CO3 4 postcode sector in the CO3 district

CO3 4 is a sector of the CO3 district: every postcode that starts CO3 4. It has 182 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 CO3 4 sector, and which are new since 2020

Map of every postcode in the CO3 4 sector, by new since 2020 Of the 182 postcodes in the CO3 4 sector that ONS places, 182 were in use before 2020. Places named: Prettygate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A12A133 CO3 4AA: before 2020CO3 4AB: before 2020CO3 4AD: before 2020CO3 4AE: before 2020CO3 4AF: before 2020CO3 4AG: before 2020CO3 4AH: before 2020CO3 4AJ: before 2020CO3 4AL: before 2020CO3 4AN: before 2020CO3 4AR: before 2020CO3 4AS: before 2020CO3 4AU: before 2020CO3 4AZ: before 2020CO3 4BH: before 2020CO3 4BJ: before 2020CO3 4BL: before 2020CO3 4BN: before 2020CO3 4BP: before 2020CO3 4BS: before 2020CO3 4BT: before 2020CO3 4BU: before 2020CO3 4BZ: before 2020CO3 4DA: before 2020CO3 4DB: before 2020CO3 4DD: before 2020CO3 4DE: before 2020CO3 4DF: before 2020CO3 4DG: before 2020CO3 4DH: before 2020CO3 4DJ: before 2020CO3 4DL: before 2020CO3 4DP: before 2020CO3 4DQ: before 2020CO3 4DT: before 2020CO3 4DU: before 2020CO3 4DX: before 2020CO3 4DZ: before 2020CO3 4EA: before 2020CO3 4ED: before 2020CO3 4EE: before 2020CO3 4EF: before 2020CO3 4EG: before 2020CO3 4EH: before 2020CO3 4EJ: before 2020CO3 4EL: before 2020CO3 4EN: before 2020CO3 4EP: before 2020CO3 4EQ: before 2020CO3 4ER: before 2020CO3 4EW: before 2020CO3 4HA: before 2020CO3 4HB: before 2020CO3 4HD: before 2020CO3 4HE: before 2020CO3 4HF: before 2020CO3 4HG: before 2020CO3 4HH: before 2020CO3 4HJ: before 2020CO3 4HL: before 2020CO3 4HN: before 2020CO3 4HP: before 2020CO3 4HQ: before 2020CO3 4HR: before 2020CO3 4HU: before 2020CO3 4HW: before 2020CO3 4HX: before 2020CO3 4HZ: before 2020CO3 4JA: before 2020CO3 4JB: before 2020CO3 4JD: before 2020CO3 4JE: before 2020CO3 4JG: before 2020CO3 4JH: before 2020CO3 4JJ: before 2020CO3 4JL: before 2020CO3 4JN: before 2020CO3 4JP: before 2020CO3 4JR: before 2020CO3 4JX: before 2020CO3 4JY: before 2020CO3 4JZ: before 2020CO3 4LA: before 2020CO3 4LB: before 2020CO3 4LD: before 2020CO3 4LE: before 2020CO3 4LF: before 2020CO3 4LG: before 2020CO3 4LH: before 2020CO3 4LJ: before 2020CO3 4LL: before 2020CO3 4LN: before 2020CO3 4LP: before 2020CO3 4LR: before 2020CO3 4LS: before 2020CO3 4LT: before 2020CO3 4LU: before 2020CO3 4LX: before 2020CO3 4LY: before 2020CO3 4NE: before 2020CO3 4NF: before 2020CO3 4NG: before 2020CO3 4NH: before 2020CO3 4NJ: before 2020CO3 4NL: before 2020CO3 4NN: before 2020CO3 4NP: before 2020CO3 4NQ: before 2020CO3 4NR: before 2020CO3 4NS: before 2020CO3 4NT: before 2020CO3 4NU: before 2020CO3 4NW: before 2020CO3 4NX: before 2020CO3 4NY: before 2020CO3 4NZ: before 2020CO3 4PA: before 2020CO3 4PB: before 2020CO3 4PD: before 2020CO3 4PE: before 2020CO3 4PG: before 2020CO3 4PH: before 2020CO3 4PJ: before 2020CO3 4PQ: before 2020CO3 4PS: before 2020CO3 4PZ: before 2020CO3 4QD: before 2020CO3 4QE: before 2020CO3 4QF: before 2020CO3 4QG: before 2020CO3 4QH: before 2020CO3 4QJ: before 2020CO3 4QL: before 2020CO3 4QN: before 2020CO3 4QP: before 2020CO3 4QQ: before 2020CO3 4QR: before 2020CO3 4QS: before 2020CO3 4QT: before 2020CO3 4QW: before 2020CO3 4QX: before 2020CO3 4RA: before 2020CO3 4RB: before 2020CO3 4RD: before 2020CO3 4RE: before 2020CO3 4RF: before 2020CO3 4RG: before 2020CO3 4RH: before 2020CO3 4RJ: before 2020CO3 4RL: before 2020CO3 4RN: before 2020CO3 4RP: before 2020CO3 4RQ: before 2020CO3 4RT: before 2020CO3 4RU: before 2020CO3 4RW: before 2020CO3 4RX: before 2020CO3 4RY: before 2020CO3 4RZ: before 2020CO3 4SA: before 2020CO3 4SB: before 2020CO3 4SD: before 2020CO3 4SE: before 2020CO3 4SF: before 2020CO3 4SG: before 2020CO3 4SH: before 2020CO3 4SJ: before 2020CO3 4SL: before 2020CO3 4SN: before 2020CO3 4SP: before 2020CO3 4SQ: before 2020CO3 4SR: before 2020CO3 4SS: before 2020CO3 4ST: before 2020CO3 4SU: before 2020CO3 4SW: before 2020CO3 4SX: before 2020CO3 4SZ: before 2020CO3 4TA: before 2020CO3 4TB: before 2020CO3 4TD: before 2020 Prettygate Map of every postcode in the CO3 4 sector, by new since 2020 Of the 182 postcodes in the CO3 4 sector that ONS places, 182 were in use before 2020. Places named: Prettygate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A12A133 Prettygate
  • New since 2020: 0
  • In use before 2020: 182

