CO15 3 postcode sector in the CO15 district

CO15 3 is a sector of the CO15 district: every postcode that starts CO15 3. It has 220 postcodes in use, 5 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 CO15 3 sector, by flood risk

Map of every postcode in the CO15 3 sector, by flood risk Of the 220 postcodes in the CO15 3 sector that ONS places, 1 are at medium risk at worst and 219 are not on the Environment Agency's at-risk list. Places named: Clacton-on-Sea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A133 CO15 3AA: not on the flood risk listCO15 3AD: not on the flood risk listCO15 3AE: not on the flood risk listCO15 3AG: not on the flood risk listCO15 3AH: not on the flood risk listCO15 3AL: not on the flood risk listCO15 3AN: not on the flood risk listCO15 3AP: not on the flood risk listCO15 3AQ: not on the flood risk listCO15 3AR: not on the flood risk listCO15 3AS: not on the flood risk listCO15 3AT: not on the flood risk listCO15 3AU: not on the flood risk listCO15 3AW: not on the flood risk listCO15 3AX: not on the flood risk listCO15 3AY: not on the flood risk listCO15 3AZ: not on the flood risk listCO15 3BA: not on the flood risk listCO15 3BD: not on the flood risk listCO15 3BE: not on the flood risk listCO15 3BG: not on the flood risk listCO15 3BH: not on the flood risk listCO15 3BN: not on the flood risk listCO15 3BP: not on the flood risk listCO15 3BT: not on the flood risk listCO15 3BU: not on the flood risk listCO15 3BW: not on the flood risk listCO15 3BX: not on the flood risk listCO15 3BY: not on the flood risk listCO15 3BZ: not on the flood risk listCO15 3DA: not on the flood risk listCO15 3DB: not on the flood risk listCO15 3DE: not on the flood risk listCO15 3DG: not on the flood risk listCO15 3DH: not on the flood risk listCO15 3DJ: not on the flood risk listCO15 3DL: not on the flood risk listCO15 3DN: not on the flood risk listCO15 3DP: not on the flood risk listCO15 3DR: not on the flood risk listCO15 3DS: not on the flood risk listCO15 3DT: not on the flood risk listCO15 3DW: not on the flood risk listCO15 3DX: not on the flood risk listCO15 3DY: not on the flood risk listCO15 3DZ: not on the flood risk listCO15 3EA: not on the flood risk listCO15 3EB: not on the flood risk listCO15 3ED: not on the flood risk listCO15 3EE: not on the flood risk listCO15 3EF: not on the flood risk listCO15 3EG: not on the flood risk listCO15 3EH: not on the flood risk listCO15 3EJ: not on the flood risk listCO15 3EP: not on the flood risk listCO15 3EQ: not on the flood risk listCO15 3ER: not on the flood risk listCO15 3ES: not on the flood risk listCO15 3ET: not on the flood risk listCO15 3EU: not on the flood risk listCO15 3EW: not on the flood risk listCO15 3EX: not on the flood risk listCO15 3EY: not on the flood risk listCO15 3FA: not on the flood risk listCO15 3FB: not on the flood risk listCO15 3FE: not on the flood risk listCO15 3FF: not on the flood risk listCO15 3FG: not on the flood risk listCO15 3GQ: not on the flood risk listCO15 3GR: not on the flood risk listCO15 3HA: not on the flood risk listCO15 3HB: not on the flood risk listCO15 3HD: not on the flood risk listCO15 3HE: not on the flood risk listCO15 3HG: not on the flood risk listCO15 3HH: not on the flood risk listCO15 3HJ: not on the flood risk listCO15 3HL: not on the flood risk listCO15 3HP: not on the flood risk listCO15 3HS: not on the flood risk listCO15 3HT: not on the flood risk listCO15 3HU: not on the flood risk listCO15 3HX: not on the flood risk listCO15 3HY: not on the flood risk listCO15 3HZ: not on the flood risk listCO15 3JA: not on the flood risk listCO15 3JB: not on the flood risk listCO15 3JD: not on the flood risk listCO15 3JE: not on the flood risk listCO15 3JG: not on the flood risk listCO15 3JH: not on the flood risk listCO15 3JL: not on the flood risk listCO15 3JN: not on the flood risk listCO15 3JP: not on the flood risk listCO15 3JR: not on the flood risk listCO15 3JS: not on the flood risk listCO15 3JT: not on the flood risk listCO15 3JX: not on the flood risk listCO15 3JY: not on the flood risk listCO15 3JZ: not on the flood risk listCO15 3LA: not on the flood risk listCO15 3LB: not on the flood risk listCO15 3LD: not on the flood risk listCO15 3LE: not on the flood risk listCO15 3LF: not on the flood risk listCO15 3LG: not on the flood risk listCO15 3LH: not on the flood risk listCO15 3LJ: not on the flood risk listCO15 3LL: not on the flood risk listCO15 3LQ: not on the flood risk listCO15 3LR: not on the flood risk