CO12 5 postcode sector in the CO12 district

CO12 5 is a sector of the CO12 district: every postcode that starts CO12 5. It has 147 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 CO12 5 sector, by flood risk

Map of every postcode in the CO12 5 sector, by flood risk Of the 147 postcodes in the CO12 5 sector that ONS places, 8 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst, 11 are at very low risk only and 126 are not on the Environment Agency's at-risk list. Places named: The Oakleys & Wix, Stour Valley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A120 CO12 5AA: not on the flood risk listCO12 5AB: not on the flood risk listCO12 5AD: not on the flood risk listCO12 5AE: not on the flood risk listCO12 5AG: not on the flood risk listCO12 5AH: not on the flood risk listCO12 5AJ: not on the flood risk listCO12 5AL: not on the flood risk listCO12 5AN: not on the flood risk listCO12 5AP: not on the flood risk listCO12 5AQ: not on the flood risk listCO12 5AR: not on the flood risk listCO12 5AT: not on the flood risk listCO12 5AU: not on the flood risk listCO12 5AX: not on the flood risk listCO12 5AZ: not on the flood risk listCO12 5BA: not on the flood risk listCO12 5BB: not on the flood risk listCO12 5BD: not on the flood risk listCO12 5BE: not on the flood risk listCO12 5BG: not on the flood risk listCO12 5BJ: not on the flood risk listCO12 5BL: not on the flood risk listCO12 5BP: not on the flood risk listCO12 5BS: not on the flood risk listCO12 5BT: not on the flood risk listCO12 5BU: not on the flood risk listCO12 5BW: not on the flood risk listCO12 5BX: not on the flood risk listCO12 5BY: not on the flood risk listCO12 5BZ: not on the flood risk listCO12 5DA: not on the flood risk listCO12 5DB: not on the flood risk listCO12 5DD: not on the flood risk listCO12 5DE: not on the flood risk listCO12 5DF: not on the flood risk listCO12 5DG: not on the flood risk listCO12 5DH: not on the flood risk listCO12 5DJ: not on the flood risk listCO12 5DL: not on the flood risk listCO12 5DN: not on the flood risk listCO12 5DP: not on the flood risk listCO12 5DQ: not on the flood risk listCO12 5DR: not on the flood risk listCO12 5DS: not on the flood risk listCO12 5DT: not on the flood risk listCO12 5DX: not on the flood risk listCO12 5DY: not on the flood risk listCO12 5DZ: not on the flood risk listCO12 5EA: not on the flood risk listCO12 5EB: not on the flood risk listCO12 5ED: not on the flood risk listCO12 5EE: not on the flood risk listCO12 5EF: not on the flood risk listCO12 5EG: not on the flood risk listCO12 5EH: not on the flood risk listCO12 5EJ: not on the flood risk listCO12 5EL: not on the flood risk listCO12 5EN: not on the flood risk listCO12 5EP: not on the flood risk listCO12 5EQ: not on the flood risk listCO12 5ER: not on the flood risk listCO12 5ES: not on the flood risk listCO12 5EU: not on the flood risk listCO12 5EW: not on the flood risk listCO12 5EZ: not on the flood risk listCO12 5FA: not on the flood risk listCO12 5FB: not on the flood risk listCO12 5FD: not on the flood risk listCO12 5FE: not on the flood risk listCO12 5FF: not on the flood risk listCO12 5FG: not on the flood risk listCO12 5FH: not on the flood risk listCO12 5FJ: not on the flood risk listCO12 5FL: not on the flood risk listCO12 5FN: not on the flood risk listCO12 5FP: not on the flood risk listCO12 5FQ: not on the flood risk listCO12 5FR: not on the flood risk listCO12 5FT: not on the flood risk listCO12 5HE: not on the flood risk listCO12 5HF: not on the flood risk listCO12 5HG: not on the flood risk listCO12 5HJ: not on the flood risk listCO12 5JA: not on the flood risk listCO12 5JB: not on the flood risk listCO12 5JD: not on the flood risk listCO12 5JE: not on the flood risk listCO12 5JF: not on the flood risk listCO12 5JG: not on the flood risk listCO12 5JH: not on the flood risk listCO12 5JL: not on the flood risk listCO12 5JN: not on the flood risk listCO12 5JP: not on the flood risk listCO12 5JR: not on the flood risk listCO12 5JS: not on the flood risk listCO12 5JT: not on the flood risk listCO12 5JU: not on the flood risk listCO12 5JX: not on the flood risk listCO12 5JY: not on the flood risk listCO12 5JZ: not on the flood risk listCO12 5LA: not on the flood risk listCO12 5LD: not on the flood risk listCO12 5LG: not on the flood risk listCO12 5LH: not on the flood risk listCO12 5LL: not on the flood risk listCO12 5LN: not on the flood risk listCO12 5LP: not on the flood risk listCO12 5LR: not on the flood risk listCO12 5LS: not on the flood risk listCO12 5LT: not on the flood risk listCO12 5LU: not on the flood risk listCO12 5LY: not on the flood risk listCO12 5LZ: not on the flood risk listCO12 5NA: not on the flood risk listCO12 5NB: not on the flood risk listCO12 5ND: not on the flood risk listCO12 5NF: not on the flood risk listCO12 5NH: not on the flood risk listCO12 5NJ: not on the flood risk listCO12 5NL: not on the flood risk listCO12 5NW: not on the flood risk listCO12 5BH: very low flood risk onlyCO12 5ET: very low flood risk onlyCO12 5EX: very low flood risk onlyCO12 5HD: very low flood risk onlyCO12 5HH: very low flood risk onlyCO12 5HN: very low flood risk onlyCO12 5HR: very low flood risk onlyCO12 5HW: very low flood risk onlyCO12 5JW: very low flood risk onlyCO12 5LF: very low flood risk onlyCO12 5LJ: very low flood risk onlyCO12 5EY: low flood risk at worstCO12 5NE: medium flood risk at worstCO12 5BN: high flood riskCO12 5BQ: high flood riskCO12 5HA: high flood riskCO12 5HB: high flood riskCO12 5HL: high flood riskCO12 5HP: high flood riskCO12 5JJ: high flood riskCO12 5LE: high flood risk The Oakleys & WixStour Valley Map of every postcode in the CO12 5 sector, by flood risk Of the 147 postcodes in the CO12 5 sector that ONS places, 8 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst, 11 are at very low risk only and 126 are not on the Environment Agency's at-risk list. Places named: The Oakleys & Wix, Stour Valley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A120 The Oakleys & WixStour Valley
  • A home or business at high risk: 8
  • At medium risk at worst: 1
  • At low risk at worst: 1
  • At very low risk only: 11
  • Not on the at-risk list: 126

