CO5 8 postcode sector in the CO5 district

CO5 8 is a sector of the CO5 district: every postcode that starts CO5 8. It has 261 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 CO5 8 sector, by flood risk

Map of every postcode in the CO5 8 sector, by flood risk Of the 261 postcodes in the CO5 8 sector that ONS places, 23 have a home or business at high risk, 3 are at medium risk at worst, 6 are at low risk at worst, 1 are at very low risk only and 228 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 5 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: West Mersea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. CO5 8AA: not on the flood risk listCO5 8AB: not on the flood risk listCO5 8AD: not on the flood risk listCO5 8AE: not on the flood risk listCO5 8AF: not on the flood risk listCO5 8AG: not on the flood risk listCO5 8AH: not on the flood risk listCO5 8AJ: not on the flood risk listCO5 8AN: not on the flood risk listCO5 8AP: not on the flood risk listCO5 8AS: not on the flood risk listCO5 8AU: not on the flood risk listCO5 8AW: not on the flood risk listCO5 8AX: not on the flood risk listCO5 8AY: not on the flood risk listCO5 8AZ: not on the flood risk listCO5 8BA: not on the flood risk listCO5 8BB: not on the flood risk listCO5 8BD: not on the flood risk listCO5 8BE: not on the flood risk listCO5 8BG: not on the flood risk listCO5 8BH: not on the flood risk listCO5 8BJ: not on the flood risk listCO5 8BL: not on the flood risk listCO5 8BN: not on the flood risk listCO5 8BQ: not on the flood risk listCO5 8BS: not on the flood risk listCO5 8BT: not on the flood risk listCO5 8BU: not on the flood risk listCO5 8BW: not on the flood risk listCO5 8BY: not on the flood risk listCO5 8DE: not on the flood risk listCO5 8DG: not on the flood risk listCO5 8DH: not on the flood risk listCO5 8DJ: not on the flood risk listCO5 8DL: not on the flood risk listCO5 8DN: not on the flood risk listCO5 8DP: not on the flood risk listCO5 8DQ: not on the flood risk listCO5 8DR: not on the flood risk listCO5 8DS: not on the flood risk listCO5 8DT: not on the flood risk listCO5 8DU: not on the flood risk listCO5 8DX: not on the flood risk listCO5 8DY: not on the flood risk listCO5 8DZ: not on the flood risk listCO5 8EA: not on the flood risk listCO5 8EB: not on the flood risk listCO5 8ED: not on the flood risk listCO5 8EE: not on the flood risk listCO5 8EF: not on the flood risk listCO5 8EG: not on the flood risk listCO5 8EH: not on the flood risk listCO5 8EJ: not on the flood risk listCO5 8EL: not on the flood risk listCO5 8EN: not on the flood risk listCO5 8EP: not on the flood risk listCO5 8EQ: not on the flood risk listCO5 8ER: not on the flood risk listCO5 8ES: not on the flood risk listCO5 8ET: not on the flood risk listCO5 8EU: not on the flood risk listCO5 8EW: not on the flood risk listCO5 8EX: not on the flood risk listCO5 8EZ: not on the flood risk listCO5 8FA: not on the flood risk listCO5 8FH: not on the flood risk listCO5 8FJ: not on the flood risk listCO5 8FL: not on the flood risk listCO5 8FN: not on the flood risk listCO5 8FP: not on the flood risk listCO5 8FQ: not on the flood risk listCO5 8FR: not on the flood risk listCO5 8FU: not on the flood risk listCO5 8FX: not on the flood risk listCO5 8FY: not on the flood risk listCO5 8FZ: not on the flood risk listCO5 8GE: not on the flood risk listCO5 8GF: not on the flood risk listCO5 8GG: not on the flood risk listCO5 8GH: not on the flood risk listCO5 8GJ: not on the flood risk