CM6 1 postcode sector in the CM6 district

CM6 1 is a sector of the CM6 district: every postcode that starts CM6 1. It has 378 postcodes in use, 3 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 CM6 1 sector, by flood risk

Map of every postcode in the CM6 1 sector, by flood risk Of the 378 postcodes in the CM6 1 sector that ONS places, 8 have a home or business at high risk, 4 are at medium risk at worst, 10 are at low risk at worst, 1 are at very low risk only and 355 are not on the Environment Agency's at-risk list. Places named: Great Dunmow, Great Notley, Broomfield, Rayne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A120A12A131 CM6 1AB: not on the flood risk listCM6 1AF: not on the flood risk listCM6 1AG: not on the flood risk listCM6 1AJ: not on the flood risk listCM6 1AN: not on the flood risk listCM6 1AR: not on the flood risk listCM6 1AT: not on the flood risk listCM6 1AZ: not on the flood risk listCM6 1BA: not on the flood risk listCM6 1BD: not on the flood risk listCM6 1BJ: not on the flood risk listCM6 1BP: not on the flood risk listCM6 1BS: not on the flood risk listCM6 1BX: not on the flood risk listCM6 1BY: not on the flood risk listCM6 1DA: not on the flood risk listCM6 1DB: not on the flood risk listCM6 1DD: not on the flood risk listCM6 1DE: not on the flood risk listCM6 1DF: not on the flood risk listCM6 1DH: not on the flood risk listCM6 1DL: not on the flood risk listCM6 1DN: not on the flood risk listCM6 1DP: not on the flood risk listCM6 1DX: not on the flood risk listCM6 1EA: not on the flood risk listCM6 1EB: not on the flood risk listCM6 1EG: not on the flood risk listCM6 1EJ: not on the flood risk listCM6 1EN: not on the flood risk listCM6 1ES: not on the flood risk listCM6 1EX: not on the flood risk listCM6 1EZ: not on the flood risk listCM6 1FA: not on the flood risk listCM6 1FB: not on the flood risk listCM6 1FE: not on the flood risk listCM6 1FF: not on the flood risk listCM6 1FH: not on the flood risk listCM6 1FN: not on the flood risk listCM6 1FT: not on the flood risk listCM6 1FU: not on the flood risk listCM6 1FX: not on the flood risk listCM6 1FZ: not on the flood risk listCM6 1GE: not on the flood risk listCM6 1GF: not on the flood risk listCM6 1GG: not on the flood risk listCM6 1GJ: not on the flood risk listCM6 1GT: not on the flood risk listCM6 1GU: not on the flood risk listCM6 1GW: not on the flood risk listCM6 1GY: not on the flood risk listCM6 1HB: not on the flood risk listCM6 1HE: not on the flood risk listCM6 1HG: not on the flood risk listCM6 1HJ: not on the flood risk listCM6 1HL: not on the flood risk listCM6 1HZ: not on the flood risk listCM6 1JA: not on the flood risk listCM6 1JB: not on the flood risk listCM6 1JD: not on the flood risk listCM6 1JE: not on the flood risk listCM6 1JF: not on the flood risk listCM6 1JG: not on the flood risk listCM6 1JH: not on the flood risk listCM6 1JJ: not on the flood risk listCM6 1JL: not on the flood risk listCM6 1JN: not on the flood risk listCM6 1JP: not on the flood risk listCM6 1JQ: not on the flood risk listCM6 1JR: not on the flood risk listCM6 1JS: not on the flood risk listCM6 1JX: not on the flood risk listCM6 1JZ: not on the flood risk listCM6 1LA: not on the flood risk listCM6 1LB: not on the flood risk listCM6 1LD: not on the flood risk listCM6 1LE: not on the flood risk listCM6 1LF: not on the flood risk listCM6 1LG: not on the flood risk listCM6 1LH: not on the flood risk listCM6 1LS: not on the flood risk listCM6 1LT: not on the flood risk listCM6 1LU: not on the flood risk listCM6 1LZ: not on the flood risk listCM6 1NA: not on the flood risk listCM6 1NB: not on the flood risk listCM6 1ND: not on the flood risk listCM6 1NE: not on the flood risk listCM6 1NF: not on the flood risk listCM6 1NG: not on the flood risk listCM6 1NH: not on the flood risk listCM6 1NL: not on the flood risk listCM6 1NP: not on the flood risk listCM6 1NQ: not on the flood risk listCM6 1NS: not on the flood risk listCM6 1NT: not on the flood risk listCM6 1NU: not on the flood risk listCM6 1NW: not on the flood