CB21 4 postcode sector in the CB21 district

CB21 4 is a sector of the CB21 district: every postcode that starts CB21 4. It has 240 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 CB21 4 sector, and which are new since 2020

Map of every postcode in the CB21 4 sector, by new since 2020 Of the 240 postcodes in the CB21 4 sector that ONS places, 14 are new since 2020 and 226 were in use before 2020. Places named: Linton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A1017A11 CB21 4AA: before 2020CB21 4AB: before 2020CB21 4AD: before 2020CB21 4AE: before 2020CB21 4AF: before 2020CB21 4AG: before 2020CB21 4AL: before 2020CB21 4AN: before 2020CB21 4DG: before 2020CB21 4DJ: before 2020CB21 4DP: before 2020CB21 4DS: before 2020CB21 4DT: before 2020CB21 4DU: before 2020CB21 4DX: before 2020CB21 4DY: before 2020CB21 4DZ: before 2020CB21 4EA: before 2020CB21 4EB: before 2020CB21 4ED: before 2020CB21 4EE: before 2020CB21 4EF: before 2020CB21 4EH: before 2020CB21 4EL: before 2020CB21 4EN: before 2020CB21 4EP: before 2020CB21 4EQ: before 2020CB21 4ER: before 2020CB21 4ES: before 2020CB21 4EU: before 2020CB21 4EW: before 2020CB21 4EZ: before 2020CB21 4FD: before 2020CB21 4HA: before 2020CB21 4HB: before 2020CB21 4HD: before 2020CB21 4HF: before 2020CB21 4HH: before 2020CB21 4HL: before 2020CB21 4HQ: before 2020CB21 4HS: before 2020CB21 4HU: before 2020CB21 4HX: before 2020CB21 4HY: before 2020CB21 4JA: before 2020CB21 4JB: before 2020CB21 4JD: before 2020CB21 4JE: before 2020CB21 4JF: before 2020CB21 4JG: before 2020CB21 4JH: before 2020CB21 4JJ: before 2020CB21 4JL: before 2020CB21 4JP: before 2020CB21 4JQ: before 2020CB21 4JR: before 2020CB21 4JT: before 2020CB21 4JW: before 2020CB21 4JX: before 2020CB21 4JY: before 2020CB21 4LA: before 2020CB21 4LB: before 2020CB21 4LD: before 2020CB21 4LE: before 2020CB21 4LF: before 2020CB21 4LG: before 2020CB21 4LH: before 2020CB21 4LJ: before 2020CB21 4LL: before 2020CB21 4LN: before 2020CB21 4LQ: before 2020CB21 4LR: before 2020CB21 4LS: before 2020CB21 4LU: before 2020CB21 4LW: before 2020CB21 4LX: before 2020CB21 4LY: before 2020CB21 4LZ: before 2020CB21 4NA: before 2020CB21 4NB: before 2020CB21 4NF: before 2020CB21 4NH: before 2020CB21 4NJ: before 2020CB21 4NL: before 2020CB21 4NP: before 2020CB21 4NR: before 2020CB21 4NS: before 2020CB21 4NT: before 2020CB21 4NU: before 2020CB21 4NW: before 2020CB21 4NX: before 2020CB21 4NY: before 2020CB21 4PA: before 2020CB21 4PD: before 2020CB21 4PE: before 2020CB21 4PG: before 2020CB21 4PH: before 2020CB21 4PN: before 2020CB21 4PQ: before 2020CB21 4PR: before 2020CB21 4PS: before 2020CB21 4PT: before 2020CB21 4PW: before 2020CB21 4PY: before 2020CB21 4QA: before 2020CB21 4QB: before 2020CB21 4QD: before 2020CB21 4QE: before 2020CB21 4QF: before 2020CB21 4QG: before 2020CB21 4QH: before 2020CB21 4QN: before 2020CB21 4QP: before 2020CB21 4QQ: before 2020CB21 4QR: before 2020CB21 4QS: before 2020CB21 4QX: before 2020CB21 4QY: before 2020CB21 4QZ: before 2020CB21 4RA: before 2020CB21 4RD: before 2020CB21 4RE: before 2020CB21 4RF: before 2020CB21 4RG: before 2020CB21 4RH: before 2020CB21 4RJ: before 2020CB21 4RN: before 2020CB21 4RP: before 2020CB21 4RQ: before 2020CB21 4RR: before 2020CB21 4RS: before 2020CB21 4RT: before 2020CB21 4RW: before 2020CB21 4RX: before 2020CB21 4RY: before 2020CB21 4RZ: before 2020CB21 4SA: before 2020CB21 4SB: before 2020CB21 4SD: before 2020CB21 4SF: before 2020CB21 4SH: before 2020CB21 4SR: before 2020CB21 4ST: before 2020CB21 4SX: before 2020CB21 4SZ: before 2020CB21 4TA: before 2020CB21 4TB: before 2020CB21 4TD: before 2020CB21 4TE: before 2020CB21 4TF: before 2020CB21 4TG: before 2020CB21 4TH: before 2020CB21 4TJ: before 2020CB21 4TL: before 2020CB21 4TN: before 2020CB21 4TP: before 2020CB21 4TR: before 2020CB21 4TT: before 2020CB21 4TW: before 2020CB21 4UA: before 2020CB21 4UB: before 2020CB21 4UD: before 2020CB21 4UF: before 2020CB21 4UJ: before 2020CB21 4XA: before 2020CB21 4XB: before 2020CB21 4XD: before 2020CB21 4XF: before 2020CB21 4XH: before 2020CB21 4XN: before 2020CB21 4XQ: before 2020CB21 4YL: before 2020CB21 4YP: before 2020CB21 4YS: before 2020CB21 4YT: before 2020CB21 4PL: before 2020CB21 4AQ: before 2020CB21 4AR: new since 2020CB21 4AS: new since 2020CB21 4AT: new since 2020CB21 4AU: new since 2020CB21 4AW: new since 2020CB21 4AX: new since 2020CB21 4AY: new since 2020CB21 4AZ: new since 2020CB21 4BA: new since 2020CB21 4BB: new since 2020CB21 4BE: new since 2020CB21 4BF: new since 2020CB21 4BG: new since 2020CB21 4UX: new since 2020 Linton Map of every postcode in the CB21 4 sector, by new since 2020 Of the 240 postcodes in the CB21 4 sector that ONS places, 14 are new since 2020 and 226 were in use before 2020. Places named: Linton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. Linton
  • New since 2020: 14
  • In use before 2020: 226

