CM12 9 postcode sector in the CM12 district

CM12 9 is a sector of the CM12 district: every postcode that starts CM12 9. It has 226 postcodes in use, 2 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 CM12 9 sector, and which are new since 2020

Map of every postcode in the CM12 9 sector, by new since 2020 Of the 226 postcodes in the CM12 9 sector that ONS places, 4 are new since 2020 and 222 were in use before 2020. Places named: Billericay. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. CM12 9AB: before 2020CM12 9AD: before 2020CM12 9AH: before 2020CM12 9AJ: before 2020CM12 9AQ: before 2020CM12 9AS: before 2020CM12 9AX: before 2020CM12 9BA: before 2020CM12 9BE: before 2020CM12 9BG: before 2020CM12 9BQ: before 2020CM12 9BS: before 2020CM12 9BT: before 2020CM12 9BU: before 2020CM12 9BX: before 2020CM12 9BY: before 2020CM12 9DA: before 2020CM12 9DF: before 2020CM12 9DG: before 2020CM12 9DH: before 2020CM12 9DL: before 2020CM12 9DN: before 2020CM12 9DP: before 2020CM12 9DR: before 2020CM12 9DS: before 2020CM12 9DT: before 2020CM12 9DU: before 2020CM12 9DW: before 2020CM12 9DX: before 2020CM12 9DZ: before 2020CM12 9EA: before 2020CM12 9EB: before 2020CM12 9ED: before 2020CM12 9EE: before 2020CM12 9EF: before 2020CM12 9EG: before 2020CM12 9EH: before 2020CM12 9EL: before 2020CM12 9EQ: before 2020CM12 9ES: before 2020CM12 9ET: before 2020CM12 9EU: before 2020CM12 9EW: before 2020CM12 9EX: before 2020CM12 9EZ: before 2020CM12 9FL: before 2020CM12 9FN: before 2020CM12 9FP: before 2020CM12 9FQ: before 2020CM12 9FR: before 2020CM12 9FS: before 2020CM12 9FU: before 2020CM12 9GE: before 2020CM12 9GY: before 2020CM12 9HA: before 2020CM12 9HB: before 2020CM12 9HD: before 2020CM12 9HE: before 2020CM12 9HG: before 2020CM12 9HH: before 2020CM12 9HJ: before 2020CM12 9HL: before 2020CM12 9HP: before 2020CM12 9HQ: before 2020CM12 9HR: before 2020CM12 9HS: before 2020CM12 9HT: before 2020CM12 9HX: before 2020CM12 9HZ: before 2020CM12 9JA: before 2020CM12 9JB: before 2020CM12 9JD: before 2020CM12 9JE: before 2020CM12 9JF: before 2020CM12 9JG: before 2020CM12 9JH: before 2020CM12 9JJ: before 2020CM12 9JL: before 2020CM12 9JN: before 2020CM12 9JS: before 2020CM12 9JT: before 2020CM12 9JU: before 2020CM12 9JW: before 2020CM12 9JX: before 2020CM12 9JY: before 2020CM12 9JZ: before 2020CM12 9LA: before 2020CM12 9LB: before 2020CM12 9LD: before 2020CM12 9LE: before 2020CM12 9LF: before 2020CM12 9LG: before 2020CM12 9LH: before 2020CM12 9LJ: before 2020CM12 9LL: before 2020CM12 9LP: before 2020CM12 9LR: before 2020CM12 9LS: before 2020CM12 9LT: before 2020CM12 9LU: before 2020CM12 9LW: before 2020CM12 9LX: before 2020CM12 9LY: before 2020CM12 9NA: before 2020CM12 9NB: before 2020CM12 9ND: before 2020CM12 9NE: before 2020CM12 9NF: before 2020CM12 9NG: before 2020CM12 9NH: before 2020CM12 9NJ: before 2020CM12 9NL: before 2020CM12 9NN: before 2020CM12 9NP: before 2020CM12 9NQ: before 2020CM12 9NR: before 2020CM12 9NS: before 2020CM12 9NT: before 2020CM12 9NU: before 2020CM12 9NW: before 2020CM12 9NX: before 2020CM12 9NY: before 2020CM12 9NZ: before 2020CM12 9PA: before 2020CM12 9PB: before 2020CM12 9PD: before 2020CM12 9PE: before 2020CM12 9PG: before 2020CM12 9PJ: before 2020CM12 9PL: before 2020CM12 9PN: before 2020CM12 9PP: before 2020CM12 9PQ: before 2020CM12 9PR: before 2020CM12 9PS: before 2020CM12 9PT: before 2020CM12 9PU: before 2020CM12 9PW: before 2020CM12 9PX: before 2020CM12 9PZ: before 2020CM12 9QB: before 2020CM12 9QF: before 2020CM12 9QG: before 2020CM12 9QH: before 2020CM12 9QJ: before 2020CM12 9QL: before 2020CM12 9QP: before 2020CM12 9QQ: before 2020CM12 9QR: before 2020CM12 9QS: before 2020CM12 9QT: before 2020CM12 9QU: before 2020CM12 9QW: before 2020CM12 9QX: before 2020CM12 9QY: before 2020CM12 9QZ: before 2020CM12 9RA: before 2020CM12 9RB: before 2020CM12 9RD: before 2020CM12 9RE: before 2020CM12 9RF: before 2020CM12 9RG: before 2020CM12 9RH: before 2020CM12 9RJ: before 2020CM12 9RR: before 2020CM12 9RS: before 2020CM12 9RU: before 2020CM12 9RW: before 2020CM12 9SA: before 2020CM12 9SB: before 2020CM12 9SD: before 2020CM12 9SE: before 2020CM12 9SG: before 2020CM12 9SJ: before 2020CM12 9SL: before 2020CM12 9SN: before 2020CM12 9SP: before 2020CM12 9SR: before 2020CM12 9SS: before 2020CM12 9ST: before 2020CM12 9SY: before 2020CM12 9TA: before 2020CM12 9TB: before 2020CM12 9TD: before 2020CM12 9TE: before 2020CM12 9TF: before 2020CM12 9TG: before 2020CM12 9TH: before 2020CM12 9TJ: before 2020CM12 9TL: before 2020CM12 9TN: before 2020CM12 9TP: before 2020CM12 9TR: before 2020CM12 9TS: before 2020CM12 9TT: before 2020CM12 9TY: before 2020CM12 9TZ: before 2020CM12 9UA: before 2020CM12 9UG: before 2020CM12 9UH: before 2020CM12 9UJ: before 2020CM12 9UL: before 2020CM12 9UN: before 2020CM12 9UP: before 2020CM12 9UR: before 2020CM12 9UT: before 2020CM12 9UX: before 2020CM12 9UZ: before 2020CM12 9XA: before 2020CM12 9XB: before 2020CM12 9XE: before 2020CM12 9XG: before 2020CM12 9XH: before 2020CM12 9XY: before 2020CM12 9YB: before 2020CM12 9YE: before 2020CM12 9YF: before 2020CM12 9FX: new since 2020CM12 9FY: new since 2020CM12 9GQ: new since 2020CM12 9WF: new since 2020 Billericay Map of every postcode in the CM12 9 sector, by new since 2020 Of the 226 postcodes in the CM12 9 sector that ONS places, 4 are new since 2020 and 222 were in use before 2020. Places named: Billericay. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Billericay
  • New since 2020: 4
  • In use before 2020: 222