risk listCM6 1NX: not on the flood risk listCM6 1PA: not on the flood risk listCM6 1PB: not on the flood risk listCM6 1PD: not on the flood risk listCM6 1PE: not on the flood risk listCM6 1PF: not on the flood risk listCM6 1PG: not on the flood risk listCM6 1PH: not on the flood risk listCM6 1PP: not on the flood risk listCM6 1PQ: not on the flood risk listCM6 1PR: not on the flood risk listCM6 1PS: not on the flood risk listCM6 1PT: not on the flood risk listCM6 1PZ: not on the flood risk listCM6 1QA: not on the flood risk listCM6 1QD: not on the flood risk listCM6 1QG: not on the flood risk listCM6 1QH: not on the flood risk listCM6 1QJ: not on the flood risk listCM6 1QL: not on the flood risk listCM6 1QN: not on the flood risk listCM6 1QP: not on the flood risk listCM6 1QQ: not on the flood risk listCM6 1QR: not on the flood risk listCM6 1QT: not on the flood risk listCM6 1QW: not on the flood risk listCM6 1QX: not on the flood risk listCM6 1RB: not on the flood risk listCM6 1RF: not on the flood risk listCM6 1RG: not on the flood risk listCM6 1RH: not on the flood risk listCM6 1RJ: not on the flood risk listCM6 1RL: not on the flood risk listCM6 1RN: not on the flood risk listCM6 1RP: not on the flood risk listCM6 1RQ: not on the flood risk listCM6 1RR: not on the flood risk listCM6 1RS: not on the flood risk listCM6 1RT: not on the flood risk listCM6 1RU: not on the flood risk listCM6 1RW: not on the flood risk listCM6 1RX: not on the flood risk listCM6 1RZ: not on the flood risk listCM6 1SA: not on the flood risk listCM6 1SE: not on the flood risk listCM6 1SH: not on the flood risk listCM6 1SJ: not on the flood risk listCM6 1SL: not on the flood risk listCM6 1SP: not on the flood risk listCM6 1SS: not on the flood risk listCM6 1ST: not on the flood risk listCM6 1SW: not on the flood risk listCM6 1TB: not on the flood risk listCM6 1TD: not on the flood risk listCM6 1TE: not on the flood risk listCM6 1TF: not on the flood risk listCM6 1TG: not on the flood risk listCM6 1TL: not on the flood risk listCM6 1TN: not on the flood risk listCM6 1TQ: not on the flood risk listCM6 1TU: not on the flood risk listCM6 1TW: not on the flood risk listCM6 1UE: not on the flood risk listCM6 1UG: not on the flood risk listCM6 1UQ: not on the flood risk listCM6 1UY: not on the flood risk listCM6 1WF: not on the flood risk listCM6 1WG: not on the flood risk listCM6 1WS: not on the flood risk listCM6 1WT: not on the flood risk listCM6 1WU: not on the flood risk listCM6 1WW: not on the flood risk listCM6 1WY: not on the flood risk listCM6 1XQ: not on the flood risk listCM6 1XZ: not on the flood risk listCM6 1YD: not on the flood risk listCM6 1YS: not on the flood risk listCM6 1YY: not on the flood risk listCM6 1ZT: not on the flood risk listCM6 1JU: very low flood risk onlyCM6 1HD: low flood risk at worstCM6 1HW: low flood risk at worstCM6 1LP: low flood risk at worstCM6 1LW: low flood risk at worstCM6 1QS: low flood risk at worstCM6 1RE: low flood risk at worstCM6 1SG: low flood risk at worstCM6 1SU: low flood risk at worstCM6 1XN: low flood risk at worstCM6 1HU: medium flood risk at worstCM6 1JW: medium flood risk at worstCM6 1SN: medium flood risk at worstCM6 1SR: medium flood risk at worstCM6 1EL: high flood riskCM6 1XA: high flood riskCM6 1JT: high flood riskCM6 1LL: high flood riskCM6 1QY: high flood riskCM6 1RD: high flood riskCM6 1RY: high flood riskCM6 1XG: high flood risk Great DunmowGreat NotleyBroomfieldRayne Map of every postcode in the CM6 1 sector, by flood risk Of the 378 postcodes in the CM6 1 sector that ONS places, 8 have a home or business at high risk, 4 are at medium risk at worst, 10 are at low risk at worst, 1 are at very low risk only and 355 are not on the Environment Agency's at-risk list. Places named: Braintree, Great Dunmow, Great Notley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. BraintreeGreat DunmowGreat Notley
  • A home or business at high risk: 8
  • At medium risk at worst: 4
  • At low risk at worst: 10
  • At very low risk only: 1
  • Not on the at-risk list: 355

