CB23 3 postcode sector in the CB23 district

CB23 3 is a sector of the CB23 district: every postcode that starts CB23 3. It has 112 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 CB23 3 sector, and which are new since 2020

Map of every postcode in the CB23 3 sector, by new since 2020 Of the 112 postcodes in the CB23 3 sector that ONS places, 4 are new since 2020 and 108 were in use before 2020. Places named: Cambourne, Papworth Everard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A1198 CB23 3AA: before 2020CB23 3AB: before 2020CB23 3AD: before 2020CB23 3AE: before 2020CB23 3AF: before 2020CB23 3AG: before 2020CB23 3AH: before 2020CB23 3AJ: before 2020CB23 3AL: before 2020CB23 3AN: before 2020CB23 3AP: before 2020CB23 3AQ: before 2020CB23 3AR: before 2020CB23 3AS: before 2020CB23 3AT: before 2020CB23 3AU: before 2020CB23 3AW: before 2020CB23 3DJ: before 2020CB23 3DL: before 2020CB23 3FA: before 2020CB23 3GJ: before 2020CB23 3GL: before 2020CB23 3GN: before 2020CB23 3GP: before 2020CB23 3GR: before 2020CB23 3GS: before 2020CB23 3GT: before 2020CB23 3GU: before 2020CB23 3GX: before 2020CB23 3GY: before 2020CB23 3HR: before 2020CB23 3LE: before 2020CB23 3LF: before 2020CB23 3LG: before 2020CB23 3LH: before 2020CB23 3NX: before 2020CB23 3NY: before 2020CB23 3NZ: before 2020CB23 3PA: before 2020CB23 3PB: before 2020CB23 3PD: before 2020CB23 3PF: before 2020CB23 3PG: before 2020CB23 3PH: before 2020CB23 3PJ: before 2020CB23 3PL: before 2020CB23 3PN: before 2020CB23 3PP: before 2020CB23 3PQ: before 2020CB23 3PR: before 2020CB23 3PS: before 2020CB23 3PT: before 2020CB23 3PW: before 2020CB23 3PX: before 2020CB23 3QA: before 2020CB23 3QH: before 2020CB23 3QJ: before 2020CB23 3QL: before 2020CB23 3QN: before 2020CB23 3QQ: before 2020CB23 3QU: before 2020CB23 3QW: before 2020CB23 3QX: before 2020CB23 3QZ: before 2020CB23 3RA: before 2020CB23 3RB: before 2020CB23 3RD: before 2020CB23 3RF: before 2020CB23 3RH: before 2020CB23 3RJ: before 2020CB23 3RL: before 2020CB23 3RN: before 2020CB23 3RP: before 2020CB23 3RR: before 2020CB23 3RS: before 2020CB23 3RT: before 2020CB23 3RU: before 2020CB23 3RW: before 2020CB23 3RX: before 2020CB23 3RY: before 2020CB23 3RZ: before 2020CB23 3TH: before 2020CB23 3UG: before 2020CB23 3UH: before 2020CB23 3UJ: before 2020CB23 3UL: before 2020CB23 3UN: before 2020CB23 3UP: before 2020CB23 3UQ: before 2020CB23 3UT: before 2020CB23 3UU: before 2020CB23 3UW: before 2020CB23 3UY: before 2020CB23 3XH: before 2020CB23 3XJ: before 2020CB23 3XL: before 2020CB23 3XN: before 2020CB23 3XP: before 2020CB23 3XQ: before 2020CB23 3XT: before 2020CB23 3XW: before 2020CB23 3XY: before 2020CB23 3AX: new since 2020CB23 3AY: new since 2020CB23 3AZ: new since 2020CB23 3BA: new since 2020 CambournePapworth Everard Map of every postcode in the CB23 3 sector, by new since 2020 Of the 112 postcodes in the CB23 3 sector that ONS places, 4 are new since 2020 and 108 were in use before 2020. Places named: Papworth Everard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A428 Papworth Everard
  • New since 2020: 4
  • In use before 2020: 108

Of the 112 postcodes in the CB23 3 sector that ONS places, 4 are new since 2020 and 108 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 4 newest postcodes

CB23 3BAMarch 2022CB23 3AZSeptember 2021CB23 3AYAugust 2021CB23 3AXDecember 2020

What do homes sell for in CB23 3?

Homes in CB23 3 sold for a typical £337,000 in the 12 months to August 2026, across 44 sales, up 3.7% on the 12 months before, HM Land Registry's figures show.

£337,000 typical price, the 12 months to August 2026
£325,000 12 months to August 2025
▲ up 3.7% on the 12 months before
  • Detached £480,000 21 sales
  • Semi-detached £323,500 6 sales
  • Terraced £280,000 9 sales
  • Flat or maisonette £189,000 8 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 CB23 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 CB23 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.

CB23 3AACB23 3ABCB23 3ADCB23 3AECB23 3AFCB23 3AGCB23 3AHCB23 3AJCB23 3ALCB23 3ANCB23 3APCB23 3AQCB23 3ARCB23 3ASCB23 3ATCB23 3AUCB23 3AWCB23 3AXCB23 3AYCB23 3AZCB23 3BACB23 3DJCB23 3DLCB23 3FACB23 3GJCB23 3GLCB23 3GNCB23 3GPCB23 3GRCB23 3GSCB23 3GTCB23 3GUCB23 3GWCB23 3GXCB23 3GYCB23 3HJCB23 3HRCB23 3HWCB23 3LECB23 3LFCB23 3LGCB23 3LHCB23 3LQCB23 3NXCB23 3NYCB23 3NZCB23 3PACB23 3PBCB23 3PDCB23 3PFCB23 3PGCB23 3PHCB23 3PJCB23 3PLCB23 3PNCB23 3PPCB23 3PQCB23 3PRCB23 3PSCB23 3PTCB23 3PWCB23 3PXCB23 3QACB23 3QHCB23 3QJCB23 3QLCB23 3QNCB23 3QQCB23 3QUCB23 3QWCB23 3QXCB23 3QZCB23 3RACB23 3RBCB23 3RDCB23 3RFCB23 3RHCB23 3RJCB23 3RLCB23 3RNCB23 3RPCB23 3RRCB23 3RSCB23 3RTCB23 3RUCB23 3RWCB23 3RXCB23 3RYCB23 3RZCB23 3THCB23 3UGCB23 3UHCB23 3UJCB23 3ULCB23 3UNCB23 3UPCB23 3UQCB23 3UTCB23 3UUCB23 3UWCB23 3UYCB23 3XHCB23 3XJCB23 3XLCB23 3XNCB23 3XPCB23 3XQCB23 3XTCB23 3XUCB23 3XWCB23 3XYCB23 3YZ

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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