listCO5 8GL: not on the flood risk listCO5 8GN: not on the flood risk listCO5 8GP: not on the flood risk listCO5 8GQ: not on the flood risk listCO5 8GS: not on the flood risk listCO5 8GW: not on the flood risk listCO5 8GY: not on the flood risk listCO5 8GZ: not on the flood risk listCO5 8HA: not on the flood risk listCO5 8HB: not on the flood risk listCO5 8HD: not on the flood risk listCO5 8HE: not on the flood risk listCO5 8HG: not on the flood risk listCO5 8HH: not on the flood risk listCO5 8HJ: not on the flood risk listCO5 8HL: not on the flood risk listCO5 8HN: not on the flood risk listCO5 8HP: not on the flood risk listCO5 8HT: not on the flood risk listCO5 8HU: not on the flood risk listCO5 8HZ: not on the flood risk listCO5 8JA: not on the flood risk listCO5 8JB: not on the flood risk listCO5 8JD: not on the flood risk listCO5 8JE: not on the flood risk listCO5 8JF: not on the flood risk listCO5 8JH: not on the flood risk listCO5 8JJ: not on the flood risk listCO5 8JL: not on the flood risk listCO5 8JN: not on the flood risk listCO5 8JP: not on the flood risk listCO5 8JR: not on the flood risk listCO5 8JS: not on the flood risk listCO5 8JT: not on the flood risk listCO5 8JU: not on the flood risk listCO5 8JX: not on the flood risk listCO5 8JZ: not on the flood risk listCO5 8LA: not on the flood risk listCO5 8LB: not on the flood risk listCO5 8LE: not on the flood risk listCO5 8LF: not on the flood risk listCO5 8LG: not on the flood risk listCO5 8LH: not on the flood risk listCO5 8LJ: not on the flood risk listCO5 8LL: not on the flood risk listCO5 8LN: not on the flood risk listCO5 8LP: not on the flood risk listCO5 8LX: not on the flood risk listCO5 8LY: not on the flood risk listCO5 8LZ: not on the flood risk listCO5 8ND: not on the flood risk listCO5 8NF: not on the flood risk listCO5 8NG: not on the flood risk listCO5 8NH: not on the flood risk listCO5 8NJ: not on the flood risk listCO5 8NN: not on the flood risk listCO5 8NQ: not on the flood risk listCO5 8NR: not on the flood risk listCO5 8PB: not on the flood risk listCO5 8PL: not on the flood risk listCO5 8PN: not on the flood risk listCO5 8PP: not on the flood risk listCO5 8PR: not on the flood risk listCO5 8PS: not on the flood risk listCO5 8PT: not on the flood risk listCO5 8PU: not on the flood risk listCO5 8PX: not on the flood risk listCO5 8PY: not on the flood risk listCO5 8PZ: not on the flood risk listCO5 8QA: not on the flood risk listCO5 8QD: not on the flood risk listCO5 8QE: not on the flood risk listCO5 8QF: not on the flood risk listCO5 8QG: not on the flood risk listCO5 8QJ: not on the flood risk listCO5 8QL: not on the flood risk listCO5 8QN: not on the flood risk listCO5 8QP: not on the flood risk listCO5 8QQ: not on the flood risk listCO5 8QR: not on the flood risk listCO5 8QS: not on the flood risk listCO5 8QT: not on the flood risk listCO5 8QU: not on the flood risk listCO5 8QW: not on the flood risk listCO5 8QX: not on the flood risk listCO5 8QY: not on the flood risk listCO5 8QZ: not on the flood risk listCO5 8RA: not on the flood risk listCO5 8RB: not on the flood risk listCO5 8RD: not on the flood risk listCO5 8RE: not on the flood risk listCO5 8RF: not on the flood risk listCO5 8RG: not on the flood risk listCO5 8RH: not on the flood risk listCO5 8RJ: not on the flood risk listCO5 8RL: not on the flood risk listCO5 8RN: not on the flood risk listCO5 8RP: not on the flood risk listCO5 8RR: not on the flood risk listCO5 8RS: not on the flood risk listCO5 