Of the 378 postcodes in the CM6 1 sector that ONS places, 8 have a home or business at high risk, 4 are at medium risk at worst, 10 are at low risk at worst, 1 are at very low risk only and 355 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.

CM6 1QY5 at high riskCM6 1JT3 at high riskCM6 1RD2 at high riskCM6 1LL1 at high riskCM6 1RY1 at high riskCM6 1EL1 at high riskCM6 1XA1 at high riskCM6 1XG1 at high risk

What do homes sell for in CM6 1?

Homes in CM6 1 sold for a typical £425,000 in the 12 months to August 2026, across 161 sales, up 3.7% on the 12 months before, HM Land Registry's figures show.

£425,000 typical price, the 12 months to August 2026
£410,000 12 months to August 2025
▲ up 3.7% on the 12 months before
  • Detached £575,000 69 sales
  • Semi-detached £418,500 31 sales
  • Terraced £345,000 37 sales
  • Flat or maisonette £192,500 24 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 CM6 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 CM6 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.

CM6 1ABCM6 1ADCM6 1AECM6 1AFCM6 1AGCM6 1AHCM6 1AJCM6 1ANCM6 1APCM6 1AQCM6 1ARCM6 1ASCM6 1ATCM6 1AWCM6 1AXCM6 1AYCM6 1AZCM6 1BACM6 1BBCM6 1BDCM6 1BECM6 1BGCM6 1BHCM6 1BJCM6 1BLCM6 1BNCM6 1BPCM6 1BQCM6 1BSCM6 1BTCM6 1BUCM6 1BWCM6 1BXCM6 1BYCM6 1BZCM6 1DACM6 1DBCM6 1DDCM6 1DECM6 1DFCM6 1DGCM6 1DHCM6 1DJCM6 1DLCM6 1DNCM6 1DPCM6 1DQCM6 1DRCM6 1DSCM6 1DTCM6 1DUCM6 1DWCM6 1DXCM6 1DYCM6 1DZCM6 1EACM6 1EBCM6 1EDCM6 1EECM6 1EFCM6 1EGCM6 1EHCM6 1EJCM6 1ELCM6 1ENCM6 1EPCM6 1EQCM6 1ERCM6 1ESCM6 1ETCM6 1EUCM6 1EWCM6 1EXCM6 1EYCM6 1EZCM6 1FACM6 1FBCM6 1FDCM6 1FECM6 1FFCM6 1FGCM6 1FHCM6 1FJCM6 1FLCM6 1FNCM6 1FPCM6 1FQCM6 1FRCM6 1FSCM6 1FTCM6 1FUCM6 1FWCM6 1FXCM6 1FYCM6 1FZCM6 1GACM6 1GBCM6 1GDCM6 1GECM6 1GFCM6 1GGCM6 1GHCM6 1GJCM6 1GLCM6 1GNCM6 1GPCM6 1GQCM6 1GRCM6 1GSCM6 1GTCM6 1GUCM6 1GWCM6 1GXCM6 1GYCM6 1GZCM6 1HACM6 1HBCM6 1HDCM6 1HECM6 1HFCM6 1HGCM6 1HHCM6 