Of the 240 postcodes in the CB21 4 sector that ONS places, 14 are new since 2020 and 226 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.

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

CB21 4BGSeptember 2024CB21 4BFMarch 2024CB21 4AUOctober 2023CB21 4BEMarch 2023CB21 4AZJuly 2022

What do homes sell for in CB21 4?

Homes in CB21 4 sold for a typical £422,500 in the 12 months to August 2026, across 98 sales, up 0.8% on the 12 months before, HM Land Registry's figures show.

£422,500 typical price, the 12 months to August 2026
£419,000 12 months to August 2025
▲ up 0.8% on the 12 months before
  • Detached £560,000 45 sales
  • Semi-detached £400,000 35 sales
  • Terraced £350,000 16 sales
  • Flat or maisonette 2 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 CB21 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 CB21 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.

CB21 4AACB21 4ABCB21 4ADCB21 4AECB21 4AFCB21 4AGCB21 4AHCB21 4ALCB21 4ANCB21 4APCB21 4AQCB21 4ARCB21 4ASCB21 4ATCB21 4AUCB21 4AWCB21 4AXCB21 4AYCB21 4AZCB21 4BACB21 4BBCB21 4BECB21 4BFCB21 4BGCB21 4DGCB21 4DJCB21 4DPCB21 4DSCB21 4DTCB21 4DUCB21 4DWCB21 4DXCB21 4DYCB21 4DZCB21 4EACB21 4EBCB21 4EDCB21 4EECB21 4EFCB21 4EGCB21 4EHCB21 4EJCB21 4ELCB21 4ENCB21 4EPCB21 4EQCB21 4ERCB21 4ESCB21 4EUCB21 4EWCB21 4EZCB21 4FDCB21 4HACB21 4HBCB21 4HDCB21 4HECB21 4HFCB21 4HGCB21 4HHCB21 4HJCB21 4HLCB21 4HQCB21 4HSCB21 4HTCB21 4HUCB21 4HXCB21 4HYCB21 4JACB21 4JBCB21 4JDCB21 4JECB21 4JFCB21 4JGCB21 4JHCB21 4JJCB21 4JLCB21 4JNCB21 4JPCB21 4JQCB21 4JRCB21 4JSCB21 4JTCB21 4JWCB21 4JXCB21 4JYCB21 4JZCB21 4LACB21 4LBCB21 4LDCB21 4LECB21 4LFCB21 4LGCB21 4LHCB21 4LJCB21 4LLCB21 4LNCB21 4LPCB21 4LQCB21 4LRCB21 4LSCB21 4LTCB21 4LUCB21 4LWCB21 4LXCB21 4LYCB21 4LZCB21 4NACB21 4NBCB21 4NDCB21 4NECB21 4NFCB21 4NGCB21 4NHCB21 4NJCB21 4NLCB21 4NNCB21 4NPCB21 4NQCB21 4NRCB21 4NSCB21 4NTCB21 4NUCB21 4NWCB21 4NXCB21 4NYCB21 4NZCB21 4PACB21 4PBCB21 4PDCB21 4PECB21 4PFCB21 4PGCB21 4PHCB21 4PLCB21 4PNCB21 4PPCB21 4PQCB21 4PRCB21 4PSCB21 4PTCB21 4PWCB21 4PYCB21 4QACB21 4QBCB21 4QDCB21 4QECB21 4QFCB21 4QGCB21 4QHCB21 4QNCB21 4QPCB21 4QQCB21 4QRCB21 4QSCB21 4QTCB21 4QUCB21 4QXCB21 4QYCB21 4QZCB21 4RACB21 4RBCB21 4RDCB21 4RECB21 4RFCB21 4RGCB21 4RHCB21 4RJCB21 4RNCB21 4RPCB21 4RQCB21 4RRCB21 4RSCB21 4RTCB21 4RUCB21 4RWCB21 4RXCB21 4RYCB21 4RZCB21 4SACB21 4SBCB21 4SDCB21 4SFCB21 4SHCB21 4SJCB21 4SNCB21 4SPCB21 4SRCB21 4SSCB21 4STCB21 4SUCB21 4SWCB21 4SXCB21 4SYCB21 4SZCB21 4TACB21 4TBCB21 4TDCB21 4TECB21 4TFCB21 4TGCB21 4THCB21 4TJCB21 4TLCB21 4TNCB21 4TPCB21 4TQCB21 4TRCB21 4TTCB21 4TWCB21 4UACB21 4UBCB21 4UDCB21 4UECB21 4UFCB21 4UGCB21 4UHCB21 4UJCB21 4UQCB21 4URCB21 4UWCB21 4UXCB21 4UYCB21 4XACB21 4XBCB21 4XDCB21 4XECB21 4XFCB21 4XGCB21 4XHCB21 4XJCB21 4XNCB21 4XQCB21 4XXCB21 4YLCB21 4YNCB21 4YPCB21 4YRCB21 4YSCB21 4YTCB21 4YW

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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