Of the 182 postcodes in the CO3 4 sector that ONS places, 182 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. 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; 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

What do homes sell for in CO3 4?

Homes in CO3 4 sold for a typical £389,250 in the 12 months to August 2026, across 74 sales, down 0.3% on the 12 months before, HM Land Registry's figures show.

£389,250 typical price, the 12 months to August 2026
£390,250 12 months to August 2025
▼ down 0.3% on the 12 months before
  • Detached £464,500 38 sales
  • Semi-detached £350,000 29 sales
  • Terraced 4 sales, too few to price
  • 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 CO3 4. 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 4

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 4AACO3 4ABCO3 4ADCO3 4AECO3 4AFCO3 4AGCO3 4AHCO3 4AJCO3 4ALCO3 4ANCO3 4ARCO3 4ASCO3 4AUCO3 4AZCO3 4BHCO3 4BJCO3 4BLCO3 4BNCO3 4BPCO3 4BSCO3 4BTCO3 4BUCO3 4BZCO3 4DACO3 4DBCO3 4DDCO3 4DECO3 4DFCO3 4DGCO3 4DHCO3 4DJCO3 4DLCO3 4DPCO3 4DQCO3 4DTCO3 4DUCO3 4DXCO3 4DZCO3 4EACO3 4EDCO3 4EECO3 4EFCO3 4EGCO3 4EHCO3 4EJCO3 4ELCO3 4ENCO3 4EPCO3 4EQCO3 4ERCO3 4EWCO3 4HACO3 4HBCO3 4HDCO3 4HECO3 4HFCO3 4HGCO3 4HHCO3 4HJCO3 4HLCO3 4HNCO3 4HPCO3 4HQCO3 4HRCO3 4HUCO3 4HWCO3 4HXCO3 4HZCO3 4JACO3 4JBCO3 4JDCO3 4JECO3 4JGCO3 4JHCO3 4JJCO3 4JLCO3 4JNCO3 4JPCO3 4JRCO3 4JXCO3 4JYCO3 4JZCO3 4LACO3 4LBCO3 4LDCO3 4LECO3 4LFCO3 4LGCO3 4LHCO3 4LJCO3 4LLCO3 4LNCO3 4LPCO3 4LRCO3 4LSCO3 4LTCO3 4LUCO3 4LXCO3 4LYCO3 4NECO3 4NFCO3 4NGCO3 4NHCO3 4NJCO3 4NLCO3 4NNCO3 4NPCO3 4NQCO3 4NRCO3 4NSCO3 4NTCO3 4NUCO3 4NWCO3 4NXCO3 4NYCO3 4NZCO3 4PACO3 4PBCO3 4PDCO3 4PECO3 4PGCO3 4PHCO3 4PJCO3 4PQCO3 4PSCO3 4PZCO3 4QACO3 4QDCO3 4QECO3 4QFCO3 4QGCO3 4QHCO3 4QJCO3 4QLCO3 4QNCO3 4QPCO3 4QQCO3 4QRCO3 4QSCO3 4QTCO3 4QWCO3 4QXCO3 4RACO3 4RBCO3 4RDCO3 4RECO3 4RFCO3 4RGCO3 4RHCO3 4RJCO3 4RLCO3 4RNCO3 4RPCO3 4RQCO3 4RTCO3 4RUCO3 4RWCO3 4RXCO3 4RYCO3 4RZCO3 4SACO3 4SBCO3 4SDCO3 4SECO3 4SFCO3 4SGCO3 4SHCO3 4SJCO3 4SLCO3 4SNCO3 4SPCO3 4SQCO3 4SRCO3 4SSCO3 4STCO3 4SUCO3 4SWCO3 4SXCO3 4SZCO3 4TACO3 4TBCO3 4TD

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.