CO3 9 postcode sector in the CO3 district

CO3 9 is a sector of the CO3 district: every postcode that starts CO3 9. It has 148 postcodes in use, one of them a large-user postcode. 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 CO3 9 sector, and which are new since 2020

Map of every postcode in the CO3 9 sector, by new since 2020 Of the 148 postcodes in the CO3 9 sector that ONS places, 12 are new since 2020 and 136 were in use before 2020. 2 groups of new postcodes are outlined: 6 new postcodes since 2020; 5 new postcodes since 2020. Places named: Prettygate, Lexden and Braiswick. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A12 CO3 9AA: before 2020CO3 9AB: before 2020CO3 9AD: before 2020CO3 9AE: before 2020CO3 9AF: before 2020CO3 9AG: before 2020CO3 9AH: before 2020CO3 9AJ: before 2020CO3 9AL: before 2020CO3 9AN: before 2020CO3 9AP: before 2020CO3 9AQ: before 2020CO3 9AR: before 2020CO3 9AS: before 2020CO3 9AT: before 2020CO3 9AU: before 2020CO3 9AW: before 2020CO3 9AX: before 2020CO3 9AY: before 2020CO3 9AZ: before 2020CO3 9BA: before 2020CO3 9BB: before 2020CO3 9BD: before 2020CO3 9BE: before 2020CO3 9BG: before 2020CO3 9BH: before 2020CO3 9BJ: before 2020CO3 9BN: before 2020CO3 9BP: before 2020CO3 9BQ: before 2020CO3 9BS: before 2020CO3 9BT: before 2020CO3 9BU: before 2020CO3 9BW: before 2020CO3 9BX: before 2020CO3 9BY: before 2020CO3 9BZ: before 2020CO3 9DA: before 2020CO3 9DB: before 2020CO3 9DD: before 2020CO3 9DE: before 2020CO3 9DF: before 2020CO3 9DG: before 2020CO3 9DH: before 2020CO3 9DJ: before 2020CO3 9DL: before 2020CO3 9DN: before 2020CO3 9DP: before 2020CO3 9DQ: before 2020CO3 9DR: before 2020CO3 9DS: before 2020CO3 9DT: before 2020CO3 9DU: before 2020CO3 9DW: before 2020CO3 9DX: before 2020CO3 9DY: before 2020CO3 9DZ: before 2020CO3 9EA: before 2020CO3 9EB: before 2020CO3 9ED: before 2020CO3 9EE: before 2020CO3 9EF: before 2020CO3 9EG: before 2020CO3 9EH: before 2020CO3 9EJ: before 2020CO3 9EL: before 2020CO3 9EN: before 2020CO3 9EP: before 2020CO3 9EQ: before 2020CO3 9ER: before 2020CO3 9ES: before 2020CO3 9ET: before 2020CO3 9EU: before 2020CO3 9EW: before 2020CO3 9EX: before 2020CO3 9EY: before 2020CO3 9EZ: before 2020CO3 9FA: before 2020CO3 9FB: before 2020CO3 9FD: before 2020CO3 9FE: before 2020CO3 9FF: before 2020CO3 9FG: before 2020CO3 9FH: before 2020CO3 9FJ: before 2020CO3 9FN: before 2020CO3 9FP: before 2020CO3 9GS: before 2020CO3 9ST: before 2020CO3 9SX: before 2020CO3 9SY: before 2020CO3 9TA: before 2020CO3 9TB: before 2020CO3 9TE: before 2020CO3 9TF: before 2020CO3 9TG: before 2020CO3 9TH: before 2020CO3 9TJ: before 2020CO3 9TL: before 2020CO3 9TN: before 2020CO3 9TP: before 2020CO3 9TQ: before 2020CO3 9TR: before 2020CO3 9TS: before 2020CO3 9TT: before 2020CO3 9TU: before 2020CO3 9TW: before 2020CO3 9TX: before 2020CO3 9TY: before 2020CO3 9TZ: before 2020CO3 9UA: before 2020CO3 9UE: before 2020CO3 9UF: before 2020CO3 9UW: before 2020CO3 9UY: before 2020CO3 9UZ: before 2020CO3 9WF: before 2020CO3 9XA: before 2020CO3 9XB: before 2020CO3 9XD: before 2020CO3 9XE: before 2020CO3 9XF: before 2020CO3 9XG: before 2020CO3 9XH: before 2020CO3 9XJ: before 2020CO3 9XL: before 2020CO3 9XN: before 2020CO3 9XP: before 2020CO3 9XQ: before 2020CO3 9XR: before 2020CO3 9XS: before 2020CO3 9XT: before 2020CO3 9XU: before 2020CO3 9XW: before 2020CO3 9XX: before 2020CO3 9XZ: before 2020CO3 9FL: new since 2020CO3 9FQ: new since 2020CO3 9FR: new since 2020CO3 9FS: new since 2020CO3 9FT: new since 2020CO3 9FU: new since 2020CO3 9FW: new since 2020CO3 9FX: new since 2020CO3 9FY: new since 2020CO3 9FZ: new since 2020CO3 9GA: new since 2020CO3 9GB: new since 2020 PrettygateLexden and Braiswick 6 new postcodes since 2020, outlined: this goes to CO3 9FX, the newest of them6 new postcodes since 20205 new postcodes since 2020, outlined: this goes to CO3 9FS, the newest of them5 new postcodes since 2020 Map of every postcode in the CO3 9 sector, by new since 2020 Of the 148 postcodes in the CO3 9 sector that ONS places, 12 are new since 2020 and 136 were in use before 2020. 2 groups of new postcodes are outlined: 6 new postcodes since 2020; 5 new postcodes since 2020. Places named: Prettygate, Lexden and Braiswick. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A12 PrettygateLexden and Braiswick 6 new postcodes since 2020, outlined: this goes to CO3 9FX, the newest of them6 new postcodes since 2020
  • New since 2020: 12
  • In use before 2020: 136
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 148 postcodes in the CO3 9 sector that ONS places, 12 are new since 2020 and 136 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. 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; when each came into use: the same directory; 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 5 newest postcodes