Of the 147 postcodes in the CO12 5 sector that ONS places, 8 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst, 11 are at very low risk only and 126 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.

CO12 5BQ5 at high riskCO12 5HL3 at high riskCO12 5BN2 at high riskCO12 5JJ2 at high riskCO12 5HA1 at high riskCO12 5HB1 at high riskCO12 5HP1 at high riskCO12 5LE1 at high risk

What do homes sell for in CO12 5?

Homes in CO12 5 sold for a typical £335,000 in the 12 months to August 2026, across 53 sales, up 2.3% on the 12 months before, HM Land Registry's figures show.

£335,000 typical price, the 12 months to August 2026
£327,500 12 months to August 2025
▲ up 2.3% on the 12 months before
  • Detached £350,000 31 sales
  • Semi-detached £301,000 12 sales
  • Terraced £220,000 7 sales
  • Flat or maisonette 3 sales, too few to price

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 CO12 5. 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 CO12 5

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.

CO12 5AACO12 5ABCO12 5ADCO12 5AECO12 5AGCO12 5AHCO12 5AJCO12 5ALCO12 5ANCO12 5APCO12 5AQCO12 5ARCO12 5ASCO12 5ATCO12 5AUCO12 5AXCO12 5AZCO12 5BACO12 5BBCO12 5BDCO12 5BECO12 5BGCO12 5BHCO12 5BJCO12 5BLCO12 5BNCO12 5BPCO12 5BQCO12 5BSCO12 5BTCO12 5BUCO12 5BWCO12 5BXCO12 5BYCO12 5BZCO12 5DACO12 5DBCO12 5DDCO12 5DECO12 5DFCO12 5DGCO12 5DHCO12 5DJCO12 5DLCO12 5DNCO12 5DPCO12 5DQCO12 5DRCO12 5DSCO12 5DTCO12 5DUCO12 5DXCO12 5DYCO12 5DZCO12 5EACO12 5EBCO12 5EDCO12 5EECO12 5EFCO12 5EGCO12 5EHCO12 5EJCO12 5ELCO12 5ENCO12 5EPCO12 5EQCO12 5ERCO12 5ESCO12 5ETCO12 5EUCO12 5EWCO12 5EXCO12 5EYCO12 5EZCO12 5FACO12 5FBCO12 5FDCO12 5FECO12 5FFCO12 5FGCO12 5FHCO12 5FJCO12 5FLCO12 5FNCO12 5FPCO12 5FQCO12 5FRCO12 5FTCO12 5HACO12 5HBCO12 5HDCO12 5HECO12 5HFCO12 5HGCO12 5HHCO12 5HJCO12 5HLCO12 5HNCO12 5HPCO12 5HRCO12 5HWCO12 5JACO12 5JBCO12 5JDCO12 5JECO12 5JFCO12 5JGCO12 5JHCO12 5JJCO12 5JLCO12 5JNCO12 5JPCO12 5JRCO12 5JSCO12 5JTCO12 5JUCO12 5JWCO12 5JXCO12 5JYCO12 5JZCO12 5LACO12 5LBCO12 5LDCO12 5LECO12 5LFCO12 5LGCO12 5LHCO12 5LJCO12 5LLCO12 5LNCO12 5LPCO12 5LRCO12 5LSCO12 5LTCO12 5LUCO12 5LYCO12 5LZCO12 5NACO12 5NBCO12 5NDCO12 5NECO12 5NFCO12 5NHCO12 5NJCO12 5NLCO12 5NNCO12 5NW

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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