKT12 1RWKT12 1RZKT12 1SGKT12 1UX

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

Check a postcode

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