listCO15 3LS: not on the flood risk listCO15 3LT: not on the flood risk listCO15 3LU: not on the flood risk listCO15 3LX: not on the flood risk listCO15 3LY: not on the flood risk listCO15 3LZ: not on the flood risk listCO15 3NB: not on the flood risk listCO15 3ND: not on the flood risk listCO15 3NE: not on the flood risk listCO15 3NF: not on the flood risk listCO15 3NG: not on the flood risk listCO15 3NH: not on the flood risk listCO15 3NJ: not on the flood risk listCO15 3NL: not on the flood risk listCO15 3NN: not on the flood risk listCO15 3NP: not on the flood risk listCO15 3NR: not on the flood risk listCO15 3NS: not on the flood risk listCO15 3NT: not on the flood risk listCO15 3NU: not on the flood risk listCO15 3NW: not on the flood risk listCO15 3NX: not on the flood risk listCO15 3NY: not on the flood risk listCO15 3NZ: not on the flood risk listCO15 3PA: not on the flood risk listCO15 3PB: not on the flood risk listCO15 3PD: not on the flood risk listCO15 3PE: not on the flood risk listCO15 3PF: not on the flood risk listCO15 3PG: not on the flood risk listCO15 3PH: not on the flood risk listCO15 3PJ: not on the flood risk listCO15 3PL: not on the flood risk listCO15 3PN: not on the flood risk listCO15 3PP: not on the flood risk listCO15 3PQ: not on the flood risk listCO15 3PR: not on the flood risk listCO15 3PS: not on the flood risk listCO15 3PT: not on the flood risk listCO15 3PU: not on the flood risk listCO15 3PW: not on the flood risk listCO15 3PX: not on the flood risk listCO15 3PY: not on the flood risk listCO15 3PZ: not on the flood risk listCO15 3QA: not on the flood risk listCO15 3QD: not on the flood risk listCO15 3QE: not on the flood risk listCO15 3QF: not on the flood risk listCO15 3QG: not on the flood risk listCO15 3QH: not on the flood risk listCO15 3QJ: not on the flood risk listCO15 3QL: not on the flood risk listCO15 3QN: not on the flood risk listCO15 3QP: not on the flood risk listCO15 3QQ: not on the flood risk listCO15 3QR: not on the flood risk listCO15 3QS: not on the flood risk listCO15 3QT: not on the flood risk listCO15 3QX: not on the flood risk listCO15 3RA: not on the flood risk listCO15 3RB: not on the flood risk listCO15 3RD: not on the flood risk listCO15 3RG: not on the flood risk listCO15 3RJ: not on the flood risk listCO15 3RN: not on the flood risk listCO15 3RP: not on the flood risk listCO15 3RQ: not on the flood risk listCO15 3RR: not on the flood risk listCO15 3RS: not on the flood risk listCO15 3RT: not on the flood risk listCO15 3RW: not on the flood risk listCO15 3RX: not on the flood risk listCO15 3RY: not on the flood risk listCO15 3RZ: not on the flood risk listCO15 3SA: not on the flood risk listCO15 3SB: not on the flood risk listCO15 3SD: not on the flood risk listCO15 3SE: not on the flood risk listCO15 3SG: not on the flood risk listCO15 3SH: not on the flood risk listCO15 3SJ: not on the flood risk listCO15 3SL: not on the flood risk listCO15 3SN: not on the flood risk listCO15 3SP: not on the flood risk listCO15 3SR: not on the flood risk listCO15 3SS: not on the flood risk listCO15 3ST: not on the flood risk listCO15 3SU: not on the flood risk listCO15 3SW: not on the flood risk listCO15 3SX: not on the flood risk listCO15 3SY: not on the flood risk listCO15 3SZ: not on the flood risk listCO15 3TA: not on the flood risk listCO15 3TB: not on the flood risk listCO15 3TD: not on the flood risk listCO15 3TE: not on the flood risk listCO15 3TG: not on the flood risk listCO15 3TH: not on the flood risk listCO15 3TJ: not on the flood risk listCO15 3TT: not on the flood risk listCO15 3TU: not on the flood risk listCO15 3TX: not on the flood risk listCO15 3TY: not on the flood risk listCO15 3TZ: not on the flood risk listCO15 3UA: not on the flood risk listCO15 3UB: not on the flood risk listCO15 3TP: medium flood risk at worst Clacton-on-Sea Map of every postcode in the CO15 3 sector, by flood risk Of the 220 postcodes in the CO15 3 sector that ONS places, 1 are at medium risk at worst and 219 are not on the Environment Agency's at-risk list. Places named: Clacton-on-Sea. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A133 Clacton-on-Sea
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 219

Of the 220 postcodes in the CO15 3 sector that ONS places, 1 are at medium risk at worst and 219 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 medium risk at worst

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

CO15 3TP1 at medium risk

What do homes sell for in CO15 3?