8RT: not on the flood risk listCO5 8RU: not on the flood risk listCO5 8RW: not on the flood risk listCO5 8RY: not on the flood risk listCO5 8RZ: not on the flood risk listCO5 8SA: not on the flood risk listCO5 8SB: not on the flood risk listCO5 8SD: not on the flood risk listCO5 8SE: not on the flood risk listCO5 8SG: not on the flood risk listCO5 8SH: not on the flood risk listCO5 8SJ: not on the flood risk listCO5 8SL: not on the flood risk listCO5 8SN: not on the flood risk listCO5 8SP: not on the flood risk listCO5 8SQ: not on the flood risk listCO5 8SR: not on the flood risk listCO5 8SU: not on the flood risk listCO5 8SY: not on the flood risk listCO5 8SZ: not on the flood risk listCO5 8TA: not on the flood risk listCO5 8TD: not on the flood risk listCO5 8TG: not on the flood risk listCO5 8TH: not on the flood risk listCO5 8TP: not on the flood risk listCO5 8TQ: not on the flood risk listCO5 8UA: not on the flood risk listCO5 8UD: not on the flood risk listCO5 8UE: not on the flood risk listCO5 8UF: not on the flood risk listCO5 8UG: not on the flood risk listCO5 8UJ: not on the flood risk listCO5 8UQ: not on the flood risk listCO5 8UW: not on the flood risk listCO5 8XB: not on the flood risk listCO5 8YJ: not on the flood risk listCO5 8NE: very low flood risk onlyCO5 8AT: low flood risk at worstCO5 8BP: low flood risk at worstCO5 8BX: low flood risk at worstCO5 8BZ: low flood risk at worstCO5 8TE: low flood risk at worstCO5 8AL: medium flood risk at worstCO5 8AR: medium flood risk at worstCO5 8DB: medium flood risk at worstCO5 8AQ: high flood riskCO5 8DA: high flood riskCO5 8DD: high flood riskCO5 8FE: high flood riskCO5 8LS: high flood riskCO5 8LT: high flood riskCO5 8NA: high flood riskCO5 8NS: high flood riskCO5 8NT: high flood riskCO5 8NU: high flood riskCO5 8NW: high flood riskCO5 8NX: high flood riskCO5 8PA: high flood riskCO5 8PG: high flood riskCO5 8PH: high flood riskCO5 8SS: high flood riskCO5 8SX: high flood riskCO5 8TJ: high flood riskCO5 8TN: high flood riskCO5 8TR: high flood riskCO5 8UB: high flood riskCO5 8UN: high flood riskCO5 8US: high flood risk West Mersea 5 postcodes at high or medium risk, outlined: this goes to CO5 8DD, the one with most homes and businesses at high risk5 postcodes at high or medium risk5 postcodes at high or medium risk, outlined: this goes to CO5 8PA, the one with most homes and businesses at high risk5 postcodes at high or medium risk Map of every postcode in the CO5 8 sector, by flood risk Of the 261 postcodes in the CO5 8 sector that ONS places, 23 have a home or business at high risk, 3 are at medium risk at worst, 6 are at low risk at worst, 1 are at very low risk only and 228 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 5 postcodes at high or medium risk; 5 postcodes at high or medium risk. Places named: West Mersea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. West Mersea
  • A home or business at high risk: 23
  • At medium risk at worst: 3
  • At low risk at worst: 6
  • At very low risk only: 1
  • Not on the at-risk list: 228
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 261 postcodes in the CO5 8 sector that ONS places, 23 have a home or business at high risk, 3 are at medium risk at worst, 6 are at low risk at worst, 1 are at very low risk only and 228 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. A dashed outline shows where 5 or more lie within 170 metres of each other. It is not a boundary, and 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