1HJCM6 1HLCM6 1HNCM6 1HPCM6 1HQCM6 1HRCM6 1HSCM6 1HTCM6 1HUCM6 1HWCM6 1HXCM6 1HZCM6 1JACM6 1JBCM6 1JDCM6 1JECM6 1JFCM6 1JGCM6 1JHCM6 1JJCM6 1JLCM6 1JNCM6 1JPCM6 1JQCM6 1JRCM6 1JSCM6 1JTCM6 1JUCM6 1JWCM6 1JXCM6 1JYCM6 1JZCM6 1LACM6 1LBCM6 1LDCM6 1LECM6 1LFCM6 1LGCM6 1LHCM6 1LJCM6 1LLCM6 1LNCM6 1LPCM6 1LQCM6 1LRCM6 1LSCM6 1LTCM6 1LUCM6 1LWCM6 1LXCM6 1LYCM6 1LZCM6 1NACM6 1NBCM6 1NDCM6 1NECM6 1NFCM6 1NGCM6 1NHCM6 1NJCM6 1NLCM6 1NNCM6 1NPCM6 1NQCM6 1NRCM6 1NSCM6 1NTCM6 1NUCM6 1NWCM6 1NXCM6 1NYCM6 1NZCM6 1PACM6 1PBCM6 1PDCM6 1PECM6 1PFCM6 1PGCM6 1PHCM6 1PJCM6 1PLCM6 1PNCM6 1PPCM6 1PQCM6 1PRCM6 1PSCM6 1PTCM6 1PUCM6 1PWCM6 1PXCM6 1PYCM6 1PZCM6 1QACM6 1QBCM6 1QDCM6 1QECM6 1QFCM6 1QGCM6 1QHCM6 1QJCM6 1QLCM6 1QNCM6 1QPCM6 1QQCM6 1QRCM6 1QSCM6 1QTCM6 1QUCM6 1QWCM6 1QXCM6 1QYCM6 1QZCM6 1RACM6 1RBCM6 1RDCM6 1RECM6 1RFCM6 1RGCM6 1RHCM6 1RJCM6 1RLCM6 1RNCM6 1RPCM6 1RQCM6 1RRCM6 1RSCM6 1RTCM6 1RUCM6 1RWCM6 1RXCM6 1RYCM6 1RZCM6 1SACM6 1SBCM6 1SDCM6 1SECM6 1SFCM6 1SGCM6 1SHCM6 1SJCM6 1SLCM6 1SNCM6 1SPCM6 1SQCM6 1SRCM6 1SSCM6 1STCM6 1SUCM6 1SWCM6 1SXCM6 1SYCM6 1SZCM6 1TACM6 1TBCM6 1TDCM6 1TECM6 1TFCM6 1TGCM6 1TJCM6 1TLCM6 1TNCM6 1TPCM6 1TQCM6 1TRCM6 1TSCM6 1TTCM6 1TUCM6 1TWCM6 1TXCM6 1TYCM6 1TZCM6 1UACM6 1UBCM6 1UDCM6 1UECM6 1UFCM6 1UGCM6 1UHCM6 1UJCM6 1ULCM6 1UNCM6 1UPCM6 1UQCM6 1URCM6 1USCM6 1UTCM6 1UUCM6 1UWCM6 1UXCM6 1UYCM6 1WBCM6 1WDCM6 1WECM6 1WFCM6 1WGCM6 1WHCM6 1WJCM6 1WLCM6 1WNCM6 1WPCM6 1WSCM6 1WTCM6 1WUCM6 1WWCM6 1WXCM6 1WYCM6 1WZCM6 1XACM6 1XBCM6 1XDCM6 1XECM6 1XFCM6 1XGCM6 1XHCM6 1XJCM6 1XLCM6 1XNCM6 1XQCM6 1XRCM6 1XSCM6 1XTCM6 1XUCM6 1XWCM6 1XYCM6 1XZCM6 1YBCM6 1YDCM6 1YECM6 1YFCM6 1YGCM6 1YHCM6 1YJCM6 1YLCM6 1YNCM6 1YQCM6 1YSCM6 1YWCM6 1YXCM6 1YYCM6 1YZCM6 1ZACM6 1ZBCM6 1ZDCM6 1ZECM6 1ZFCM6 1ZGCM6 1ZHCM6 1ZJCM6 1ZLCM6 1ZNCM6 1ZQCM6 1ZRCM6 1ZTCM6 1ZUCM6 1ZWCM6 1ZY

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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