Homes in CO15 3 sold for a typical £202,500 in the 12 months to August 2026, across 76 sales, down 1.2% on the 12 months before, HM Land Registry's figures show.

£202,500 typical price, the 12 months to August 2026
£205,000 12 months to August 2025
▼ down 1.2% on the 12 months before
  • Detached £250,000 13 sales
  • Semi-detached £230,000 31 sales
  • Terraced £195,000 19 sales
  • Flat or maisonette £115,000 13 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 CO15 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 CO15 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.

CO15 3AACO15 3ADCO15 3AECO15 3AGCO15 3AHCO15 3ALCO15 3ANCO15 3APCO15 3AQCO15 3ARCO15 3ASCO15 3ATCO15 3AUCO15 3AWCO15 3AXCO15 3AYCO15 3AZCO15 3BACO15 3BDCO15 3BECO15 3BGCO15 3BHCO15 3BNCO15 3BPCO15 3BTCO15 3BUCO15 3BWCO15 3BXCO15 3BYCO15 3BZCO15 3DACO15 3DBCO15 3DECO15 3DGCO15 3DHCO15 3DJCO15 3DLCO15 3DNCO15 3DPCO15 3DRCO15 3DSCO15 3DTCO15 3DWCO15 3DXCO15 3DYCO15 3DZCO15 3EACO15 3EBCO15 3EDCO15 3EECO15 3EFCO15 3EGCO15 3EHCO15 3EJCO15 3EPCO15 3EQCO15 3ERCO15 3ESCO15 3ETCO15 3EUCO15 3EWCO15 3EXCO15 3EYCO15 3FACO15 3FBCO15 3FECO15 3FFCO15 3FGCO15 3GQCO15 3GRCO15 3HACO15 3HBCO15 3HDCO15 3HECO15 3HGCO15 3HHCO15 3HJCO15 3HLCO15 3HPCO15 3HRCO15 3HSCO15 3HTCO15 3HUCO15 3HXCO15 3HYCO15 3HZCO15 3JACO15 3JBCO15 3JDCO15 3JECO15 3JGCO15 3JHCO15 3JLCO15 3JNCO15 3JPCO15 3JRCO15 3JSCO15 3JTCO15 3JXCO15 3JYCO15 3JZCO15 3LACO15 3LBCO15 3LDCO15 3LECO15 3LFCO15 3LGCO15 3LHCO15 3LJCO15 3LLCO15 3LQCO15 3LRCO15 3LSCO15 3LTCO15 3LUCO15 3LXCO15 3LYCO15 3LZCO15 3NBCO15 3NDCO15 3NECO15 3NFCO15 3NGCO15 3NHCO15 3NJCO15 3NLCO15 3NNCO15 3NPCO15 3NRCO15 3NSCO15 3NTCO15 3NUCO15 3NWCO15 3NXCO15 3NYCO15 3NZCO15 3PACO15 3PBCO15 3PDCO15 3PECO15 3PFCO15 3PGCO15 3PHCO15 3PJCO15 3PLCO15 3PNCO15 3PPCO15 3PQCO15 3PRCO15 3PSCO15 3PTCO15 3PUCO15 3PWCO15 3PXCO15 3PYCO15 3PZCO15 3QACO15 3QDCO15 3QECO15 3QFCO15 3QGCO15 3QHCO15 3QJCO15 3QLCO15 3QNCO15 3QPCO15 3QQCO15 3QRCO15 3QSCO15 3QTCO15 3QWCO15 3QXCO15 3RACO15 3RBCO15 3RDCO15 3RGCO15 3RJCO15 3RNCO15 3RPCO15 3RQCO15 3RRCO15 3RSCO15 3RTCO15 3RWCO15 3RXCO15 3RYCO15 3RZCO15 3SACO15 3SBCO15 3SDCO15 3SECO15 3SGCO15 3SHCO15 3SJCO15 3SLCO15 3SNCO15 3SPCO15 3SRCO15 3SSCO15 3STCO15 3SUCO15 3SWCO15 3SXCO15 3SYCO15 3SZCO15 3TACO15 3TBCO15 3TDCO15 3TECO15 3TGCO15 3THCO15 3TJCO15 3TPCO15 3TTCO15 3TUCO15 3TXCO15 3TYCO15 3TZCO15 3UACO15 3UB

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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