23 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

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

CO5 8DA30 at high riskCO5 8PH23 at high riskCO5 8TN19 at high riskCO5 8NS19 at high riskCO5 8UB17 at high riskCO5 8PA13 at high riskCO5 8NX13 at high riskCO5 8LT12 at high riskCO5 8LS11 at high riskCO5 8NA8 at high riskCO5 8NW6 at high riskCO5 8NU5 at high risk

Where the postcodes at high or medium risk lie together

  • 5 postcodes at high or medium risk, outlined on the map. CO5 8DD, is the one with most homes and businesses at high risk.
  • 5 postcodes at high or medium risk, outlined on the map. CO5 8PA, is the one with most homes and businesses at high risk.

What do homes sell for in CO5 8?

Homes in CO5 8 sold for a typical £385,000 in the 12 months to August 2026, across 92 sales, down 18.9% on the 12 months before, HM Land Registry's figures show.

£385,000 typical price, the 12 months to August 2026
£475,000 12 months to August 2025
▼ down 18.9% on the 12 months before
  • Detached £450,000 59 sales
  • Semi-detached £316,250 18 sales
  • Terraced £301,545 8 sales
  • Flat or maisonette £212,500 7 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 CO5 8. 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 CO5 8

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.

CO5 8AACO5 8ABCO5 8ADCO5 8AECO5 8AFCO5 8AGCO5 8AHCO5 8AJCO5 8ALCO5 8ANCO5 8APCO5 8AQCO5 8ARCO5 8ASCO5 8ATCO5 8AUCO5 8AWCO5 8AXCO5 8AYCO5 8AZCO5 8BACO5 8BBCO5 8BDCO5 8BECO5 8BGCO5 8BHCO5 8BJCO5 8BLCO5 8BNCO5 8BPCO5 8BQCO5 8BSCO5 8BTCO5 8BUCO5 8BWCO5 8BXCO5 8BYCO5 8BZCO5 8DACO5 8DBCO5 8DDCO5 8DECO5 8DGCO5 8DHCO5 8DJCO5 8DLCO5 8DNCO5 8DPCO5 8DQCO5 8DRCO5 8DSCO5 8DTCO5 8DUCO5 8DXCO5 8DYCO5 8DZCO5 8EACO5 8EBCO5 8EDCO5 8EECO5 8EFCO5 8EGCO5 8EHCO5 8EJCO5 8ELCO5 8ENCO5 8EPCO5 8EQCO5 8ERCO5 8ESCO5 8ETCO5 8EUCO5 8EWCO5 8EXCO5 8EYCO5 8EZCO5 8FACO5 8FECO5 8FHCO5 8FJCO5 8FLCO5 8FNCO5 8FPCO5 8FQCO5 8FRCO5 8FUCO5 8FXCO5 8FYCO5 8FZCO5 8GECO5 8GFCO5 8GGCO5 8GHCO5 8GJCO5 8GLCO5 8GNCO5 8GPCO5 8GQCO5 8GSCO5 8GWCO5 8GYCO5 8GZCO5 8HACO5 8HBCO5 8HDCO5 8HECO5 8HGCO5 8HHCO5 8HJCO5 8HLCO5 8HNCO5 8HPCO5 8HRCO5 8HTCO5 8HUCO5 8HWCO5 8HZCO5 8JACO5 8JBCO5 8JDCO5 8JECO5 8JFCO5 8JHCO5 8JJCO5 8JLCO5 8JNCO5 8JPCO5 8JRCO5 8JSCO5 8JTCO5 8JUCO5 8JXCO5 8JYCO5 8JZCO5 8LACO5 8LBCO5 8LECO5 8LFCO5 8LGCO5 8LHCO5 8LJCO5 8LLCO5 8LNCO5 8LPCO5 8LSCO5 8LTCO5 8LXCO5 8LYCO5 8LZCO5 8NACO5 8NDCO5 8NECO5 8NFCO5 8NGCO5 8NHCO5 8NJCO5 8NLCO5 8NNCO5 8NQCO5 8NRCO5 8NSCO5 8NTCO5 8NUCO5 8NWCO5 8NXCO5 8NYCO5 8PACO5 8PBCO5 8PGCO5 8PHCO5 8PLCO5 8PNCO5 8PPCO5 8PRCO5 8PSCO5 8PTCO5 8PUCO5 8PXCO5 8PYCO5 8PZCO5 8QACO5 8QDCO5 8QECO5 8QFCO5 8QGCO5 8QHCO5 8QJCO5 8QLCO5 8QNCO5 8QPCO5 8QQCO5 8QRCO5 8QSCO5 8QTCO5 8QUCO5 8QWCO5 8QXCO5 8QYCO5 8QZCO5 8RACO5 8RBCO5 8RDCO5 8RECO5 8RFCO5 8RGCO5 8RHCO5 8RJCO5 8RLCO5 8RNCO5 8RPCO5 8RRCO5 8RSCO5 8RTCO5 8RUCO5 8RWCO5 8RXCO5 8RYCO5 8RZCO5 8SACO5 8SBCO5 8SDCO5 8SECO5 8SGCO5 8SHCO5 8SJCO5 8SLCO5 8SNCO5 8SPCO5 8SQCO5 8SRCO5 8SSCO5 8SUCO5 8SXCO5 8SYCO5 8SZCO5 8TACO5 8TDCO5 8TECO5 8TGCO5 8THCO5 8TJCO5 8TLCO5 8TNCO5 8TPCO5 8TQCO5 8TRCO5 8UACO5 8UBCO5 8UDCO5 8UECO5 8UFCO5 8UGCO5 8UJCO5 8UNCO5 8UQCO5 8USCO5 8UWCO5 8XBCO5 8XRCO5 8YJCO5 8YL

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

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