CM13 3 postcode sector in the CM13 district

CM13 3 is a sector of the CM13 district: every postcode that starts CM13 3. It has 238 postcodes in use, 12 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 CM13 3 sector, by flood risk

Map of every postcode in the CM13 3 sector, by flood risk Of the 238 postcodes in the CM13 3 sector that ONS places, 6 have a home or business at high risk, 1 are at low risk at worst and 231 are not on the Environment Agency's at-risk list. Places named: Herongate, Ingrave & West Horndon, Warley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A1023M25A12 CM13 3AA: not on the flood risk listCM13 3AB: not on the flood risk listCM13 3AD: not on the flood risk listCM13 3AE: not on the flood risk listCM13 3AG: not on the flood risk listCM13 3AH: not on the flood risk listCM13 3AJ: not on the flood risk listCM13 3AP: not on the flood risk listCM13 3AQ: not on the flood risk listCM13 3AR: not on the flood risk listCM13 3AT: not on the flood risk listCM13 3AU: not on the flood risk listCM13 3AX: not on the flood risk listCM13 3AY: not on the flood risk listCM13 3BA: not on the flood risk listCM13 3BB: not on the flood risk listCM13 3BD: not on the flood risk listCM13 3BE: not on the flood risk listCM13 3BG: not on the flood risk listCM13 3BH: not on the flood risk listCM13 3BJ: not on the flood risk listCM13 3BL: not on the flood risk listCM13 3BN: not on the flood risk listCM13 3BU: not on the flood risk listCM13 3BY: not on the flood risk listCM13 3BZ: not on the flood risk listCM13 3DB: not on the flood risk listCM13 3DD: not on the flood risk listCM13 3DG: not on the flood risk listCM13 3DJ: not on the flood risk listCM13 3DP: not on the flood risk listCM13 3DQ: not on the flood risk listCM13 3DR: not on the flood risk listCM13 3DS: not on the flood risk listCM13 3DT: not on the flood risk listCM13 3DX: not on the flood risk listCM13 3DZ: not on the flood risk listCM13 3EA: not on the flood risk listCM13 3EB: not on the flood risk listCM13 3ED: not on the flood risk listCM13 3EE: not on the flood risk listCM13 3EG: not on the flood risk listCM13 3EH: not on the flood risk listCM13 3EL: not on the flood risk listCM13 3EP: not on the flood risk listCM13 3EQ: not on the flood risk listCM13 3ES: not on the flood risk listCM13 3EU: not on the flood risk listCM13 3EX: not on the flood risk listCM13 3EZ: not on the flood risk listCM13 3FA: not on the flood risk listCM13 3FB: not on the flood risk listCM13 3FD: not on the flood risk listCM13 3FE: not on the flood risk listCM13 3FF: not on the flood risk listCM13 3FG: not on the flood risk listCM13 3FH: not on the flood risk listCM13 3FJ: not on the flood risk listCM13 3FN: not on the flood risk listCM13 3FP: not on the flood risk listCM13 3FU: not on the flood risk listCM13 3FX: not on the flood risk listCM13 3FY: not on the flood risk listCM13 3GE: not on the flood risk listCM13 3GF: not on the flood risk listCM13 3GQ: not on the flood risk listCM13 3GU: not on the flood risk listCM13 3GW: not on the flood risk listCM13 3HA: not on the flood risk listCM13 3HD: not on the flood risk listCM13 3HG: not on the flood risk listCM13 3HH: not on the flood risk listCM13 3HJ: not on the flood risk listCM13 3HR: not on the flood risk listCM13 3HS: not on the flood risk listCM13 3HT: not on the flood risk listCM13 3HU: not on the flood risk listCM13 3HW: not on the flood risk listCM13 3HX: not on the flood risk listCM13 3HZ: not on the flood risk listCM13 3JA: not on the flood risk listCM13 3JB: not on the flood risk listCM13 3JD: not on the flood risk listCM13 3JE: not on the flood risk listCM13 3JH: not on the flood risk listCM13 3JJ: not on the flood risk listCM13 3JL: not on the flood risk listCM13 3JN: not on the flood risk listCM13 3JP: not on the flood risk listCM13 3JR: not on the flood risk listCM13 3JS: not on the flood risk listCM13 3JU: not on the flood risk listCM13 3JW: not on the flood risk listCM13 3JZ: not on the flood risk listCM13 3LB: not on the flood risk listCM13 3LD: not on the flood risk listCM13 3LE: not on the flood risk listCM13 3LH: not on the flood risk listCM13 3LJ: not on the flood risk listCM13 3LL: not on the flood risk listCM13 3LN: not on the flood risk listCM13 3LP: not on the flood risk listCM13 