Of the 226 postcodes in the CM12 9 sector that ONS places, 4 are new since 2020 and 222 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 4 newest postcodes

CM12 9GQFebruary 2026CM12 9WFMay 2025CM12 9FYFebruary 2025CM12 9FXSeptember 2020

What do homes sell for in CM12 9?

Homes in CM12 9 sold for a typical £565,000 in the 12 months to August 2026, across 118 sales, up 8.7% on the 12 months before, HM Land Registry's figures show.

£565,000 typical price, the 12 months to August 2026
£520,000 12 months to August 2025
▲ up 8.7% on the 12 months before
  • Detached £739,250 52 sales
  • Semi-detached £497,000 39 sales
  • Terraced £450,000 9 sales
  • Flat or maisonette £282,500 18 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 CM12 9. 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 CM12 9

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.

CM12 9AACM12 9ABCM12 9ADCM12 9AHCM12 9AJCM12 9APCM12 9AQCM12 9ASCM12 9AXCM12 9BACM12 9BECM12 9BGCM12 9BQCM12 9BSCM12 9BTCM12 9BUCM12 9BXCM12 9BYCM12 9DACM12 9DFCM12 9DGCM12 9DHCM12 9DLCM12 9DNCM12 9DPCM12 9DRCM12 9DSCM12 9DTCM12 9DUCM12 9DWCM12 9DXCM12 9DYCM12 9DZCM12 9EACM12 9EBCM12 9EDCM12 9EECM12 9EFCM12 9EGCM12 9EHCM12 9ELCM12 9EQCM12 9ESCM12 9ETCM12 9EUCM12 9EWCM12 9EXCM12 9EZCM12 9FLCM12 9FNCM12 9FPCM12 9FQCM12 9FRCM12 9FSCM12 9FUCM12 9FXCM12 9FYCM12 9GECM12 9GFCM12 9GQCM12 9GYCM12 9HACM12 9HBCM12 9HDCM12 9HECM12 9HGCM12 9HHCM12 9HJCM12 9HLCM12 9HPCM12 9HQCM12 9HRCM12 9HSCM12 9HTCM12 9HXCM12 9HZCM12 9JACM12 9JBCM12 9JDCM12 9JECM12 9JFCM12 9JGCM12 9JHCM12 9JJCM12 9JLCM12 9JNCM12 9JSCM12 9JTCM12 9JUCM12 9JWCM12 9JXCM12 9JYCM12 9JZCM12 9LACM12 9LBCM12 9LDCM12 9LECM12 9LFCM12 9LGCM12 9LHCM12 9LJCM12 9LLCM12 9LPCM12 9LRCM12 9LSCM12 9LTCM12 9LUCM12 9LWCM12 9LXCM12 9LYCM12 9NACM12 9NBCM12 9NDCM12 9NECM12 9NFCM12 9NGCM12 9NHCM12 9NJCM12 9NLCM12 9NNCM12 9NPCM12 9NQCM12 9NRCM12 9NSCM12 9NTCM12 9NUCM12 9NWCM12 9NXCM12 9NYCM12 9NZCM12 9PACM12 9PBCM12 9PDCM12 9PECM12 9PGCM12 9PJCM12 9PLCM12 9PNCM12 9PPCM12 9PQCM12 9PRCM12 9PSCM12 9PTCM12 9PUCM12 9PWCM12 9PXCM12 9PZCM12 9QBCM12 9QFCM12 9QGCM12 9QHCM12 9QJCM12 9QLCM12 9QPCM12 9QQCM12 9QRCM12 9QSCM12 9QTCM12 9QUCM12 9QWCM12 9QXCM12 9QYCM12 9QZCM12 9RACM12 9RBCM12 9RDCM12 9RECM12 9RFCM12 9RGCM12 9RHCM12 9RJCM12 9RNCM12 9RRCM12 9RSCM12 9RUCM12 9RWCM12 9SACM12 9SBCM12 9SDCM12 9SECM12 9SGCM12 9SJCM12 9SLCM12 9SNCM12 9SPCM12 9SRCM12 9SSCM12 9STCM12 9SYCM12 9TACM12 9TBCM12 9TDCM12 9TECM12 9TFCM12 9TGCM12 9THCM12 9TJCM12 9TLCM12 9TNCM12 9TPCM12 9TRCM12 9TSCM12 9TTCM12 9TYCM12 9TZCM12 9UACM12 9UGCM12 9UHCM12 9UJCM12 9ULCM12 9UNCM12 9UPCM12 9URCM12 9UTCM12 9UXCM12 9UZCM12 9WFCM12 9XACM12 9XBCM12 9XECM12 9XGCM12 9XHCM12 9XYCM12 9YBCM12 9YECM12 9YF

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.

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