CO3 9FXSeptember 2024CO3 9FWNovember 2023CO3 9FYNovember 2023CO3 9FTJune 2023CO3 9FZMarch 2023

Where the new postcodes lie together

  • 6 new postcodes since 2020, outlined on the map. CO3 9FX, is the newest of them.
  • 5 new postcodes since 2020, outlined on the map. CO3 9FS, is the newest of them.

What do homes sell for in CO3 9?

Homes in CO3 9 sold for a typical £325,000 in the 12 months to August 2026, across 63 sales, down 11.8% on the 12 months before, HM Land Registry's figures show.

£325,000 typical price, the 12 months to August 2026
£368,500 12 months to August 2025
▼ down 11.8% on the 12 months before
  • Detached £455,000 24 sales
  • Semi-detached £320,000 22 sales
  • Terraced £280,000 11 sales
  • Flat or maisonette £178,250 6 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 CO3 9. 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 CO3 9

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.

CO3 9AACO3 9ABCO3 9ADCO3 9AECO3 9AFCO3 9AGCO3 9AHCO3 9AJCO3 9ALCO3 9ANCO3 9APCO3 9AQCO3 9ARCO3 9ASCO3 9ATCO3 9AUCO3 9AWCO3 9AXCO3 9AYCO3 9AZCO3 9BACO3 9BBCO3 9BDCO3 9BECO3 9BGCO3 9BHCO3 9BJCO3 9BNCO3 9BPCO3 9BQCO3 9BSCO3 9BTCO3 9BUCO3 9BWCO3 9BXCO3 9BYCO3 9BZCO3 9DACO3 9DBCO3 9DDCO3 9DECO3 9DFCO3 9DGCO3 9DHCO3 9DJCO3 9DLCO3 9DNCO3 9DPCO3 9DQCO3 9DRCO3 9DSCO3 9DTCO3 9DUCO3 9DWCO3 9DXCO3 9DYCO3 9DZCO3 9EACO3 9EBCO3 9EDCO3 9EECO3 9EFCO3 9EGCO3 9EHCO3 9EJCO3 9ELCO3 9ENCO3 9EPCO3 9EQCO3 9ERCO3 9ESCO3 9ETCO3 9EUCO3 9EWCO3 9EXCO3 9EYCO3 9EZCO3 9FACO3 9FBCO3 9FDCO3 9FECO3 9FFCO3 9FGCO3 9FHCO3 9FJCO3 9FLCO3 9FNCO3 9FPCO3 9FQCO3 9FRCO3 9FSCO3 9FTCO3 9FUCO3 9FWCO3 9FXCO3 9FYCO3 9FZCO3 9GACO3 9GBCO3 9GSCO3 9STCO3 9SXCO3 9SYCO3 9TACO3 9TBCO3 9TECO3 9TFCO3 9TGCO3 9THCO3 9TJCO3 9TLCO3 9TNCO3 9TPCO3 9TQCO3 9TRCO3 9TSCO3 9TTCO3 9TUCO3 9TWCO3 9TXCO3 9TYCO3 9TZCO3 9UACO3 9UECO3 9UFCO3 9UWCO3 9UYCO3 9UZCO3 9WFCO3 9XACO3 9XBCO3 9XDCO3 9XECO3 9XFCO3 9XGCO3 9XHCO3 9XJCO3 9XLCO3 9XNCO3 9XPCO3 9XQCO3 9XRCO3 9XSCO3 9XTCO3 9XUCO3 9XWCO3 9XXCO3 9XZ

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.