3LR: not on the flood risk listCM13 3LS: not on the flood risk listCM13 3LU: not on the flood risk listCM13 3LZ: not on the flood risk listCM13 3NA: not on the flood risk listCM13 3NB: not on the flood risk listCM13 3ND: not on the flood risk listCM13 3NE: not on the flood risk listCM13 3NF: not on the flood risk listCM13 3NG: not on the flood risk listCM13 3NH: not on the flood risk listCM13 3NL: not on the flood risk listCM13 3NN: not on the flood risk listCM13 3NQ: not on the flood risk listCM13 3NS: not on the flood risk listCM13 3NT: not on the flood risk listCM13 3NU: not on the flood risk listCM13 3NX: not on the flood risk listCM13 3NY: not on the flood risk listCM13 3NZ: not on the flood risk listCM13 3PA: not on the flood risk listCM13 3PB: not on the flood risk listCM13 3PD: not on the flood risk listCM13 3PE: not on the flood risk listCM13 3PF: not on the flood risk listCM13 3PG: not on the flood risk listCM13 3PH: not on the flood risk listCM13 3PJ: not on the flood risk listCM13 3PL: not on the flood risk listCM13 3PN: not on the flood risk listCM13 3PP: not on the flood risk listCM13 3PR: not on the flood risk listCM13 3PT: not on the flood risk listCM13 3PU: not on the flood risk listCM13 3PX: not on the flood risk listCM13 3PZ: not on the flood risk listCM13 3QA: not on the flood risk listCM13 3QB: not on the flood risk listCM13 3QH: not on the flood risk listCM13 3QJ: not on the flood risk listCM13 3QL: not on the flood risk listCM13 3QN: not on the flood risk listCM13 3QP: not on the flood risk listCM13 3QS: not on the flood risk listCM13 3QT: not on the flood risk listCM13 3QU: not on the flood risk listCM13 3QX: not on the flood risk listCM13 3QY: not on the flood risk listCM13 3RA: not on the flood risk listCM13 3RB: not on the flood risk listCM13 3RD: not on the flood risk listCM13 3RE: not on the flood risk listCM13 3RF: not on the flood risk listCM13 3RG: not on the flood risk listCM13 3RH: not on the flood risk listCM13 3RJ: not on the flood risk listCM13 3RL: not on the flood risk listCM13 3RN: not on the flood risk listCM13 3RP: not on the flood risk listCM13 3RQ: not on the flood risk listCM13 3RR: not on the flood risk listCM13 3RS: not on the flood risk listCM13 3RU: not on the flood risk listCM13 3RW: not on the flood risk listCM13 3RZ: not on the flood risk listCM13 3SA: not on the flood risk listCM13 3SB: not on the flood risk listCM13 3SD: not on the flood risk listCM13 3SE: not on the flood risk listCM13 3SG: not on the flood risk listCM13 3SH: not on the flood risk listCM13 3SJ: not on the flood risk listCM13 3SL: not on the flood risk listCM13 3SN: not on the flood risk listCM13 3SP: not on the flood risk listCM13 3SR: not on the flood risk listCM13 3SU: not on the flood risk listCM13 3SW: not on the flood risk listCM13 3SX: not on the flood risk listCM13 3SY: not on the flood risk listCM13 3SZ: not on the flood risk listCM13 3TA: not on the flood risk listCM13 3TD: not on the flood risk listCM13 3TG: not on the flood risk listCM13 3TL: not on the flood risk listCM13 3TN: not on the flood risk listCM13 3TP: not on the flood risk listCM13 3TQ: not on the flood risk listCM13 3TR: not on the flood risk listCM13 3TS: not on the flood risk listCM13 3TT: not on the flood risk listCM13 3TU: not on the flood risk listCM13 3TX: not on the flood risk listCM13 3TZ: not on the flood risk listCM13 3UJ: not on the flood risk listCM13 3UL: not on the flood risk listCM13 3XD: not on the flood risk listCM13 3XJ: not on the flood risk listCM13 3YD: not on the flood risk listCM13 3QW: low flood risk at worstCM13 3EN: high flood riskCM13 3HE: high flood riskCM13 3LT: high flood riskCM13 3LW: high flood riskCM13 3LX: high flood riskCM13 3SS: high flood risk Herongate, Ingrave & West HorndonWarley Map of every postcode in the CM13 3 sector, by flood risk Of the 238 postcodes in the CM13 3 sector that ONS places, 6 have a home or business at high risk, 1 are at low risk at worst and 231 are not on the Environment Agency's at-risk list. Places named: Herongate, Ingrave & West Horndon, Warley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. Herongate, Ingrave & West HorndonWarley
  • A home or business at high risk: 6
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 231

Of the 238 postcodes in the CM13 3 sector that ONS places, 6 have a home or business at high risk, 1 are at low risk at worst and 231 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. Names in italics are council wards: we hold no town or village names here.

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.

CM13 3HE5 at high riskCM13 3LW1 at high riskCM13 3EN1 at high riskCM13 3LT1 at high riskCM13 3LX1 at high riskCM13 3SS1 at high risk

What do homes sell for in CM13 3?

Homes in CM13 3 sold for a typical £514,000 in the 12 months to August 2026, across 82 sales, up 3.8% on the 12 months before, HM Land Registry's figures show.

£514,000 typical price, the 12 months to August 2026
£495,000 12 months to August 2025
▲ up 3.8% on the 12 months before
  • Detached £840,000 25 sales
  • Semi-detached £530,000 25 sales
  • Terraced £490,000 9 sales
  • Flat or maisonette £280,000 23 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 CM13 3. 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 CM13 3

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.

CM13 3AACM13 3ABCM13 3ADCM13 3AECM13 3AGCM13 3AHCM13 3AJCM13 3ALCM13 3APCM13 3AQCM13 3ARCM13 3ATCM13 3AUCM13 3AXCM13 3AYCM13 3AZCM13 3BACM13 3BBCM13 3BDCM13 3BECM13 3BGCM13 3BHCM13 3BJCM13 3BLCM13 3BNCM13 3BPCM13 3BUCM13 3BXCM13 3BYCM13 3BZCM13 3DACM13 3DBCM13 3DDCM13 3DECM13 3DFCM13 3DGCM13 3DHCM13 3DJCM13 3DPCM13 3DQCM13 3DRCM13 3DSCM13 3DTCM13 3DXCM13 3DZCM13 3EACM13 3EBCM13 3EDCM13 3EECM13 3EGCM13 3EHCM13 3ELCM13 3ENCM13 3EPCM13 3EQCM13 3ESCM13 3EUCM13 3EXCM13 3EZCM13 3FACM13 3FBCM13 3FDCM13 3FECM13 3FFCM13 3FGCM13 3FHCM13 3FJCM13 3FLCM13 3FNCM13 3FPCM13 3FQCM13 3FRCM13 3FUCM13 3FXCM13 3FYCM13 3GECM13 3GFCM13 3GHCM13 3GJCM13 3GLCM13 3GNCM13 3GPCM13 3GQCM13 3GTCM13 3GUCM13 3GWCM13 3GXCM13 3HACM13 3HDCM13 3HECM13 3HGCM13 3HHCM13 3HJCM13 3HRCM13 3HSCM13 3HTCM13 3HUCM13 3HWCM13 3HXCM13 3HZCM13 3JACM13 3JBCM13 3JDCM13 3JECM13 3JFCM13 3JHCM13 3JJCM13 3JLCM13 3JNCM13 3JPCM13 3JRCM13 3JSCM13 3JTCM13 3JUCM13 3JWCM13 3JXCM13 3JZCM13 3LACM13 3LBCM13 3LDCM13 3LECM13 3LHCM13 3LJCM13 3LLCM13 3LNCM13 3LPCM13 3LRCM13 3LSCM13 3LTCM13 3LUCM13 3LWCM13 3LXCM13 3LZCM13 3NACM13 3NBCM13 3NDCM13 3NECM13 3NFCM13 3NGCM13 3NHCM13 3NJCM13 3NLCM13 3NNCM13 3NQCM13 3NSCM13 3NTCM13 3NUCM13 3NXCM13 3NYCM13 3NZCM13 3PACM13 3PBCM13 3PDCM13 3PECM13 3PFCM13 3PGCM13 3PHCM13 3PJCM13 3PLCM13 3PNCM13 3PPCM13 3PRCM13 3PSCM13 3PTCM13 3PUCM13 3PXCM13 3PZCM13 3QACM13 3QBCM13 3QHCM13 3QJCM13 3QLCM13 3QNCM13 3QPCM13 3QSCM13 3QTCM13 3QUCM13 3QWCM13 3QXCM13 3QYCM13 3QZCM13 3RACM13 3RBCM13 3RDCM13 3RECM13 3RFCM13 3RGCM13 3RHCM13 3RJCM13 3RLCM13 3RNCM13 3RPCM13 3RQCM13 3RRCM13 3RSCM13 3RUCM13 3RWCM13 3RZCM13 3SACM13 3SBCM13 3SDCM13 3SECM13 3SGCM13 3SHCM13 3SJCM13 3SLCM13 3SNCM13 3SPCM13 3SRCM13 3SSCM13 3SUCM13 3SWCM13 3SXCM13 3SYCM13 3SZCM13 3TACM13 3TBCM13 3TDCM13 3TGCM13 3TLCM13 3TNCM13 3TPCM13 3TQCM13 3TRCM13 3TSCM13 3TTCM13 3TUCM13 3TWCM13 3TXCM13 3TZCM13 3UACM13 3UJCM13 3ULCM13 3XDCM13 3XJCM13 3XLCM13 3YDCM13 3YG

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.